def plot_funnel(pi_true, delta_str):
delta = float(delta_str)
n = pl.exp(mc.rnormal(10, 2**-2, size=10000))
p = pi_true*pl.ones_like(n)
# old way:
#delta = delta * p * n
nb = rate_model.neg_binom_model('funnel', pi_true, delta, p, n)
r = nb['p_pred'].value
pl.vlines([pi_true], .1*n.min(), 10*n.max(),
linewidth=5, linestyle='--', color='black', zorder=10)
pl.plot(r, n, 'o', color=colors[0], ms=10,
mew=0, alpha=.25)
pl.semilogy(schiz['r'], schiz['n'], 's', mew=1, mec='white', ms=15,
color=colors[1],
label='Observed Values')
pl.xlabel('Rate (Per 1000 PY)', size=32)
pl.ylabel('Study Size (PY)', size=32)
pl.axis([-.0001, .0101, 50., 15000000])
pl.title(r'$\delta = %s$'%delta_str, size=48)
pl.xticks([0, .005, .01], [0, 5, 10], size=30)
pl.yticks(size=30)
def simulation(recipe, curvNo, noIndicators):
worker = recipe.getWorker("ThicknessModeller")
simulation = worker.plugCalcAbsorption.getResult()
worker = recipe.getWorker("AddColumn")
table = worker.plugCompute.getResult(
subscriber=TextSubscriber("Add Column"))
thickness = table[u"thickness"]
index = curvNo2Index(table[u"pixel"], curvNo)
worker = recipe.getWorker("MRA Exp")
minimaPos = worker.plugMra.getResult()[r'\lambda_{min}'].inUnitsOf(
simulation.dimensions[1])
maximaPos = worker.plugMra.getResult()[r'\lambda_{max}'].inUnitsOf(
simulation.dimensions[1])
visualizer = ImageVisualizer(simulation, False)
ordinate = simulation.dimensions[1].data
if not noIndicators:
pylab.hlines(thickness.data[index],
ordinate.min(),
ordinate.max(),
label="$%s$" % minimaPos.shortname)
abscissae = simulation.dimensions[0].data
pylab.vlines(minimaPos.data[:, index],
abscissae.min(),
abscissae.max(),
label="$%s$" % minimaPos.shortname)
pylab.vlines(maximaPos.data[:, index],
abscissae.min(),
abscissae.max(),
label="$%s$" % maximaPos.shortname)
def plotT(x, y, plt):
plt.scatter(x, y)
plt.vlines(x, [0], y)
plt.ylim((min(y)-abs(min(y)*0.1)),max(y)+max(y)*0.1)
plt.hlines(0, x[0]-1, x[x.shape[0]-1]+1)
plt.xlim(x[0]-1,x[x.shape[0]-1]+1)
plt.grid()
def plot_x_and_psd_with_estimated_omega(x, sample_step=1, dt=1.0):
y = x[::sample_step]
F = freq(x, sample_step, dt)
T = 1.0 / F
pylab.clf()
# plot PSD
pylab.subplot(211)
pylab.psd(y, Fs=1.0 / sample_step / dt)
ylim = pylab.ylim()
pylab.vlines(F, *ylim)
pylab.ylim(ylim)
# plot time series
pylab.subplot(223)
pylab.plot(x)
# plot time series (three cycles)
n = int(T / dt) * 3
m = n // sample_step
pylab.subplot(224)
pylab.plot(x[:n])
pylab.plot(numpy.arange(0, n, sample_step)[:m], y[:m], 'o')
pylab.suptitle('F = %s' % F)
def __init__(self, n, handicap=0):
self.welcome()
self.n = n
self.handicap = handicap
self.board = [np.zeros((self.n, self.n))]
self.f, self.ax = pylab.subplots(figsize=(8, 9))
self.ax._label = 'main'
pylab.subplots_adjust(bottom=0.2)
self.f.set_facecolor('tan')
pylab.axes(axisbg='tan')
#pylab.grid(ls='-', zorder=0)
pylab.vlines(np.arange(self.n - 1), 0, self.n - 1, zorder=-1)
pylab.hlines(np.arange(self.n - 1), 0, self.n - 1, zorder=-1)
pylab.xticks(np.arange(self.n))
pylab.yticks(np.arange(self.n))
pylab.xlim(-0.5, self.n - 0.5)
pylab.ylim(-0.5, self.n - 0.5)
self.turn = 0
self.marker = 1 # 1 = black, -1 = white
self.score = [[0, 0]] # Captured stones (negative is bad)
self.territory = [0, 0] # Enclosed territory (positive is good)
def plot(self):
import pylab as pl
ax = pl.gca()
pl.hlines(self.tops,
self.left,
self.right,
linestyles='dashed',
colors='blue')
pl.hlines(self.tops + self.heights,
self.left,
self.right,
linestyles='dashed',
colors='green')
pl.vlines(self.lefts,
self.top,
self.bottom,
linestyles='dashed',
colors='blue')
pl.vlines(self.lefts + self.widths,
self.top,
self.bottom,
linestyles='dashed',
colors='green')
for box in self.rectangles:
t, l, b, r = box
patch = pl.Rectangle((l, t),
r - l,
b - t,
color='blue',
fill=True,
alpha=0.5)
ax.add_patch(patch)
pass
def plot_profile(experiment, step, out_file):
from pylab import figure, subplot, hold, plot, xlabel, ylabel, text, title, axis, vlines, savefig
if out_file is None:
out_file = "MISMIP_%s_A%d.pdf" % (experiment, step)
xg = x_g(experiment, step)
x = np.linspace(0, L(), N(2) + 1)
thk = thickness(experiment, step, x)
x_grounded, thk_grounded = x[x < xg], thk[x < xg]
x_floating, thk_floating = x[x >= xg], thk[x >= xg]
figure(1)
ax = subplot(111)
hold(True)
plot(x / 1e3, np.zeros_like(x), ls='dotted', color='red')
plot(x / 1e3, -b(experiment, x), color='black')
plot(x / 1e3, np.r_[thk_grounded - b(experiment, x_grounded),
thk_floating * (1 - rho_i() / rho_w())],
color='blue')
plot(x_floating / 1e3, -thk_floating * (rho_i() / rho_w()), color='blue')
_, _, ymin, ymax = axis(xmin=0, xmax=x.max() / 1e3)
vlines(xg / 1e3, ymin, ymax, linestyles='dashed', color='black')
xlabel('distance from the summit, km')
ylabel('elevation, m')
text(0.6, 0.9, "$x_g$ (theory) = %4.0f km" % (xg / 1e3),
color='black', transform=ax.transAxes)
title("MISMIP experiment %s, step %d" % (experiment, step))
savefig(out_file)
def check_interface(series: Series, debug=False) -> (bool, list):
interval = series.index[1] - series.index[0]
result, peaks = Ptre.test_data(series, interval, debug=debug)
if debug:
try:
import pylab
except:
print('matplotlib not found, cannot debug')
else:
t = np.array(series.index) - series.index[0]
pylab.plot(t, series)
if result in [Ptre._PATTERN_A, Ptre._PATTERN_D]:
pylab.vlines([p[0] for p in peaks], 0, 1, colors='red')
pylab.show()
for i in range(0, len(peaks)):
if peaks[i][1] < 0:
state = 'INCREASING'
else:
state = 'DECREASING'
print(state, peaks[i][0])
if result == Ptre._PATTERN_A:
return True, peaks
else:
return False, peaks
def plot_profile(experiment, step, out_file):
from pylab import figure, subplot, hold, plot, xlabel, ylabel, text, title, axis, vlines, savefig
if out_file is None:
out_file = "MISMIP_%s_A%d.pdf" % (experiment, step)
xg = x_g(experiment, step)
x = np.linspace(0, L(), N(2) + 1)
thk = thickness(experiment, step, x)
x_grounded, thk_grounded = x[x < xg], thk[x < xg]
x_floating, thk_floating = x[x >= xg], thk[x >= xg]
figure(1)
ax = subplot(111)
hold(True)
plot(x / 1e3, np.zeros_like(x), ls='dotted', color='red')
plot(x / 1e3, -b(experiment, x), color='black')
plot(x / 1e3,
np.r_[thk_grounded - b(experiment, x_grounded),
thk_floating * (1 - rho_i() / rho_w())],
color='blue')
plot(x_floating / 1e3, -thk_floating * (rho_i() / rho_w()), color='blue')
_, _, ymin, ymax = axis(xmin=0, xmax=x.max() / 1e3)
vlines(xg / 1e3, ymin, ymax, linestyles='dashed', color='black')
xlabel('distance from the summit, km')
ylabel('elevation, m')
text(0.6,
0.9,
"$x_g$ (theory) = %4.0f km" % (xg / 1e3),
color='black',
transform=ax.transAxes)
title("MISMIP experiment %s, step %d" % (experiment, step))
savefig(out_file)
def plot_funnel(pi_true, delta_str):
delta = float(delta_str)
n = pl.exp(mc.rnormal(10, 2**-2, size=10000))
p = pi_true * pl.ones_like(n)
# old way:
#delta = delta * p * n
nb = rate_model.neg_binom_model('funnel', pi_true, delta, p, n)
r = nb['p_pred'].value
pl.vlines([pi_true],
.1 * n.min(),
10 * n.max(),
linewidth=5,
linestyle='--',
color='black',
zorder=10)
pl.plot(r, n, 'o', color=colors[0], ms=10, mew=0, alpha=.25)
pl.semilogy(schiz['r'],
schiz['n'],
's',
mew=1,
mec='white',
ms=15,
color=colors[1],
label='Observed Values')
pl.xlabel('Rate (Per 1000 PY)', size=32)
pl.ylabel('Study Size (PY)', size=32)
pl.axis([-.0001, .0101, 50., 15000000])
pl.title(r'$\delta = %s$' % delta_str, size=48)
pl.xticks([0, .005, .01], [0, 5, 10], size=30)
pl.yticks(size=30)
def OnCalcShift(self, event):
if (len(self.PSFLocs) > 0):
import pylab
x,y,z = self.PSFLocs[0]
z_ = numpy.arange(self.image.data.shape[2])*self.image.mdh['voxelsize.z']*1.e3
z_ -= z_.mean()
pylab.figure()
p_0 = 1.0*self.image.data[x,y,:,0].squeeze()
p_0 -= p_0.min()
p_0 /= p_0.max()
#print (p_0*z_).sum()/p_0.sum()
p0b = numpy.maximum(p_0 - 0.5, 0)
z0 = (p0b*z_).sum()/p0b.sum()
p_1 = 1.0*self.image.data[x,y,:,1].squeeze()
p_1 -= p_1.min()
p_1 /= p_1.max()
p1b = numpy.maximum(p_1 - 0.5, 0)
z1 = (p1b*z_).sum()/p1b.sum()
dz = z1 - z0
print(('z0: %f, z1: %f, dz: %f' % (z0,z1,dz)))
pylab.plot(z_, p_0)
pylab.plot(z_, p_1)
pylab.vlines(z0, 0, 1)
pylab.vlines(z1, 0, 1)
pylab.figtext(.7,.7, 'dz = %3.2f' % dz)
def plot_matrices(cov, prec, title, subject_n=0):
"""Plot covariance and precision matrices, for a given processing. """
