def tick(
self,
locator: Locator | None = None,
*,
upto: int | None = None,
) -> Temporal:
if locator is not None:
# TODO accept tuple for major, minor?
if not isinstance(locator, Locator):
err = (f"Tick locator must be an instance of {Locator!r}, "
f"not {type(locator)!r}.")
raise TypeError(err)
major_locator = locator
elif upto is not None:
# TODO atleast for minticks?
major_locator = AutoDateLocator(minticks=2, maxticks=upto)
else:
major_locator = AutoDateLocator(minticks=2, maxticks=6)
self._major_locator = major_locator
self._minor_locator = None
self.format()
return self
def _get_locators(self, locator, upto):
if locator is not None:
major_locator = locator
elif upto is not None:
major_locator = AutoDateLocator(minticks=2, maxticks=upto)
else:
major_locator = AutoDateLocator(minticks=2, maxticks=6)
minor_locator = None
return major_locator, minor_locator
def myplot(txtName):
# plot daily_temp_record
df = pd.read_table(txtName, sep='[ |\t]', header=None, engine='python')
columnNames = [
'time', 'floor_id', 'room_id', 'set_tmp', 'real_tmp', 'real_var_open',
'var_open'
]
df.columns = columnNames[0:df.shape[1]]
df['time'] = pd.to_datetime(df['time'], format='%d:%H:%M:%S')
# 配置时间坐标轴
plt.figure()
plt.subplot(2, 1, 1)
plt.plot_date(df['time'],
df['real_tmp'],
linestyle="-",
marker="None",
color='indigo')
# 坐标轴，标题设置
plt.xticks([])
plt.ylabel('Temperature', size=10)
plt.title(time.strftime("%H:%M"),
size=10) #plt.title('Temperature record',size=10)
plt.gcf().autofmt_xdate() # 自动旋转日期标记
plt.grid(True)
plt.axis("tight")
plt.gca().xaxis.set_major_formatter(
mdates.DateFormatter('%H:%M')) # 显示时间坐标的格式
autodates = AutoDateLocator() # 时间间隔自动选取
plt.gca().xaxis.set_major_locator(autodates)
plt.subplot(2, 1, 2)
plt.plot_date(df['time'],
df['real_var_open'],
linestyle="-",
marker="None",
color='firebrick')
# 坐标轴，标题设置
plt.xlabel('Time', size=10)
plt.ylabel('var_open', size=10)
plt.title('Var_open record', size=10)
plt.gcf().autofmt_xdate() # 自动旋转日期标记
plt.grid(True)
plt.axis("tight")
plt.gca().xaxis.set_major_formatter(
mdates.DateFormatter('%H:%M')) # 显示时间坐标的格式
autodates = AutoDateLocator() # 时间间隔自动选取
plt.gca().xaxis.set_major_locator(autodates)
plt.savefig("./realtime_figure/" + fig_name(txtName), dpi=500)
plt.close()
def make_graph_cumm(df, what_to_display):
with _lock:
fig1yza, ax = subplots()
ax3 = ax.twinx()
ax.set_title('Cummulative cases and growth COVID-19 à la Levitt')
ax.scatter(df["date"],
df["what_to_display_cumm"].values,
color="green",
s=1,
label=f"reality {what_to_display}")
ax.scatter(df["date"],
df["what_to_display_predicted_cumm"].values,
color="#00b3b3",
s=1,
label=f"predicted {what_to_display}")
ax3.scatter(df["date"],
df["real_growth"].values,
color="#b300b3",
s=1,
label="real growth")
ax3.scatter(df["date"],
df["predicted_growth"].values,
color="#b3bbb3",
s=1,
label="predicted growth")
ax.set_xlim(df.index[0], df.index[-1])
ax.yaxis.set_major_formatter(
StrMethodFormatter('{x:,.0f}')) # comma separators
ax.grid()
ax.legend(loc="upper left")
ax.xaxis.set_major_formatter(
ConciseDateFormatter(AutoDateLocator(), show_offset=False))
st.pyplot(fig1yza)
def gen_temp_plot(temperature, maximums, minimums, timestamps):