# Put zeros on the diagonal, for graph clarity.
size = prec.shape[0]
prec[range(size), range(size)] = 0
span = max(abs(prec.min()), abs(prec.max()))
title = "{0:d} {1}".format(subject_n, title)
# Display covariance matrix
pl.figure()
pl.imshow(cov,
interpolation="nearest",
vmin=-1,
vmax=1,
cmap=pl.cm.get_cmap("bwr"))
pl.hlines([(pl.ylim()[0] + pl.ylim()[1]) / 2], pl.xlim()[0], pl.xlim()[1])
pl.vlines([(pl.xlim()[0] + pl.xlim()[1]) / 2], pl.ylim()[0], pl.ylim()[1])
pl.colorbar()
pl.title(title + " / covariance")
# Display precision matrix
pl.figure()
pl.imshow(prec,
interpolation="nearest",
vmin=-span,
vmax=span,
cmap=pl.cm.get_cmap("bwr"))
pl.hlines([(pl.ylim()[0] + pl.ylim()[1]) / 2], pl.xlim()[0], pl.xlim()[1])
pl.vlines([(pl.xlim()[0] + pl.xlim()[1]) / 2], pl.ylim()[0], pl.ylim()[1])
pl.colorbar()
pl.title(title + " / precision")
def view_results(self, states_object, burnin=1):
# plotting params
nbins = 20
alpha = 0.5
label_size = 8
linewidth = 3
linecolor = "r"
# extract from states
thetas = states_object.get_thetas()[burnin:, :]
stats = states_object.get_statistics()[burnin:, :]
nsims = states_object.get_sim_calls()[burnin:]
f = pp.figure()
for i in range(6):
sp = f.add_subplot(2, 10, i + 1)
pp.hist(thetas[:, i], 10, normed=True, alpha=0.5)
pp.title(self.theta_names[i])
set_label_fonsize(sp, 6)
set_tick_fonsize(sp, 6)
set_title_fonsize(sp, 8)
for i in range(10):
sp = f.add_subplot(2, 10, 10 + i + 1)
pp.hist(stats[:, i], 10, normed=True, alpha=0.5)
ax = pp.axis()
pp.vlines(self.obs_statistics[i],
0,
ax[3],
color="r",
linewidths=2)
# if self.obs_statistics[i] < ax[0]:
# ax[0] = self.obs_statistics[i]
# elif self.obs_statistics[i] > ax[1]:
# ax[1] = self.obs_statistics[i]
pp.axis([
min(ax[0], self.obs_statistics[i]),
max(ax[1], self.obs_statistics[i]), ax[2], ax[3]
])
pp.title(self.stats_names[i])
set_label_fonsize(sp, 6)
set_tick_fonsize(sp, 6)
set_title_fonsize(sp, 8)
pp.suptitle("top: posterior, bottom: post pred with true")
f = pp.figure()
I = np.random.permutation(len(thetas))
for i in range(16):
sp = pp.subplot(4, 4, i + 1)
theta = thetas[I[i], :]
test_obs = self.simulation_function(theta)
test_stats = self.statistics_function(test_obs)
err = np.sum(np.abs(self.obs_statistics - test_stats))
pp.title("%0.2f" % (err))
pp.plot(self.observations / 1000.0)
pp.plot(test_obs / 1000.0)
pp.axis("off")
set_label_fonsize(sp, 6)
set_tick_fonsize(sp, 6)
set_title_fonsize(sp, 8)
pp.suptitle("time-series from random draws of posterior")
def PlotTemp2(md_list, th=2):
""" Second function (and main) to analyze the results of the activation threshold"""
hold = {} #empty dictionary
for md in md_list:
hold[md.experiment] = [[0], [0]] + color[md.experiment]
for md in md_list:
p = md.CalcProb(th=th)
hold[md.experiment][0] += [md.data_other['Time']]
hold[md.experiment][1] += [p]
### This 'plot' is only to get the label right for room temp.
plot(0, 0, '-', marker='.', markersize=1, color='blue', linewidth=2)
for experiment in hold:
plot( hold[experiment][0], hold[experiment][1], '-',\
marker=hold[experiment][3], markersize=5,\
color=hold[experiment][2], linewidth=2, label=hold[experiment][4])
ylabel(r"$P( E <= %d | Y)$" % (th))
xlabel(r"$min$")
hlines(0, -1, 91)
vlines(0, -0.1, 1.1)
xlim((-1, 91))
ylim((-0.1, 1.1))
axis([-1, 20, -0.1, 1.1])
legend()
return hold
def decoderDiagnostics(waveform=None):
if waveform is None:
waveform = badPacketWaveforms[-1]
Fs_eff = Fs / upsample_factor
ac = wifi.autocorrelate(waveform)
ac_t = np.arange(ac.size) * 16 / Fs_eff
synch = wifi.synchronize(waveform) / float(Fs_eff)
pl.figure(2)
pl.clf()
pl.subplot(211)
pl.specgram(waveform,
NFFT=64,
noverlap=64 - 1,
Fc=Fc,
Fs=Fs_eff,
interpolation='nearest',
window=lambda x: x)
pl.xlim(0, waveform.size / Fs_eff)
yl = pl.ylim()
pl.vlines(synch, *yl)
pl.ylim(*yl)
pl.subplot(212)
pl.plot(ac_t, ac)
yl = pl.ylim()
pl.vlines(synch, *yl)
pl.ylim(*yl)
pl.xlim(0, waveform.size / Fs_eff)
def _plot_optimization (self, x_pars, y_pars):
def _gaussian(x, A0, A, x0, sigma):
return np.abs(A0) + np.abs(A)*np.exp(-(x-x0)**2 / (2*sigma**2))
print ('Optimization result: x0 = ', self._xm, ' y0 = ', self._ym)
Vx = np.linspace (self.xPositions[0], self.xPositions[-1], 1000)
x_fit = _gaussian (x=Vx, A0=x_pars[0], A=x_pars[1], x0=x_pars[2], sigma=x_pars[3] )
Vy = np.linspace (self.yPositions[0], self.yPositions[-1], 1000)
y_fit = _gaussian (x=Vy, A0=y_pars[0], A=y_pars[1], x0=y_pars[2], sigma=y_pars[3] )
pl.figure (figsize = (8,5))
pl.subplot(121)
pl.plot (self.xPositions, self._xCounts, color='RoyalBlue', marker='o')
pl.plot (Vx, x_fit, color='crimson')
pl.vlines (self._xm, 0.9*min (self._xCounts), 1.1*max(self._xCounts), color='crimson', linewidth=2, linestyles='--')
pl.xlabel ('voltage (V)', fontsize= 15)
pl.ylabel ('counts', fontsize=15)
pl.subplot(122)
pl.plot (self.yPositions, self._yCounts, color='RoyalBlue', marker='o')
pl.plot (Vy, y_fit, color='crimson')
pl.vlines (self._ym, 0.9*min (self._xCounts), 1.1*max(self._xCounts), color='crimson', linewidth=2, linestyles='--')
pl.xlabel ('voltage (V)', fontsize= 15)
pl.show()
def noisyAbsorption(recipe, curvNo, noIndicators):
worker = recipe.getWorker("Slicing")
noisyAbsorption = worker.plugExtract.getResult()
worker = recipe.getWorker("ThicknessModeller")[0]
simulation = worker.plugCalcAbsorption.getResult()
worker = recipe.getWorker("MRA Exp")
minimaPos = worker.plugMra.getResult()[r'\lambda_{min}'].inUnitsOf(simulation.dimensions[1])
maximaPos = worker.plugMra.getResult()[r'\lambda_{max}'].inUnitsOf(simulation.dimensions[1])
worker = recipe.getWorker("AddColumn")
table = worker.plugCompute.getResult(subscriber=TextSubscriber("Add Column"))
xPos = table[u"x-position"]
yPos = table[u"y-position"]
thickness = table[u"thickness"]
index = curvNo2Index(table[u"pixel"], curvNo)
result = "$%s_{%s}$(%s %s,%s %s)=%s %s" % (thickness[index].shortname,curvNo,
xPos.data[index],xPos.unit.unit.name(),
yPos.data[index],yPos.unit.unit.name(),
thickness.data[index],
thickness.unit.unit.name())
pylab.plot(noisyAbsorption.dimensions[1].inUnitsOf(simulation.dimensions[1]).data,
noisyAbsorption.data[index,:],label="$%s$"%noisyAbsorption.shortname)
if not noIndicators:
pylab.vlines(minimaPos.data[:,index],0.1,1.0,
label ="$%s$"%minimaPos.shortname)
pylab.vlines(maximaPos.data[:,index],0.1,1.0,
label ="$%s$"%maximaPos.shortname)
pylab.title(result)
pylab.xlabel(simulation.dimensions[1].label)
pylab.ylabel(simulation.label)
def plotVowelProportionHistogram(wordList, numBins=15):
"""
Plots a histogram of the proportion of vowels in each word in wordList
using the specified number of bins in numBins
"""
vowels = 'aeiou'
vowelProportions = []
for word in wordList:
vowelsCount = 0.0
for letter in word:
if letter in vowels:
vowelsCount += 1
vowelProportions.append(vowelsCount / len(word))
meanProportions = sum(vowelProportions) / len(vowelProportions)
print "Mean proportions: ", meanProportions
pylab.figure(1)
pylab.hist(vowelProportions, bins=15)
pylab.title("Histogram of Proportions of Vowels in Each Word")
pylab.ylabel("Count of Words in Each Bucket")
pylab.xlabel("Proportions of Vowels in Each Word")
ymin, ymax = pylab.ylim()
ymid = (ymax - ymin) / 2
pylab.text(0.03, ymid, "Mean = {0}".format(
str(round(meanProportions, 4))))
pylab.vlines(0.5, 0, ymax)
pylab.text(0.51, ymax - 0.01 * ymax, "0.5", verticalalignment = 'top')
pylab.show()
def decorate(mean):
pl.legend(loc='upper center', bbox_to_anchor=(.5, -.3))
xmin, xmax, ymin, ymax = pl.axis()
pl.vlines([mean], -ymax, ymax * 10, linestyle='dashed', zorder=20)
pl.xticks([0, .5, 1])
pl.yticks([])
pl.axis([-.01, 1.01, -ymax * .05, ymax * 1.01])
def plotcdf(self, x=None, xmin=None, alpha=None, **kwargs):
"""
Plots CDF and powerlaw
"""
if not (x): x = self.data
if not (xmin): xmin = self._xmin
if not (alpha): alpha = self._alpha
x = numpy.sort(x)
n = len(x)
xcdf = numpy.arange(n, 0, -1, dtype='float') / float(n)
q = x[x >= xmin]
fcdf = (q / xmin)**(1 - alpha)
nc = xcdf[argmax(x >= xmin)]
fcdf_norm = nc * fcdf
D_location = argmax(xcdf[x >= xmin] - fcdf_norm)
pylab.vlines(q[D_location],
xcdf[x >= xmin][D_location],
fcdf_norm[D_location],
color='m',
linewidth=2)
#plotx = pylab.linspace(q.min(),q.max(),1000)
#ploty = (plotx/xmin)**(1-alpha) * nc
pylab.loglog(x, xcdf, marker='+', color='k', **kwargs)
#pylab.loglog(plotx,ploty,'r',**kwargs)
pylab.loglog(q, fcdf_norm, 'r', **kwargs)
def plot_hist_rmsRho_Levs012(rho_L0, rho_L1, rho_L2, tSim, fname):
''''''
import pylab as py
#make 6 hists
rms = rho_L0
lab = r"$\rho$, Lev 0"
rms1d = np.reshape(rms, np.product(rms.shape))
logrms= np.log10(rms1d)
cnt,bins,patches = py.hist(logrms, bins=100, color="blue", alpha=0.5, label=lab)
rms = rho_L1
lab = r"$\rho$, Lev 1"
rms1d = np.reshape(rms, np.product(rms.shape))
logrms= np.log10(rms1d)
cnt,bins,patches = py.hist(logrms, bins=100, color="red", alpha=0.5, label=lab)
rms = rho_L2
lab = r"$\rho$, Lev 2"
rms1d = np.reshape(rms, np.product(rms.shape))
logrms= np.log10(rms1d)
#plot quantities
Tratio = tSim / ic.tCr
#plot
cnt,bins,patches = py.hist(logrms, bins=100, color="green", alpha=0.5,label=lab)
py.vlines(np.log10( ic.rho0 ), 0, cnt.max(), colors="black", linestyles='dashed',label=r"$\rho_{0}$ = %2.2g [g/cm^3]" % ic.rho0)
#py.xlim([-13.,-9.])
py.xlabel("Log10 Density [g/cm^3]")
py.ylabel("count")
py.title(r"$T/T_{\rmCross}$ = %g" % Tratio)
py.legend(loc=0, fontsize="small")
py.savefig(fname,format="pdf")
py.close()
def update_loop(self):
import pylab
import numpy
pylab.ion()
self.fig = pylab.figure()
vmin, vmax = -1, 1
self.img = pylab.imshow(self.retina.image,
vmin=vmin,
vmax=vmax,
cmap='gray',
interpolation='none')
self.line_y = pylab.vlines(self.retina.p_y, 0, 128)
self.line_x = pylab.vlines(self.retina.p_x, 0, 128)
while True:
#self.fig.clear()
#pylab.imshow(self.retina.image, vmin=vmin, vmax=vmax,
# cmap='gray', interpolation='none')
self.img.set_data(self.retina.image)
#self.scatter[0].set_data([self.retina.p_x], [self.retina.p_y])
#if len(self.retina.deltas) > 0:
# pylab.hist(self.retina.deltas, 20, range=(0.0, 0.1))
#pylab.ylim(0, 100)
#pylab.vlines(self.retina.p_y, 0, 128)
#pylab.hlines(self.retina.p_x, 0, 128)
y = self.retina.p_y
self.line_y.set_segments(numpy.array([[(y, 0), (y, 128)]]))
x = self.retina.p_x
self.line_x.set_segments(numpy.array([[(0, x), (128, x)]]))
self.retina.clear_image()
pylab.draw()
time.sleep(0.04)
def plot_conjunction_stats(target_n_planets = 2, acc_vec = [0], t_vec = [0, 1],\ acc_time_per = 1.0, pattern = '*', color = 'b', stack = False, bottom = [], verbose = False): """ """ if verbose: print 'Dimension of t_vec :', size(t_vec) print 'Dimension of acc_vec :', size(acc_vec) x_ind = [] for i in range(0, size(acc_vec)): x_ind_tmp = 0.5*(t_vec[i+1]+t_vec[i])-t_vec[0] x_ind.append(x_ind_tmp) if pattern == 'bar': if stack: plot_obj = pylab.bar(t_vec[0:-1]-t_vec[0], acc_vec, width = acc_time_per*0.3,\ bottom = bottom, color = color, align = 'center') else: plot_obj = pylab.bar(t_vec[0:-1]-t_vec[0], acc_vec, width = acc_time_per*0.3, \ color = color, align = 'center') else: if stack: plot_obj = pylab.plot(x_ind, acc_vec+bottom, pattern, color = color) for i in range(0, size(acc_vec)): pylab.vlines(x = x_ind[i], ymin = bottom[i], ymax = acc_vec[i]+bottom[i], \ lw = 2, color = color) else: plot_obj = pylab.plot(x_ind, acc_vec, pattern, color = color) for i in range(0, size(acc_vec)): pylab.vlines(x = x_ind[i], ymin = 0, ymax = acc_vec[i], lw = 2, color = color) plot_legend = 'Number of conjunctions of '+str(target_n_planets)+' planets per '+str(acc_time_per)+' days' return plot_obj, plot_legend
def plot_T1_Hct(par_dict, Hct_sol, sO2=0.5, T1=1.5):
R1ery0 = par_dict['R1ery0']
R1plas = par_dict['R1plas']
r1dHb = par_dict['r1_prime_dHb']
Hct_axis = np.arange(0, 1.001, 0.001)
xtemp = np.zeros([2, len(Hct_axis)])
xtemp[0, :] = Hct_axis
xtemp[1, :] = sO2
T1s = 1000 / calc_R1(xtemp, R1plas, R1ery0, r1dHb)
plt.xlabel('hematocrit (Hct)', fontsize=16)
plt.ylabel('$T_1$ relaxation time (ms)', fontsize=16)
plt.plot(Hct_axis, T1s, lw=2)
plt.ylim([0.95 * np.min(T1s), 1.05 * np.max(T1s)])
plt.xlim([0, 1])
plt.hlines(1000 * T1, 0, 1, linestyle='dashed')
plt.vlines(Hct_sol,
0.95 * np.min(T1s),
1.05 * np.max(T1s),
linestyle='dashed')
return
def update_loop(self):
import pylab
import numpy
pylab.ion()
self.fig = pylab.figure()