# create figure with one axes
fig, ax = plt.subplots()
# prettify
ax.xaxis.set_major_formatter(ConciseDateFormatter(AutoDateLocator()))
fig.autofmt_xdate(rotation=40)
fig.tight_layout()
# plot all the data at one axes
ax.plot(timestamps, temperature, 'ko')
ax.plot(timestamps, maximums, 'r')
ax.plot(timestamps, minimums, 'b')
# create a bytes stream
img = io.BytesIO()
# save figure to stream
plt.savefig(img, format='png')
img.seek(0)
# encode bytes-like object using base64, than decode binary data
plot_url = base64.b64encode(img.getvalue()).decode()
# close bytes stream
img.close()
return plot_url
def _adjust_axe_timeaxis_view(ax: Axes) -> Axes:
locator = AutoDateLocator()
daysFmt = DateFormatter("%y%m%d\n%H:%M")
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(daysFmt)
ax.autoscale_view()
return ax
def defaultPlotOptions():
default = {}
default["colsPerRow"] = 2
default["suptitle"] = "Suptitle"
default["title"] = "Title"
default["logx"] = False
default["logxalt"] = False
default["logy"] = False
default["logyalt"] = False
default["grid"] = True
default["xlim"] = False
default["xlimalt"] = False
default["ylim"] = False
default["ylimalt"] = False
default["xlabel"] = ""
default["ylabel"] = ""
default["timeTicks"] = AutoDateLocator()
default["timeFormat"] = default["timeTicks"]
default["timeNum"] = 8
default["cTitle"] = "Time"
default["clim"] = [0.0, 1.0]
default["rowSize"] = 7
default["colSize"] = 8
default["notime"] = False
default["hist"] = False
default["gradients"] = False
default["eIndex"] = -1
return default
def plot_percentiles(sim, percentiles, obs=None):
discharges = [s.region_model.statistics.discharge([0]) for s in sim]
times = utc_to_greg(np.array([discharges[0].time(i) for i in range(discharges[0].size())], dtype='d'))
all_discharges = np.array([d.v for d in discharges])
perc_arrs = [a for a in np.percentile(all_discharges, percentiles, 0)]
h, fill_handles = plot_np_percentiles(times, perc_arrs, base_color=(51/256, 102/256, 193/256))
percentile_texts = ["{} - {}".format(percentiles[i], percentiles[-(i + 1)]) for i in range(len(percentiles)//2)]
ax = plt.gca()
maj_loc = AutoDateLocator(tz=pytz.UTC, interval_multiples=True)
ax.xaxis.set_major_locator(maj_loc)
set_calendar_formatter(Calendar())
if len(percentiles) % 2:
fill_handles.append(h[0])
percentile_texts.append("{}".format(percentiles[len(percentiles)//2]))
if obs is not None:
h_obs = plot_results(None, obs)
fill_handles.append(h_obs)
percentile_texts.append("Observed")
ax.legend(fill_handles, percentile_texts)
ax.grid(b=True, color=(51/256, 102/256, 193/256), linewidth=0.1, linestyle='-', axis='y')
plt.xlabel("Time in UTC")
plt.ylabel(r"Discharge in $\mathbf{m^3s^{-1}}$", verticalalignment="top", rotation="horizontal")
ax.yaxis.set_label_coords(0, 1.1)
return h, ax
def _make_plot(self):
try:
from pandas.plotting._timeseries import (_decorate_axes,
format_dateaxis)
except ImportError:
from pandas.tseries.plotting import _decorate_axes, format_dateaxis
plotf = self._get_plot_function()
ax = self._get_ax(0)
data = self.data
data.index.name = 'Date'
data = data.to_period(freq=self.freq)
index = data.index
data = data.reset_index(level=0)
if self._is_ts_plot():
data['Date'] = data['Date'].apply(lambda x: x.ordinal)
_decorate_axes(ax, self.freq, self.kwds)
candles = plotf(data, ax, **self.kwds)
if PANDAS_0200:
format_dateaxis(ax, self.freq, index)
else:
format_dateaxis(ax, self.freq)
else:
from matplotlib.dates import date2num, AutoDateFormatter, AutoDateLocator
data['Date'] = data['Date'].apply(
lambda x: date2num(x.to_timestamp()))
candles = plotf(data, ax, **self.kwds)
locator = AutoDateLocator()
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(AutoDateFormatter(locator))
return candles
def graph_setup(self, *args):
"""
Handle graph setup
"""
plt.style.use('dark_background')
loc = AutoDateLocator()
formatter = DateFormatter('%m-%d-%y\n%H:%M')
dates = []
s = []
for idx in range(0, len(self.predicter.result), 24):
date = self.predicter.result[idx]
dates.append(
datetime.datetime(date[0].year, date[0].month, date[0].day,
date[0].hour, date[0].minute))
s.append(round(sum(date[2]) / date[4] * 100))
fig, ax = plt.subplots()
ax.xaxis.set_major_locator(loc)
ax.xaxis.set_major_formatter(formatter)
ax.set_facecolor('#232323')
fig.patch.set_facecolor('#2a2a2a')
plt.plot_date(dates,
s,
linestyle='solid',
marker='None',
color='#00f946',
linewidth=1)
plt.ylabel('Efficiency', fontproperties=avenir3, fontsize=10)
plt.xlabel('Date', fontproperties=avenir3, fontsize=10)
plt.yticks(fontproperties=segoeui, fontsize=8)
plt.xticks(fontproperties=segoeui, fontsize=7)
plt.grid(color='#686868', linestyle=':', linewidth=.5)
self.ids.test.add_widget(FigureCanvasKivyAgg(plt.gcf()))
def flavor_month(flavor_type):
data_ori = pd.Series()
for file in fileList:
df = pd.read_csv(base_path+'\\'+file, header=None, names=['type', 'day'], sep='\t', usecols=[1, 2])
if(flavor_type in df['type'].values):
a = df.groupby(by='type').get_group(flavor_type)['day'].value_counts().sort_index()
data_ori=data_ori.append(a)
date_time = list(data_ori.index)
value_l = []
for ind in range(0, len(date_l)):
if date_l[ind] in date_time:
val_tmp=date_l[ind]
tmp = data_ori[val_tmp]
else:
tmp = 0
value_l.append(tmp)
plt.figure()
data_time_translation = [datetime.strptime(d, '%Y-%m-%d').date() for d in date_l]
plt.gca().xaxis.set_major_formatter(mdates.DateFormatter('%Y-%m-%d')) # 显示时间坐标的格式
autodates = AutoDateLocator() # 时间间隔自动选取
plt.plot(data_time_translation, value_l, 'b', lw=2.5)
plt.gcf().autofmt_xdate() # 自动旋转日期标记
plt.grid(True)
plt.axis("tight")
plt.xlabel('Time')
plt.ylabel('count')
plt.title('flavor')
plt.gca().xaxis.set_major_locator(autodates)
plt.legend(loc=0)
# plt.show()
plt.savefig(base_path+r'\全部'+'\\'+flavor_type + '.png')
plt.close('all')
def data_visualize(train_data={}):
x_date = []
y_num = []
if len(train_data) == 0:
return -1
#要绘制的Vm类型
#target2plot = train_data.keys()时将在一张图绘制所有vm数据
#可赋值['num']绘制对应的vm数据
target2plot = train_data.keys() #['4'] #['5','6','7','8','9']
#绘图属性设置
figure = pyplot.figure()
autodates = AutoDateLocator()
yearsFmt = DateFormatter('%Y-%m-%d')
ax = figure.add_subplot(212)
ax.xaxis.set_major_locator(autodates) #设置时间间隔
ax.xaxis.set_major_formatter(yearsFmt) #设置时间显示格式
ax.set_xlabel('Time')
ax.set_ylabel('Numbers')
ax.set_title('Data Visualizaiton')