vmin, vmax = -1, 1
self.img = pylab.imshow(self.retina.image, vmin=vmin, vmax=vmax,
cmap='gray', interpolation='none')
self.line_y = pylab.vlines(self.retina.p_y, 0, 128)
self.line_x = pylab.vlines(self.retina.p_x, 0, 128)
while True:
#self.fig.clear()
#pylab.imshow(self.retina.image, vmin=vmin, vmax=vmax,
# cmap='gray', interpolation='none')
self.img.set_data(self.retina.image)
#self.scatter[0].set_data([self.retina.p_x], [self.retina.p_y])
#if len(self.retina.deltas) > 0:
# pylab.hist(self.retina.deltas, 20, range=(0.0, 0.1))
#pylab.ylim(0, 100)
#pylab.vlines(self.retina.p_y, 0, 128)
#pylab.hlines(self.retina.p_x, 0, 128)
y = self.retina.p_y
self.line_y.set_segments(numpy.array([[(y,0), (y,128)]]))
x = self.retina.p_x
self.line_x.set_segments(numpy.array([[(0,x), (128,x)]]))
self.retina.clear_image()
pylab.draw()
time.sleep(0.04)
def view_simple( self, stats, thetas ): # plotting params nbins = 20 alpha = 0.5 label_size = 8 linewidth = 3 linecolor = "r" # extract from states #thetas = states_object.get_thetas()[burnin:,:] #stats = states_object.get_statistics()[burnin:,:] #nsims = states_object.get_sim_calls()[burnin:] # plot sample distribution of thetas, add vertical line for true theta, theta_star f = pp.figure() sp = f.add_subplot(111) pp.plot( self.fine_theta_range, self.posterior, linecolor+"-", lw = 1) ax = pp.axis() pp.hist( thetas, self.nbins_coarse, range=self.range,normed = True, alpha = alpha ) pp.fill_between( self.fine_theta_range, self.posterior, color="m", alpha=0.5) pp.plot( self.posterior_bars_range, self.posterior_bars, 'ro') pp.vlines( thetas.mean(), ax[2], ax[3], color="b", linewidths=linewidth) #pp.vlines( self.theta_star, ax[2], ax[3], color=linecolor, linewidths=linewidth ) pp.vlines( self.posterior_mode, ax[2], ax[3], color=linecolor, linewidths=linewidth ) pp.xlabel( "theta" ) pp.ylabel( "P(theta)" ) pp.axis([self.range[0],self.range[1],ax[2],ax[3]]) set_label_fonsize( sp, label_size ) pp.show()
def decorate(mean):
pl.legend(loc='upper center', bbox_to_anchor=(.5,-.3))
xmin, xmax, ymin, ymax = pl.axis()
pl.vlines([mean], -ymax, ymax*10, linestyle='dashed', zorder=20)
pl.xticks([0, .5, 1])
pl.yticks([])
pl.axis([-.01, 1.01, -ymax*.05, ymax*1.01])
def verifySpikes(data,group=1,dataFilePattern=None):
"""
Overlay the spikes found with the highpass data files
"""
#TODO: only shows the first file for now
dataFiles = glob.glob(dataFilePattern)
descriptorFile,_,_ = dataFiles[0].partition('.')
descriptorFile = '%s.txt' % (descriptorFile.replace('highpass','descriptor'),)
#get the descriptor
descriptor = fr.readDescriptor(descriptorFile)
#get the relevant channels for this group
nchannels = sum(descriptor['gr_nr']>0)
channels = np.where(descriptor['gr_nr']==group)[0]
hdata = np.memmap(dataFiles[0],mode='r',offset=73,dtype=np.int16)
hdata = hdata.reshape(hdata.size/nchannels,nchannels)[:,channels]
#calculate offset
offset = np.append([0],np.cumsum(hdata.max(0))[:-1])
x = np.arange(hdata.shape[0])
plt.plot(x[:,None].repeat(len(channels),1),hdata+offset[None,:].repeat(hdata.shape[0],0))
yl = plt.ylim()
timepoints = data['unitTimePoints']
for k in timepoints.keys():
T = timepoints[k]
plt.vlines(T[(T>=x[0])*(T<x[-1])],yl[0],yl[1])
def plot_channel(ax, c, clusters, cluster_p_values, plot_type, full=False):
for i_c, (start, stop) in enumerate(clusters):
if start / n_times == c:
start -= c * n_times
stop -= c * n_times
if cluster_p_values[i_c] <= 0.05:
h = ax.axvspan(times[start],
times[stop - 1],
color='r',
alpha=0.3)
else:
ax.axvspan(times[start],
times[stop - 1],
color=(0.3, 0.3, 0.3),
alpha=0.3)
pl.axhline(y=0, linewidth=1, color="black")
if plot_type == "data":
hf = ax.plot(times, -1 * means0[c], "r", times, -1 * means1[c], "g")
if not full:
pl.text(-0.035, ydata_scale * .9, ydata_scale_txt)
pl.legend(hf, (cond_names[0], cond_names[1]), loc="upper right")
elif plot_type == "f":
hf = ax.plot(times, T_obs[c], 'g')
pl.vlines(x=xt, ymin=ymarks * -1, ymax=ymarks)
pl.vlines(x=xt2, ymin=np.array([0]), ymax=ymarks2, linewidth=1)
pl.hlines(ydata_scale, xmark * -1, xmark)
pl.xlim([0, times[lent - 1]])
return hf
def draw_fit(rl, pct):
"""Draw sigmoid for psychometric
rl: x values
pct: y values
Fxn draws the curve
"""
def sig(x, A, x0, k, y0):
return A / (1 + np.exp(-k*(x-x0))) + y0
def sig2(x, x0, k):
return 1. / (1+np.exp(-k*(x-x0)))
pl.xlabel('R-L stimuli')
pl.ylabel('p(choose R)')
pl.xlim([rl.min()-1, rl.max()+1])
pl.ylim([-0.05, 1.05])
popt,pcov = curve_fit(sig, rl, pct) # stretch and yshift are free params
popt2,pcov2 = curve_fit(sig2, rl, pct) # stretch and yshift are fixed
x = np.linspace(rl.min(), rl.max(), 200)
y = sig(x, *popt)
y2 = sig2(x, *popt2)
pl.vlines(0,0,1,linestyles='--')
pl.hlines(0.5,rl.min(),rl.max(),linestyles='--')
pl.plot(x,y)
#pl.plot(x,y2)
return popt
def plot_x_and_psd_with_estimated_omega(x, sample_step=1, dt=1.0):
y = x[::sample_step]
F = freq(x, sample_step, dt)
T = 1.0 / F
pylab.clf()
# plot PSD
pylab.subplot(211)
pylab.psd(y, Fs=1.0 / sample_step / dt)
ylim = pylab.ylim()
pylab.vlines(F, *ylim)
pylab.ylim(ylim)
# plot time series
pylab.subplot(223)
pylab.plot(x)
# plot time series (three cycles)
n = int(T / dt) * 3
m = n // sample_step
pylab.subplot(224)
pylab.plot(x[:n])
pylab.plot(numpy.arange(0, n, sample_step)[:m], y[:m], 'o')
pylab.suptitle('F = %s' % F)
def plot_importances(self, lower_bound=10, upper_bound=90):
"""
Plots the relative importance of each parameter
:param name: Lower bound of credible intervals (default: 10%)
:type name: int
:param name: Upper bound of credible intervals (default 90%)
:type name: int
"""
import pylab as plt
median, lower, upper = self.parameter_importances(
lower_bound, upper_bound)
width = 1.0
for i, key in enumerate(median.keys()):
plt.bar(i, median[key], width=width)
plt.vlines(i + width / 2.0, lower[key], upper[key])
plt.xticks(width / 2.0 + np.arange(len(median.keys())), median.keys())
plt.ylabel("Parameter importance")
plt.ylim(0, 1.2)
l, u = plt.xlim()
l = l - width / 4.0
u = u + width / 4.0
plt.xlim(l, u)
def plot_matrices(cov, prec, title, subject_n=0):
"""Plot covariance and precision matrices, for a given processing. """