# figure.axes.
for target in target2plot:
# for key in train_data[target]:
## x_date.append(datetime.strptime(key, "%Y-%m-%d")) # datetime类型list
# x_date.append(key) #str类型list
x_date = train_data[target].keys()
#对时间数据进行排序处理，便于绘图
x_date.sort()
print date2num(x_date)
for key in x_date:
y_num.append((train_data[target])[key])
print y_num
ax.plot_date(datestr2num(x_date), y_num, '-', label="flavor" + target)
ax.legend()
figure.autofmt_xdate()
# x_num = date2num(x_date)
# if len(x_num) < 2:
# print "train data not enough"
# else:
# lq = LeastSquare(x_num, y_num, defaultOrder=4)
# y_pre = lq.predict(x_num)
#
#
## print x_num, y_num, y_pre
# bx = figure.add_subplot(212)
# bx.scatter(x_num, y_num)
# bx.plot(x_num, y_pre)
#
# x_test = arange(x_num[0],x_num[len(x_num)-1],0.1)
# y_test = lq.predict(x_test)
# bx.plot(x_test, y_test)
# print x_date
# print datestr2num(x_date)
#清空list下个循环再见
x_date = []
y_num = []
def plot_hourly(self, context, node_id, limits):
plt.yscale('log', basey=1000, subsy=range(100, 1000, 100))
plt.yticks([10**0, 10**3, 10**6, 10**9, 10**12, 10**15, 10**18],
['1 B', '1 KB', '1 MB', '1 GB', '1 TB', '1 PB', '1 EB'])
loc = AutoDateLocator(tz=pytz.timezone('US/Eastern'))
plt.gca().xaxis.set_major_locator(loc)
plt.gca().xaxis.set_major_formatter(AutoDateFormatter(loc))
plt.grid(b=True, axis='x')
plt.grid(b=True, axis='y', which='both')
plt.bar(*zip(*context.bytes_per_hour[node_id].items()),
color='#50a050',
linewidth=0,
width=1 / 24.,
label='total')
if 80 in context.bytes_per_port_per_hour[node_id]:
plt.bar(
*zip(*context.bytes_per_port_per_hour[node_id][80].items()),
color='#5050a0',
linewidth=0,
width=1 / 24.,
label='HTTP')
plt.xlabel('Time in EST/EDT')
plt.ylabel('Bytes transferred per hour')
plt.legend(prop=dict(size=10))
plt.ylim(bottom=1)
def plot_linechart(df, xcol, ycol, ax=None, title="", show_peak=True):
ax = df.plot(x=xcol,
y=[ycol],
title=title,
figsize=(8, 5),
grid=True,
ax=ax,
lw=3)
mn_l = DayLocator()
ax.xaxis.set_minor_locator(mn_l)
mj_l = AutoDateLocator()
mj_f = ConciseDateFormatter(mj_l, show_offset=False)
ax.xaxis.set_major_formatter(mj_f)
ax.legend(loc=2)
if show_peak:
# plot peak in agg
peakx = df[ycol].idxmax()
peak = df.loc[peakx]
peak_desc = peak[xcol].strftime("%d-%b") + "\n" + str(int(peak[ycol]))
_ = ax.annotate(peak_desc,
xy=(peak[xcol] + dt.timedelta(days=1), peak[ycol]),
xytext=(peak[xcol] + dt.timedelta(days=45),
peak[ycol] * .9),
arrowprops={},
bbox={'facecolor': 'white'})
_ = ax.axvline(x=peak[xcol], linewidth=1, color='r')
return ax
def display_inputdata(input_data, time_data=None, label=['']):
colorstyle = ['r', 'b', 'g', 'tan', 'k', 'y', 'm']
yearsFmt = DateFormatter('%Y-%m')
autodates = AutoDateLocator()
fig = plt.figure(figsize=(16, 12), dpi=160)
ax1 = fig.add_subplot(211)
fig.autofmt_xdate() #设置x轴时间外观
ax1.xaxis.set_major_locator(autodates) #设置时间间隔
ax1.xaxis.set_major_formatter(yearsFmt) #设置时间显示格式
plt.title('WaterQualite')
plt.grid(True)
plt.xlabel("year-month")
time_begin = datetime.datetime(1990, 1, 1)
time_end = datetime.datetime(2007, 12, 1)
plt.xlim(time_begin, time_end)
plt.ylabel("WaterQualite")
if time_data != None:
x = time_data
for i in range(np.shape(input_data)[0]):
y = np.array(input_data[i, :])[0]
plt.plot(x, y, colorstyle[i], linewidth=2.0, label=label[i])
plt.legend(loc="upper left", shadow=True)
plt.show()
def plot(df, df_prev, xlabel="ds", ylabel="y"):
from matplotlib import pyplot as plt
from matplotlib.dates import (
AutoDateLocator,
AutoDateFormatter,
)
fig = plt.figure(facecolor="w", figsize=(10, 6))
ax = fig.add_subplot(111)
fcst_t = pd.to_datetime(df["ds"])
ax.plot(pd.to_datetime(df_prev["ds"]), df_prev["y"], "k.")
ax.plot(fcst_t, df["yhat"], ls="-", c="#0072B2")
if "cap" in df:
ax.plot(fcst_t, df["cap"], ls="--", c="k")
if "floor" in df:
ax.plot(fcst_t, df["floor"], ls="--", c="k")
ax.fill_between(
fcst_t, df["yhat_lower"], df["yhat_upper"], color="#0072B2", alpha=0.2
)
locator = AutoDateLocator(interval_multiples=False)
formatter = AutoDateFormatter(locator)
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(formatter)
ax.grid(True, which="major", c="gray", ls="-", lw=1, alpha=0.2)
ax.set_xlabel(xlabel)
ax.set_ylabel(ylabel)
fig.tight_layout()
return fig
def showData(stock, predict):
data_time = [
datetime.strptime(d, "%Y%m%d").date() for d in stock["trade_date"]
]
# 配置时间坐标轴
plt.gca().xaxis.set_major_formatter(mdates.DateFormatter("%Y-%m-%d"))
plt.gca().xaxis.set_major_locator(AutoDateLocator()) # 时间间隔自动选取
# 绘制历史数据
plt.plot(data_time,
stock["low"].values,
label="low",
color="yellow",
lw=1.5)
plt.plot(data_time,
predicted[:, 0] * stock["low"][0],
label="predicted_low",
color="red",
lw=1.5)
plt.gcf().autofmt_xdate() # 自动旋转日期标记
# 绘图细节
plt.grid(True)
plt.axis("tight")
plt.xlabel("Time", size=20)
plt.ylabel("Price", size=20)
plt.title("Graph", size=20)
plt.legend(loc=0) # 添加图例
plt.show() # 显示画布
def __init__(self, parent=None):
super(SimpleViewer, self).__init__(parent)
self.setupUi(self)
self.figure = MplCanvas(self.centralwidget)
self.ax = None
self.ylim = (0, 0)
self.lfpfactor = 1
self.sleepstages = []
self.ts_start_nlx = None
self.ts_start_mpl = None
self.use_date = False
self.montage = None
self.positions = None
self.locator = AutoDateLocator()
self.formatter = FuncFormatter(fmtfunc)
self.offset = 150
self.setup_gui()
self.init_traces()
t1 = time()
self.init_h5man()
dt = time() - t1
debug('Init h5 took {:.1f} s'.format(dt))
self.setopts()
self.labelFolder.setText(os.path.split(os.getcwd())[1])
self.init_montages()
self.init_realtime()
self.display_sleep = None
if os.path.exists('sleepstages_clean.npy'):
self.display_sleep = np.load('sleepstages_clean.npy')
elif os.path.exists('sleepstages.npy'):
self.display_sleep = np.load('sleepstages.npy')
def plot(m, fcst, splitFlag, ax=None, uncertainty=True, plot_cap=True, xlabel='时间', ylabel='流量',
figsize=(10, 6)):
""" prophet 绘图 """
if ax is None:
fig = plt.figure(facecolor='w', figsize=figsize)
ax = fig.add_subplot(111)
else:
fig = ax.get_figure()
fcst_t = fcst['ds'].dt.to_pydatetime()
ax.plot(m.history['ds'].dt.to_pydatetime(), m.history['y'], 'k.')