# Put zeros on the diagonal, for graph clarity.
size = prec.shape[0]
prec[range(size), range(size)] = 0
span = max(abs(prec.min()), abs(prec.max()))
title = "{0:d} {1}".format(subject_n, title)
# Display covariance matrix
pl.figure()
pl.imshow(cov, interpolation="nearest",
vmin=-1, vmax=1, cmap=pl.cm.get_cmap("bwr"))
pl.hlines([(pl.ylim()[0] + pl.ylim()[1]) / 2],
pl.xlim()[0], pl.xlim()[1])
pl.vlines([(pl.xlim()[0] + pl.xlim()[1]) / 2],
pl.ylim()[0], pl.ylim()[1])
pl.colorbar()
pl.title(title + " / covariance")
# Display precision matrix
pl.figure()
pl.imshow(prec, interpolation="nearest",
vmin=-span, vmax=span,
cmap=pl.cm.get_cmap("bwr"))
pl.hlines([(pl.ylim()[0] + pl.ylim()[1]) / 2],
pl.xlim()[0], pl.xlim()[1])
pl.vlines([(pl.xlim()[0] + pl.xlim()[1]) / 2],
pl.ylim()[0], pl.ylim()[1])
pl.colorbar()
pl.title(title + " / precision")
def plot_samples(S, axis_list=None):
pl.scatter(S[:, 0], S[:, 1], s=2, marker='o', linewidths=0, zorder=10)
if axis_list is not None:
colors = [(0, 0.6, 0), (0.6, 0, 0)]
for color, axis in zip(colors, axis_list):
axis /= axis.std()
x_axis, y_axis = axis
# Trick to get legend to work
pl.plot(0.1 * x_axis, 0.1 * y_axis, linewidth=2, color=color)
# pl.quiver(x_axis, y_axis, x_axis, y_axis, zorder=11, width=0.01,
pl.quiver(0,
0,
x_axis,
y_axis,
zorder=11,
width=0.01,
scale=6,
color=color)
pl.hlines(0, -3, 3)
pl.vlines(0, -3, 3)
pl.xlim(-3, 3)
pl.ylim(-3, 3)
pl.xlabel('x')
pl.ylabel('y')
def draw_plot(plotxrange):
xmin, xmax = plotxrange
ixmin = np.argmin(np.abs(tx - xmin))
ixmax = np.argmin(np.abs(tx - xmax))
plt.figure(figsize=figsize)
plt.plot(tx[ixmin:ixmax], sy[ixmin:ixmax], label="signal")
if overlays is not None:
if type(overlays) is np.ndarray:
plt.plot(tx[ixmin:ixmax],
overlays[ixmin:ixmax],
label=overlay_labels)
else:
for i, overlay in enumerate(overlays):
lab = overlay_labels[
i] if overlay_labels is not None else None
plt.plot(tx[ixmin:ixmax], overlay[ixmin:ixmax], label=lab)
for istart, iend in interpolated:
plt.gca().axvspan(tx[istart], tx[iend], color="green", alpha=0.1)
for istart, iend in blinks:
plt.gca().axvspan(tx[istart], tx[iend], color="red", alpha=0.1)
plt.vlines(event_onsets, *plt.ylim(), color="grey", alpha=0.5)
plt.xlim(xmin, xmax)
plt.xlabel(xlab)
if overlay_labels is not None:
plt.legend()
def y_randomization(rf_best, X_train, y_train, descritor, algoritimo):
permutations = 20
score, permutation_scores, pvalue = permutation_test_score(rf_best, X_train, y_train,
cv=5, scoring='balanced_accuracy',
n_permutations=permutations,
n_jobs=-1,
verbose=1,
random_state=24)
print('True score = ', score.round(2),
'\n Média per. = ', np.mean(permutation_scores).round(2),
'\np-value = ', pvalue.round(4))
###############################################################################
# View histogram of permutation scores
pl.subplots(figsize=(10,6))
pl.hist(permutation_scores.round(2), label='Permutation scores')
ylim = pl.ylim()
pl.vlines(score, ylim[0], ylim[1], linestyle='--',
color='g', linewidth=3, label='Classification Score'
' (pvalue %s)' % pvalue.round(4))
pl.vlines(1.0 / 2, ylim[0], ylim[1], linestyle='--',
color='k', linewidth=3, label='Luck')
pl.ylim(ylim)
pl.legend()
pl.xlabel('Score')
pl.title('Aleatoriarização da variável Y '+algoritimo+'X'+descritor, fontsize=12)
pl.savefig('figures/y_randomization-'+descritor+'X'+algoritimo+'.png', bbox_inches='tight', transparent=False, format='png', dpi=300)
pl.show()
def plotcdf(self, x=None, xmin=None, alpha=None, pointcolor='k',
pointmarker='+', **kwargs):
"""
Plots CDF and powerlaw
"""
if x is None: x=self.data
if xmin is None: xmin=self._xmin
if alpha is None: alpha=self._alpha
x=numpy.sort(x)
n=len(x)
xcdf = numpy.arange(n,0,-1,dtype='float')/float(n)
q = x[x>=xmin]
fcdf = (q/xmin)**(1-alpha)
nc = xcdf[argmax(x>=xmin)]
fcdf_norm = nc*fcdf
D_location = argmax(xcdf[x>=xmin]-fcdf_norm)
pylab.vlines(q[D_location],xcdf[x>=xmin][D_location],fcdf_norm[D_location],color='m',linewidth=2)
#plotx = pylab.linspace(q.min(),q.max(),1000)
#ploty = (plotx/xmin)**(1-alpha) * nc
pylab.loglog(x,xcdf,marker=pointmarker,color=pointcolor,**kwargs)
#pylab.loglog(plotx,ploty,'r',**kwargs)
pylab.loglog(q,fcdf_norm,'r',**kwargs)
def ExamplePlotFrozenDist():
"""Example of PlotFrozenDist."""
from pylab import figure, subplot
from scipy.stats import norm, gamma, poisson, skellam
print("Example: Norm, Norm, Gamma, Gamma, Poisson, Poisson, Skellam, Skellam.")
figure()
subplot(421)
PlotFrozenDist( norm() )
subplot(422)
PlotFrozenDist( norm( loc=10, scale=0.5) )
subplot(423)
PlotFrozenDist( gamma(3) )
subplot(424)
ga = gamma( 3, loc=5)
PlotFrozenDist( ga, q=1e-6, color='g')
mn = float(ga.stats()[0]) ### add a red vline at the mean
vlines( mn, 0, ga.pdf(mn), colors='r', linestyles='-')
subplot(425)
PlotFrozenDist(poisson(5.3))
subplot(426)
PlotFrozenDist( poisson(10), color='r', ms=3) ## Pass other plotting arguments
subplot(427)
PlotFrozenDist( skellam( 5.3, 10), marker='*')
subplot(428)
PlotFrozenDist( skellam( 100, 10), marker='+', no_vlines=True)
def plot_histogram():
import numpy as np
import pylab as P
# The hist() function now has a lot more options
#
#
# first create a single histogram
#
P.figure()
mu, sigma = 40, 35
x = abs(np.random.normal(mu, sigma, 1000000))
# the histogram of the data with histtype='step'
n, bins, patches = P.hist(x, 100, normed=1, histtype='stepfilled')
P.setp(patches, 'facecolor', 'g', 'alpha', 0.50)
P.vlines(np.mean(x), 0, max(n))
P.vlines(np.median(x), 0, max(n))
# add a line showing the expected distribution
y = np.abs(P.normpdf( bins, mu, sigma))
l = P.plot(bins, y, 'k--', linewidth=1.5)
P.show()
def fit_peaks(data, args, params_dict):
"""
Returns
"""
logging.info('Performing Gaussian fit...')