# ax.plot(fcst_t, fcst['yhat'], ls='-', c='#0072B2')
ax.plot(fcst_t[0: -splitFlag], fcst['yhat'][0: -splitFlag], ls='-', c='#0072B2')
ax.plot(fcst_t[-splitFlag:], fcst['yhat'][-splitFlag:], ls='-', c='r')
if uncertainty:
ax.fill_between(fcst_t, fcst['yhat_lower'], fcst['yhat_upper'],
color='#0072B2', alpha=0.2)
# Specify formatting to workaround matplotlib issue #12925
locator = AutoDateLocator(interval_multiples=False)
formatter = AutoDateFormatter(locator)
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(formatter)
ax.grid(True, which='major', c='gray', ls='-', lw=1, alpha=0.2)
ax.set_xlabel(xlabel)
ax.set_ylabel(ylabel)
fig.tight_layout()
return fig
def plot_forecast_component(m, fcst, name, ax=None, uncertainty=True, plot_cap=False,
figsize=(10, 6), ylabel=""):
artists = []
if not ax:
fig = plt.figure(facecolor='w', figsize=figsize)
ax = fig.add_subplot(111)
fcst_t = fcst['ds'].dt.to_pydatetime()
artists += ax.plot(fcst_t, fcst[name], ls='-', c='#0072B2')
if 'cap' in fcst and plot_cap:
artists += ax.plot(fcst_t, fcst['cap'], ls='--', c='k')
if m.logistic_floor and 'floor' in fcst and plot_cap:
ax.plot(fcst_t, fcst['floor'], ls='--', c='k')
if uncertainty:
artists += [ax.fill_between(
fcst_t, fcst[name + '_lower'], fcst[name + '_upper'],
color='#0072B2', alpha=0.2)]
# Specify formatting to workaround matplotlib issue #12925
locator = AutoDateLocator(interval_multiples=False)
formatter = AutoDateFormatter(locator)
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(formatter)
ax.grid(True, which='major', c='gray', ls='-', lw=1, alpha=0.2)
ax.set_xlabel('时间')
ax.set_ylabel(name if ylabel == "" else ylabel)
if name in m.component_modes['multiplicative']:
ax = set_y_as_percent(ax)
return artists
def plot(
m,
fcst,
ax=None,
uncertainty=True,
plot_cap=True,
xlabel='ds',
ylabel='y',
figsize=(10, 6),
y_column='y',
):
"""Plot the Prophet forecast.
Parameters
----------
m: Prophet model.
fcst: pd.DataFrame output of m.predict.
ax: Optional matplotlib axes on which to plot.
uncertainty: Optional boolean to plot uncertainty intervals, which will
only be done if m.uncertainty_samples > 0.
plot_cap: Optional boolean indicating if the capacity should be shown
in the figure, if available.
xlabel: Optional label name on X-axis
ylabel: Optional label name on Y-axis
figsize: Optional tuple width, height in inches.
Returns
-------
A matplotlib figure.
"""
if ax is None:
fig = plt.figure(facecolor='w', figsize=figsize)
ax = fig.add_subplot(111)
else:
fig = ax.get_figure()
fcst_t = fcst['ds'].dt.to_pydatetime()
ax.plot(m.history['ds'].dt.to_pydatetime(), m.history[y_column], 'k.')
ax.plot(fcst_t, fcst['yhat'], ls='-', c='#0072B2')
if 'cap' in fcst and plot_cap:
ax.plot(fcst_t, fcst['cap'], ls='--', c='k')
if m.logistic_floor and 'floor' in fcst and plot_cap:
ax.plot(fcst_t, fcst['floor'], ls='--', c='k')
if uncertainty and m.uncertainty_samples:
ax.fill_between(fcst_t,
fcst['yhat_lower'],
fcst['yhat_upper'],
color='#0072B2',
alpha=0.2)
# Specify formatting to workaround matplotlib issue #12925
locator = AutoDateLocator(interval_multiples=False)
formatter = AutoDateFormatter(locator)
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(formatter)
ax.grid(True, which='major', c='gray', ls='-', lw=1, alpha=0.2)
ax.set_xlabel(xlabel)
ax.set_ylabel(ylabel)
fig.tight_layout()
return fig
def plot_column(self,
column,
region='',
state='',
city='',
ax=None,
data_source='Ministério da Saúde',
add_moving_average=False,
start_date=None,
end_date=None):
'''(String, String, String, String) -> None
Plota o gráfico de uma métrica em um local selecionado'''
if self.valid_col(column, data_source):
df = self.get_df(region, state, city, data_source, start_date,
end_date)
if not df.empty:
if ax is None:
fig = plt.figure(facecolor='w', figsize=(10, 6))
ax = fig.add_subplot(111)
show = True
else:
fig = ax.get_figure()
show = False
locator = AutoDateLocator(interval_multiples=False)
formatter = AutoDateFormatter(locator)
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(formatter)
ax.plot(df['date'],
df[column],
label='%s | %s' %
(self.correct_col_name[data_source][column],
self.format_location([region, state, city])))
if add_moving_average:
ax.plot(df['date'], df[column].expanding(min_periods=60).mean(), \
label='Média Móvel | %s | %s' % (self.correct_col_name[data_source][column], self.format_location( [region, state, city] ) ) )
if show:
fig.legend()
plt.show()
else:
self.messagebox.show_message(self.not_found_msg(
region, state, city),
type='Erro')
else:
valid_vals = [
k for k in self.correct_col_name[data_source] if k != 'date'
]
self.messagebox.show_message(
'''\nO nome %s não corresponde a uma coluna válida para dados do %s.
Os nomes válidos para colunas do conjunto atual são:\n- %s \n''' %
(data_source, column, '\n- '.join(valid_vals)))
def plot_states_and_var(data,
hidden_states,
cmap=None,
columns=None,
by='Activity'):
"""
Make a plot of the data and the states
Parameters
----------
data : pandas DataFrame
Data to plot
hidden_states: iteretable
the hidden states corresponding to the timesteps
columns : list, optional
Which columns to plot
by : str
The column to group on
"""
fig, ax = plt.subplots(figsize=(15, 5))
if columns is None:
columns = data.columns
df = data[columns].copy()
stateseq = np.array(hidden_states)
stateseq_norep, durations = rle(stateseq)
datamin, datamax = np.array(df).min(), np.array(df).max()
y = np.array([datamin, datamax])
maxstate = stateseq.max() + 1
x = np.hstack(([0], durations.cumsum()[:-1], [len(df.index) - 1]))
C = np.array([[float(state) / maxstate]
for state in stateseq_norep]).transpose()
ax.set_xlim((min(x), max(x)))
if cmap is None:
num_states = max(hidden_states) + 1
colormap, cmap = get_color_map(num_states)
pc = ax.pcolorfast(x, y, C, vmin=0, vmax=1, alpha=0.3, cmap=cmap)
plt.plot(df.as_matrix())
locator = AutoDateLocator()
locator.create_dummy_axis()
num_index = pd.Index(df.index.map(date2num))
ticks_num = locator.tick_values(min(df.index), max(df.index))
ticks = [num_index.get_loc(t) for t in ticks_num]
plt.xticks(ticks, df.index.strftime('%H:%M')[ticks], rotation='vertical')
cb = plt.colorbar(pc)
cb.set_ticks(np.arange(1. / (2 * cmap.N), 1, 1. / cmap.N))
cb.set_ticklabels(np.arange(0, cmap.N))
# Plot the activities
if by is not None:
actseq = np.array(data[by])
sca = ax.scatter(
np.arange(len(hidden_states)), #data.index,
np.ones_like(hidden_states) * datamax,
c=actseq,
edgecolors='none')
plt.show()
return fig, ax
def plot_trend(m,
ax=None,
plot_name="Trend",
figsize=(10, 6),
df_name="__df__"):
"""Make a barplot of the magnitudes of trend-changes.
Args:
m (NeuralProphet): fitted model.
ax (matplotlib axis): matplotlib Axes to plot on.
One will be created if this is not provided.
plot_name (str): Name of the plot Title.
figsize (tuple): width, height in inches. Ignored if ax is not None.