half_window = int(params_dict['window'] / 2) + 1
hist = np.histogram(data[params_dict['mass_shifts_column']],
bins=params_dict['bins'])
hist_y = smooth(hist[0], window_size=params_dict['window'], power=5)
hist_x = 1 / 2 * (hist[1][:-1] + hist[1][1:])
loc_max_candidates_ind = argrelextrema(hist_y, np.greater_equal)[0]
# smoothing and finding local maxima
min_height = 2 * np.median(
[x for x in hist[0] if (x > 1)]
) # minimum bin height expected to be peak approximate noise level as median of all non-negative
loc_max_candidates_ind = loc_max_candidates_ind[
hist_y[loc_max_candidates_ind] >= min_height]
poptpvar = []
shape = int(np.sqrt(len(loc_max_candidates_ind))) + 1
plt.figure(figsize=(shape * 3, shape * 4))
plt.tight_layout()
for index, center in enumerate(loc_max_candidates_ind, 1):
x = hist_x[center - half_window:center + half_window + 1]
y = hist[0][center - half_window:center + half_window +
1] #take non-smoothed data
# y_= hist_y[center - half_window: center + half_window + 1]
popt, perr = gauss_fitting(hist[0][center], x, y)
plt.subplot(shape, shape, index)
if popt is None:
label = 'NO FIT'
else:
if x[0] <= popt[1] and popt[1] <= x[-1] and(perr[0]/popt[0] < params_dict['max_deviation_height']) \
and (perr[2]/popt[2] < params_dict['max_deviation_sigma']):
label = 'PASSED'
poptpvar.append(np.concatenate([popt, perr]))
plt.vlines(popt[1] - 3 * popt[2],
0,
hist[0][center],
label='3sigma interval')
plt.vlines(popt[1] + 3 * popt[2], 0, hist[0][center])
else:
label = 'FAILED'
plt.plot(x, y, 'b+:', label=label)
if label != 'NO FIT':
plt.scatter(x,
gauss(x, *popt),
label='Gaussian fit\n $\sigma$ = ' +
"{0:.4f}".format(popt[2]))
plt.legend()
plt.title("{0:.3f}".format(hist[1][center]))
plt.grid(True)
plt.savefig(os.path.join(args.dir, 'gauss_fit.pdf'))
plt.close()
return hist, np.array(poptpvar)
def plotcdf(self,
x=None,
xmin=None,
alpha=None,
pointcolor='k',
dolog=True,
zoom=True,
pointmarker='+',
**kwargs):
"""
Plots CDF and powerlaw
"""
if x is None: x = self.data
if xmin is None: xmin = self._xmin
if alpha is None: alpha = self._alpha
x = np.sort(x)
n = len(x)
xcdf = np.arange(n, 0, -1, dtype='float') / float(n)
q = x[x >= xmin]
fcdf = (q / xmin)**(1 - alpha)
nc = xcdf[argmax(x >= xmin)]
fcdf_norm = nc * fcdf
D_location = argmax(xcdf[x >= xmin] - fcdf_norm)
pylab.vlines(q[D_location],
xcdf[x >= xmin][D_location],
fcdf_norm[D_location],
color='m',
linewidth=2,
zorder=2)
pylab.plot([q[D_location]] * 2,
[xcdf[x >= xmin][D_location], fcdf_norm[D_location]],
color='m',
marker='s',
zorder=3)
#plotx = pylab.linspace(q.min(),q.max(),1000)
#ploty = (plotx/xmin)**(1-alpha) * nc
if dolog:
pylab.loglog(x,
xcdf,
marker=pointmarker,
color=pointcolor,
**kwargs)
pylab.loglog(q, fcdf_norm, 'r', **kwargs)
else:
pylab.semilogx(x,
xcdf,
marker=pointmarker,
color=pointcolor,
**kwargs)
pylab.semilogx(q, fcdf_norm, 'r', **kwargs)
if zoom:
pylab.axis([xmin, x.max(), xcdf.min(), nc])
def plot_profile(in_file, out_file):
print(
"Reading %s to plot geometry profile for model %s, experiment %s, grid mode %s, step %s"
% (in_file, model, experiment, mode, step))
if out_file is None:
out_file = os.path.splitext(in_file)[0] + "-profile.pdf"
mask = read(in_file, 'mask')
usurf = read(in_file, 'usurf')
topg = read(in_file, 'topg')
thk = read(in_file, 'thk')
x = read(in_file, 'x')
# theoretical grounding line position
xg = MISMIP.x_g(experiment, step)
# modeled grounding line position
xg_PISM = find_grounding_line(x, topg, thk, mask)
# mask out ice-free areas
usurf = np.ma.array(usurf, mask=mask == 4)
# compute the lower surface elevation
lsrf = topg.copy()
lsrf[mask == 3] = -MISMIP.rho_i() / MISMIP.rho_w() * thk[mask == 3]
lsrf = np.ma.array(lsrf, mask=mask == 4)
# convert x to kilometers
x /= 1e3
figure(1)
ax = subplot(111)
hold(True)
plot(x, np.zeros_like(x), ls='dotted', color='red')
plot(x, topg, color='black')
plot(x, usurf, 'o', color='blue', markersize=4)
plot(x, lsrf, 'o', color='blue', markersize=4)
xlabel('distance from the divide, km')
ylabel('elevation, m')
title("MISMIP experiment %s, step %d" % (experiment, step))
text(0.6,
0.9,
"$x_g$ (model) = %4.0f km" % (xg_PISM / 1e3),
color='r',
transform=ax.transAxes)
text(0.6,
0.85,
"$x_g$ (theory) = %4.0f km" % (xg / 1e3),
color='black',
transform=ax.transAxes)
_, _, ymin, ymax = axis(xmin=0, xmax=x.max())
vlines(xg / 1e3, ymin, ymax, linestyles='dashed', color='black')
vlines(xg_PISM / 1e3, ymin, ymax, linestyles='dashed', color='red')
print("Saving '%s'...\n" % out_file)
savefig(out_file)
def oneRoundDelay(step = 10000):
injectRate = 0.9
factory = GridNetworkFactory(makeSimpleNode(),Queues)
factory.constructNetwork(6,6)\
.setFlow(Flow((0,0),(0,5),injectRate))\
.setFlow(Flow((5,0),(5,5),injectRate))\
.setFlow(Flow((2,0),(3,5),injectRate))
network = factory.getNetwork()
packetFactory = PacketFactory()
simulator = \
Simulator(network,step,ConstLinkRateGenerator(1),packetFactory)
simulator.run()
#simulator.printNetwork()
stat = simulator.getStaticsInfo()
print stat['aveDelay']
packetPool = sorted(stat['packetPool'],key=lambda p: p.getID)
py.subplot(211)
py.vlines([p.getCreateTime() for p in packetPool],[1],[p.getDelay() for p in packetPool],'r')
py.xlabel('Packet create time(bp with $\lambda$ = 0.9)')
py.ylabel('delay')
py.grid(True)
injectRate = 0.9
factory = GridNetworkFactory(makeMNode(2),Queues)
factory.constructNetwork(6,6)\
.setFlow(Flow((0,0),(0,5),injectRate))\
.setFlow(Flow((5,0),(5,5),injectRate))\
.setFlow(Flow((2,0),(3,5),injectRate))
network = factory.getNetwork()
packetFactory = PacketFactory()
simulator = \
Simulator(network,step,ConstLinkRateGenerator(1),packetFactory)
simulator.run()
#simulator.printNetwork()
stat = simulator.getStaticsInfo()
print stat['aveDelay']
packetPool = sorted(stat['packetPool'],key=lambda p: p.getID)
py.subplot(212)
py.vlines([p.getCreateTime() for p in packetPool],[1],[p.getDelay() for p in packetPool],'b')
py.xlabel('Packet create time (m=2 with $\lambda$ = 0.9)')
py.ylabel('delay')
py.grid(True)
py.savefig('packetDelayInOneRound_09')
py.show()
def periodogram_scipy(data, frequencies, plot=False):
freqs, pgram = lombscargle_scipy(data, frequencies)
periods = map(lambda x: (2 * math.pi) / x, freqs)
if plot:
pylab.vlines(periods, 0, np.array(pgram), color='k', linestyles='solid')
pylab.xlabel("period, days")
pylab.ylabel("power")
pylab.title("CenX-3 18-60 KeV Periodogram")
pylab.show()
def myPlot(X,fun,X0,funp,c1,c2):
p.figure(figsize=(10,6))
F=do(f,X)
p.plot(X0,funp,c1+'o-',lw=2,)
p.vlines(X0,0,funp,linestyle='dotted')
p.hlines(0,0,1)
p.xticks(X0,['$x_{%s}$'%i for i in range(len(X0))],fontsize='large')
p.yticks([])
p.ylabel('$f(x)$',fontsize='large')
p.axis([X0[0],X0[-1],0,F.max()+0.1])
def plotpdf(self,x=None,xmin=None,alpha=None,nbins=50,dolog=True,dnds=False,
drawstyle='steps-post', histcolor='k', plcolor='r', **kwargs):
"""
Plots PDF and powerlaw.
kwargs is passed to pylab.hist and pylab.plot
"""
if not(x): x=self.data
if not(xmin): xmin=self._xmin
if not(alpha): alpha=self._alpha
x=numpy.sort(x)
n=len(x)
pylab.gca().set_xscale('log')
pylab.gca().set_yscale('log')
if dnds:
hb = pylab.histogram(x,bins=numpy.logspace(log10(min(x)),log10(max(x)),nbins))
h = hb[0]
b = hb[1]
db = hb[1][1:]-hb[1][:-1]
h = h/db
pylab.plot(b[:-1],h,drawstyle=drawstyle,color=histcolor,**kwargs)
#alpha -= 1
elif dolog:
hb = pylab.hist(x,bins=numpy.logspace(log10(min(x)),log10(max(x)),nbins),log=True,fill=False,edgecolor=histcolor,**kwargs)
alpha -= 1
h,b=hb[0],hb[1]
else:
hb = pylab.hist(x,bins=numpy.linspace((min(x)),(max(x)),nbins),fill=False,edgecolor=histcolor,**kwargs)
h,b=hb[0],hb[1]
# plotting points are at the center of each bin
b = (b[1:]+b[:-1])/2.0
q = x[x>=xmin]
px = (alpha-1)/xmin * (q/xmin)**(-alpha)
# Normalize by the median ratio between the histogram and the power-law
# The normalization is semi-arbitrary; an average is probably just as valid
plotloc = (b>xmin)*(h>0)
norm = numpy.median( h[plotloc] / ((alpha-1)/xmin * (b[plotloc]/xmin)**(-alpha)) )
px = px*norm
plotx = pylab.linspace(q.min(),q.max(),1000)
ploty = (alpha-1)/xmin * (plotx/xmin)**(-alpha) * norm
#pylab.loglog(q,px,'r',**kwargs)
pylab.loglog(plotx,ploty,color=plcolor,**kwargs)
axlims = pylab.axis()
pylab.vlines(xmin,axlims[2],max(px),colors=plcolor,linestyle='dashed')
pylab.gca().set_xlim(min(x),max(x))
def GMRrichness(ra=None,dec=None,photoz=None,cat=None,plot=True,err=True,rw=True,bcg=True,radius=1.):
fra=cat.field('ra')
fdec=cat.field('dec')
imag=cat.field('model_counts')[:,3]
gmr=cat.field('gmr')
gmrerr=cat.field('gmr_err')
depth=12
h=es.htm.HTM(depth)
srad=np.rad2deg(radius/Da(0,photoz))
m1,m2,d12 = h.match(ra,dec,fra,fdec,srad,maxmatch=5000)
cimag=imag[m2[0]]
cgmr=gmr[m2[0]]
r12=np.deg2rad(d12)*Da(0,photoz)
if bcg is True:
indices=(imag[m2]<=limi(photoz))*(imag[m2]>cimag)
else:
indices=(imag[m2]<=limi(photoz))
ntot=len(m2[indices])
if ntot <= 10:
return 0, 0, 0
alpha=np.array([0.5,0.5])
mu=np.array([sts.scoreatpercentile(gmr[m2[indices]],per=70),sts.scoreatpercentile(gmr[m2[indices]],per=40)])
sigma=np.array([0.04,0.3])
if err is True:
if rw is False:
aic2=gmm.aic_ecgmm(gmr[m2[indices]],gmrerr[m2[indices]],alpha,mu,sigma)
aic1=gmm.wstat(gmr[m2[indices]],gmrerr[m2[indices]])[3]
else:
aic2,alpha,mu,sigma=rwgmm.aic2EM(gmr[m2[indices]],gmrerr[m2[indices]],r12[indices],alpha,mu,sigma)
aic1=rwgmm.aic1EM(gmr[m2[indices]],gmrerr[m2[indices]],r12[indices])[0]
else:
aic2=gmm.aic_ecgmm(gmr[m2[indices]],aalpha=alpha,mmu=mu,ssigma=sigma)
aic1=gmm.wstat(gmr[m2[indices]])[3]
if plot==True:
pl.hist(gmr[m2[indices]],bins=30,normed=True,facecolor='green',alpha=0.3)
pl.vlines(cgmr,0,3,color='green')
x=np.arange(-1,5,0.01)
srt=np.argsort(sigma)
alpha=alpha[srt]
mu=mu[srt]
sigma=sigma[srt]
z = gmrz(mu[0])
t=gmm.ecgmmplot(x,alpha,mu,sigma)
pl.xlabel('g - r')
pl.figtext(0.61,0.85,r'$\alpha$: '+str(np.round(alpha,4)))
pl.figtext(0.61,0.8,r'$\mu$: '+str(np.round(mu,4)))
pl.figtext(0.61,0.75,r'$\sigma$: '+str(np.round(sigma,4)))
pl.figtext(0.61,0.68,r'$Amplitude$: '+str(np.round(ntot*alpha[0],2)))
pl.figtext(0.61,0.61,r'$AIC_1$: '+str(aic1))
pl.figtext(0.61,0.54,r'$AIC_2$: '+str(aic2))
pl.figtext(0.61,0.47,'Photoz: '+str(photoz))
pl.figtext(0.61,0.4,'ridgeline Z: '+str(z))
pl.title('Total # of galaxies: '+str(ntot))
return ntot*alpha[0],aic1,aic2,cgmr,alpha,mu,sigma,z
def oneRoundDelay(step=10000):
injectRate = 0.9
factory = GridNetworkFactory(makeSimpleNode(), Queues)
factory.constructNetwork(6,6)\
.setFlow(Flow((0,0),(0,5),injectRate))\
.setFlow(Flow((5,0),(5,5),injectRate))\
.setFlow(Flow((2,0),(3,5),injectRate))
network = factory.getNetwork()
packetFactory = PacketFactory()
simulator = \
Simulator(network,step,ConstLinkRateGenerator(1),packetFactory)
simulator.run()
#simulator.printNetwork()
stat = simulator.getStaticsInfo()
print stat['aveDelay']
packetPool = sorted(stat['packetPool'], key=lambda p: p.getID)
py.subplot(211)
py.vlines([p.getCreateTime() for p in packetPool], [1],
[p.getDelay() for p in packetPool], 'r')
py.xlabel('Packet create time(bp with $\lambda$ = 0.9)')
py.ylabel('delay')
py.grid(True)
injectRate = 0.9
factory = GridNetworkFactory(makeMNode(2), Queues)
factory.constructNetwork(6,6)\
.setFlow(Flow((0,0),(0,5),injectRate))\
.setFlow(Flow((5,0),(5,5),injectRate))\
.setFlow(Flow((2,0),(3,5),injectRate))
network = factory.getNetwork()
packetFactory = PacketFactory()
simulator = \
Simulator(network,step,ConstLinkRateGenerator(1),packetFactory)
simulator.run()
#simulator.printNetwork()
stat = simulator.getStaticsInfo()
print stat['aveDelay']
packetPool = sorted(stat['packetPool'], key=lambda p: p.getID)
py.subplot(212)
py.vlines([p.getCreateTime() for p in packetPool], [1],
[p.getDelay() for p in packetPool], 'b')
py.xlabel('Packet create time (m=2 with $\lambda$ = 0.9)')
py.ylabel('delay')
py.grid(True)
py.savefig('packetDelayInOneRound_09')
py.show()
def view_results( self, states_object, burnin = 1 ):
# plotting params
nbins = 20
alpha = 0.5
label_size = 8
linewidth = 3
linecolor = "r"
# extract from states
thetas = states_object.get_thetas()[burnin:,:]
stats = states_object.get_statistics()[burnin:,:]
nsims = states_object.get_sim_calls()[burnin:]
f=pp.figure()
for i in range(6):
sp=f.add_subplot(2,10,i+1)
pp.hist( thetas[:,i], 10, normed=True, alpha = 0.5)
pp.title( self.theta_names[i])
set_label_fonsize( sp, 6 )
set_tick_fonsize( sp, 6 )
set_title_fonsize( sp, 8 )
for i in range(10):
sp=f.add_subplot(2,10,10+i+1)
pp.hist( stats[:,i], 10, normed=True, alpha = 0.5)
ax=pp.axis()
pp.vlines( self.obs_statistics[i], 0, ax[3], color="r", linewidths=2)
# if self.obs_statistics[i] < ax[0]:
# ax[0] = self.obs_statistics[i]
# elif self.obs_statistics[i] > ax[1]:
# ax[1] = self.obs_statistics[i]
pp.axis( [ min(ax[0],self.obs_statistics[i]), max(ax[1],self.obs_statistics[i]), ax[2],ax[3]] )
pp.title( self.stats_names[i])
set_label_fonsize( sp, 6 )
set_tick_fonsize( sp, 6 )
set_title_fonsize( sp, 8 )
pp.suptitle( "top: posterior, bottom: post pred with true")
f = pp.figure()
I = np.random.permutation( len(thetas) )
for i in range(16):
sp=pp.subplot(4,4,i+1)
theta = thetas[ I[i],:]
test_obs = self.simulation_function( theta )
test_stats = self.statistics_function( test_obs )
err = np.sum( np.abs( self.obs_statistics - test_stats ) )
pp.title( "%0.2f"%( err ))
pp.plot( self.observations/1000.0 )
pp.plot(test_obs/1000.0)
pp.axis("off")
set_label_fonsize( sp, 6 )
set_tick_fonsize( sp, 6 )
set_title_fonsize( sp, 8 )
pp.suptitle( "time-series from random draws of posterior")
def plot_peak(self, x, peaks, properties):
plt.plot(x)
plt.plot(peaks, x[peaks], "x")
plt.vlines(x=peaks,
ymin=x[peaks] - properties["prominences"],
ymax=x[peaks],
color="C1")
plt.hlines(y=properties["width_heights"],
xmin=properties["left_ips"],
xmax=properties["right_ips"],
color="C1")
plt.show()
def Test1():
cluster_result_filename = 'cluster_test.txt'
from optics import *
from numpy import random
import scipy as S
testX = random.rand(100, 2)
x1 = S.rand(30,2)*2
x2 = (S.rand(40,2)+1)*2
x3 = (S.rand(40,2)*0.2+1)*2.5
testX= np.concatenate((x1,x2,x3))
#P.plot(testX[:,0], testX[:,1], 'ro')
#RD, CD, order = optics(testX, 4)
k =4
Eps = epsilon(testX,k)
print Eps
RD,CD,order = loptics(testX, Eps,k)
testXOrdered = testX[order]
P.plot(testXOrdered[:,0], testXOrdered[:,1], 'b-')
x = [float(i)/10.0 for i in range(110)]
y = [-RD[i] for i in order]
P.vlines(x,[0],y)
print order
P.savefig('D:\\Desktop\\test.png',dpi=300,format='png')
##############################################################
_RD = [RD[i] for i in order]
clusters = extractCluster(_RD,0.1,k,cluster_result_filename)
hierarchy = 1
starts,ends,counts = extractRangeCollection(cluster_result_filename)
root = Node(0,0,0)
extractHierarchicalStructure(starts,ends,counts,root)
clusters = getClusterByHierarchy(root,hierarchy)
for i,cluster in enumerate(clusters):
cluster.id = i
print cluster.start, ',', cluster.end, ',', cluster.count
print "##############################"
#################################################################
color = ['ro','bo','yo','go','ko','mo','co','r*','b*']
for i,id in enumerate(order):
cluster_id = -1
for cluster in clusters:
if cluster.start <= i <= cluster.end:
cluster_id = cluster.id
break
P.plot(testX[id,0],testX[id,1],color[cluster_id])
P.show()
def plot_profile(in_file, out_file):
print("Reading %s to plot geometry profile for model %s, experiment %s, grid mode %s, step %s" % (
in_file, model, experiment, mode, step))
if out_file is None:
out_file = os.path.splitext(in_file)[0] + "-profile.pdf"
mask = read(in_file, 'mask')
usurf = read(in_file, 'usurf')
topg = read(in_file, 'topg')
thk = read(in_file, 'thk')
x = read(in_file, 'x')
# theoretical grounding line position
xg = MISMIP.x_g(experiment, step)
# modeled grounding line position
xg_PISM = find_grounding_line(x, topg, thk, mask)
# mask out ice-free areas
usurf = np.ma.array(usurf, mask=mask == 4)
# compute the lower surface elevation
lsrf = topg.copy()
lsrf[mask == 3] = -MISMIP.rho_i() / MISMIP.rho_w() * thk[mask == 3]
lsrf = np.ma.array(lsrf, mask=mask == 4)
# convert x to kilometers
x /= 1e3
figure(1)
ax = subplot(111)
hold(True)
plot(x, np.zeros_like(x), ls='dotted', color='red')
plot(x, topg, color='black')
plot(x, usurf, 'o', color='blue', markersize=4)
plot(x, lsrf, 'o', color='blue', markersize=4)
xlabel('distance from the divide, km')
ylabel('elevation, m')
title("MISMIP experiment %s, step %d" % (experiment, step))
text(0.6, 0.9, "$x_g$ (model) = %4.0f km" % (xg_PISM / 1e3), color='r',
transform=ax.transAxes)
text(0.6, 0.85, "$x_g$ (theory) = %4.0f km" % (xg / 1e3), color='black',
transform=ax.transAxes)
_, _, ymin, ymax = axis(xmin=0, xmax=x.max())
vlines(xg / 1e3, ymin, ymax, linestyles='dashed', color='black')
vlines(xg_PISM / 1e3, ymin, ymax, linestyles='dashed', color='red')
print("Saving '%s'...\n" % out_file)
savefig(out_file)
def RasterPlot(st):
neuronIdx = np.unique(st[:, 1])
nNeurons = np.size(neuronIdx)
nSpks, _ = st.shape
vLenght = 0.1
plt.ion()
x = np.array([])
y = np.array([])
for idx, iNeuron in enumerate(neuronIdx):
iSpkTimes = st[st[:, 1] == iNeuron, 0]
x = np.r_[x, iSpkTimes]
y = np.r_[y, iNeuron * np.ones((np.size(iSpkTimes),))]
plt.vlines(x, y, y + vLenght)
plt.draw()
def _plot_vlines( self, x, y, label, params=dict() ):
fparams = { 'color' : 'black',
'linestyle' : 'solid',
'linewidth' : 2.0,
'markersize' : 5 }
fparams.update( params )
pylab.vlines( x, [0], y,
color = fparams['color'],
linestyle = fparams['linestyle'],
linewidth = fparams['linewidth'],
label = label )
pylab.plot(x, y, 'o',
color = fparams['color'],
markersize = fparams['markersize'])
def plot_lognormal_cdf(self,**kwargs):
"""
Plot the fitted lognormal distribution
"""
if not hasattr(self,'lognormal_dist'):
return
x=numpy.sort(self.data)
n=len(x)
xcdf = numpy.arange(n,0,-1,dtype='float')/float(n)
lcdf = self.lognormal_dist.sf(x)
D_location = argmax(xcdf-lcdf)
pylab.vlines(x[D_location],xcdf[D_location],lcdf[D_location],color='m',linewidth=2)
pylab.plot(x, lcdf,',',**kwargs)
def plot(mode):
""" plot range """
xmin, xmax, ymin, ymax = (-2, 2, -1, 3)
fig = pl.figure()
fig.subplots_adjust(left=0.15)
ax = pl.subplot(1,1,1)
interval = 0.5
offset = 0.05
""" move ticks"""
pl.xticks(offset + np.arange(xmin, xmax+1, interval), np.arange(xmin, xmax+interval+1, interval))
pl.yticks(offset + np.arange(ymin, ymax+1, interval), np.arange(ymin, ymax+interval+1, interval))
pl.ylim([ymin,ymax])
""" axis """
pl.hlines([0], xmin, xmax, linestyles="dashed")
pl.vlines([0], ymin, ymax, linestyles="dashed")
""" label """
pl.xlabel("x", style='italic', fontsize=25)
pl.ylabel("l'(x)", style='italic', fontsize=25)
""" title """
pl.title(mode, fontdict={'size':28})
X = np.linspace(xmin, xmax, 256, endpoint=True)
""" plot funcitons """
if mode == "(b)":
pl.plot(X, exp(X), "--r", linewidth=5)
pl.plot(X, hinge(X), "-b", linewidth=5)
#pl.plot(X, logistic(X), linewidth=3, color="y")
elif mode == "(a)":
pl.plot(X, sigmoid(X), "-b", linewidth=5)
pl.plot(X, ramp(X), "--r", linewidth=5)
for i,item in enumerate(ax.get_xticklabels()):
fontsize = 20
item.set_fontsize(fontsize)
for i,item in enumerate(ax.get_yticklabels()):
fontsize = 20
item.set_fontsize(fontsize)
pl.show()
def plot_encoded(t, u, s, fig_title='', file_name=''):
"""
Plot a time-encoded signal.
Parameters
----------
t : ndarray of floats
Times (in s) at which the original signal was sampled.
u : ndarray of floats
Signal samples.
s : ndarray of floats
Intervals between encoded signal spikes.
fig_title : string
Plot title.
file_name : string
File in which to save the plot.
Notes
-----
The spike times (i.e., the cumulative sum of the interspike
intervals) must all occur within the interval `t-min(t)`.
"""
dt = t[1]-t[0]
cs = np.cumsum(s)
if cs[-1] >= max(t)-min(t):
raise ValueError('some spike times occur outside of signal''s support')
p.clf()
p.gcf().canvas.set_window_title(fig_title)
p.axes([0.125, 0.3, 0.775, 0.6])
p.vlines(cs+min(t), np.zeros(len(cs)), u[np.asarray(cs/dt, int)], 'b')
p.hlines(0, 0, max(t), 'r')
p.plot(t, u, hold=True)
p.xlabel('t (s)')
p.ylabel('u(t)')
p.title(fig_title)
p.gca().set_xlim(min(t), max(t))
a = p.axes([0.125, 0.1, 0.775, 0.1])
p.plot(cs+min(t), np.zeros(len(s)), 'ro')
a.set_yticklabels([])
p.xlabel('%d spikes' % len(s))
p.gca().set_xlim(min(t), max(t))
p.draw_if_interactive()
if file_name:
p.savefig(file_name)
def decoderDiagnostics(waveform=None):
if waveform is None:
waveform = badPacketWaveforms[-1]
Fs_eff = Fs/upsample_factor
ac = wifi.autocorrelate(waveform)
ac_t = np.arange(ac.size)*16/Fs_eff
synch = wifi.synchronize(waveform)/float(Fs_eff)
pl.figure(2)
pl.clf()
pl.subplot(211)
pl.specgram(waveform, NFFT=64, noverlap=64-1, Fc=Fc, Fs=Fs_eff, interpolation='nearest', window=lambda x:x)
pl.xlim(0, waveform.size/Fs_eff)
yl = pl.ylim(); pl.vlines(synch, *yl); pl.ylim(*yl)
pl.subplot(212)
pl.plot(ac_t, ac)
yl = pl.ylim(); pl.vlines(synch, *yl); pl.ylim(*yl)
pl.xlim(0, waveform.size/Fs_eff)
def plot_seg(nc, detection=None, annotation=None, show=False):
length = len(nc)
if detection==None:
# Empty detection. Plot the first and last instance only.
detection = [0, length-1]
if annotation == None:
# Plot single pane
plt.figure(figsize=(7,2))
plt.plot(np.linspace(0, length-1, length), nc)
plt.vlines(detection, 0, 1, 'k')
else:
# Plot duo panes
gs = gridspec.GridSpec(2, 1, height_ratios=[2, 1])
plt.figure(figsize=(7,5))
ax0 = plt.subplot(gs[0])
ax1 = plt.subplot(gs[1], sharex=ax0)
ax0.plot(np.linspace(0, length-1, length), nc)
ax0.vlines(detection, 0, 1, 'k')
ax0.set_xlim([0, length])
ax0.set_ylim([0, 1])
ax0.get_xaxis().set_visible(False)
ax0.set_title('Nolvety curve', fontsize=22)
ax0.set_ylabel('Amplitude', fontsize=20)
ax1.set_xlim([0, length])
ax1.set_ylim([0, 1])
ax1.vlines(annotation, 0, 1, 'r')
ax1.get_xaxis().set_visible(False)
ax1.set_title('Annotations', fontsize=22)
plt.xlabel('Time frame', fontsize=20)
if show:
plt.show()
else:
plt.savefig(join(SAVETO+'FOOTE.pdf'), format='pdf')
plt.close()
def plot_samples(S, axis_list=None):
pl.scatter(S[:, 0], S[:, 1], s=2, marker="o", linewidths=0, zorder=10)
if axis_list is not None:
colors = [(0, 0.6, 0), (0.6, 0, 0)]
for color, axis in zip(colors, axis_list):
axis /= axis.std()
x_axis, y_axis = axis
# Trick to get legend to work
pl.plot(0.1 * x_axis, 0.1 * y_axis, linewidth=2, color=color)
# pl.quiver(x_axis, y_axis, x_axis, y_axis, zorder=11, width=0.01,
pl.quiver(0, 0, x_axis, y_axis, zorder=11, width=0.01, scale=6, color=color)
pl.hlines(0, -3, 3)
pl.vlines(0, -3, 3)
pl.xlim(-3, 3)
pl.ylim(-3, 3)
pl.xlabel("x")
pl.ylabel("y")