default: (10, 6)
df_name: name of dataframe to refer to data params from original list of train dataframes (used for local normalization in global modeling)
Returns:
a list of matplotlib artists
"""
artists = []
if not ax:
fig = plt.figure(facecolor="w", figsize=figsize)
ax = fig.add_subplot(111)
data_params = m.config_normalization.get_data_params(df_name)
t_start = data_params["ds"].shift
t_end = t_start + data_params["ds"].scale
if m.config_trend.n_changepoints == 0:
fcst_t = pd.Series([t_start, t_end]).dt.to_pydatetime()
trend_0 = m.model.bias.detach().numpy()
if m.config_trend.growth == "off":
trend_1 = trend_0
else:
trend_1 = trend_0 + m.model.trend_k0.detach().numpy()
data_params = m.config_normalization.get_data_params(df_name)
shift = data_params["y"].shift
scale = data_params["y"].scale
trend_0 = trend_0 * scale + shift
trend_1 = trend_1 * scale + shift
artists += ax.plot(fcst_t, [trend_0, trend_1], ls="-", c="#0072B2")
else:
days = pd.date_range(start=t_start, end=t_end, freq=m.data_freq)
df_y = pd.DataFrame({"ds": days})
df_trend = m.predict_trend(df={df_name: df_y})[df_name]
artists += ax.plot(df_y["ds"].dt.to_pydatetime(),
df_trend["trend"],
ls="-",
c="#0072B2")
# Specify formatting to workaround matplotlib issue #12925
locator = AutoDateLocator(interval_multiples=False)
formatter = AutoDateFormatter(locator)
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(formatter)
ax.grid(True, which="major", c="gray", ls="-", lw=1, alpha=0.2)
ax.set_xlabel("ds")
ax.set_ylabel(plot_name)
return artists
def manip_info(sessionName, quiet, line_to_print, var_to_plot):
"""
This function prints information about a session, and optionally
plot specified variables.
It can be accessed from the CLI tool ManipInfo
"""
if os.path.exists(sessionName + ".db"):
SavedAsyncSession(sessionName).print_description()
return
if sessionName.endswith(".hdf5"):
N = len(sessionName)
sessionName = sessionName[0:(N - 5)]
MI = Manip(sessionName).MI
if line_to_print is not None:
if line_to_print >= len(MI.log("t")):
print("Specified line is out of bound.")
sys.exit(1)
format_str = "{:>15} | {:>20}"
print("Printing saved values on line", line_to_print)
print(format_str.format("Variable", "Value"))
varlist = ["Time"]
varlist += MI.log_variable_list()
print("-" * 38)
for varname in varlist:
valtab = MI.log(varname)
if isinstance(valtab, (float, int)):
# might occur if only one line
print(format_str.format(varname, MI.log(varname)))
else:
print(
format_str.format(varname,
MI.log(varname)[line_to_print]))
elif not quiet:
MI.describe()
if var_to_plot is not None:
if var_to_plot in MI.log_variable_list():
t = epoch2num(MI.log("t"))
vardata = MI.log(var_to_plot)
fig = plt.figure()
xtick_locator = AutoDateLocator()
xtick_formatter = AutoDateFormatter(xtick_locator)
ax = plt.axes()
ax.xaxis.set_major_locator(xtick_locator)
ax.xaxis.set_major_formatter(xtick_formatter)
ax.plot(t, vardata, "o-")
plt.setp(ax.xaxis.get_majorticklabels(), rotation=70)
fig.subplots_adjust(bottom=0.2)
plt.ylabel(var_to_plot)
plt.title(sessionName)
plt.show()
else:
print("Variable", var_to_plot, "does not exist!")
sys.exit(1)
def showBtResult(d):
"""
显示回测结果
"""
name = d.get('name')
timeList = d['timeList']
pnlList = d['pnlList']
capitalList = d['capitalList']
drawdownList = d['drawdownList']
print(u'显示回测结果')
# 输出
if len(timeList) > 0:
print('-' * 30)
print(u'第一笔交易：\t%s' % d['timeList'][0])
print(u'最后一笔交易：\t%s' % d['timeList'][-1])
print(u'总交易次数：\t%s' % formatNumber(d['totalResult']))
print(u'总盈亏：\t%s' % formatNumber(d['capital']))
print(u'最大回撤: \t%s' % formatNumber(min(d['drawdownList'])))
print(u'平均每笔盈亏：\t%s' % formatNumber(d['capital'] / d['totalResult']))
print(u'平均每笔佣金：\t%s' %
formatNumber(d['totalCommission'] / d['totalResult']))
print(u'胜率\t\t%s%%' % formatNumber(d['winningRate']))
print(u'平均每笔盈利\t%s' % formatNumber(d['averageWinning']))
print(u'平均每笔亏损\t%s' % formatNumber(d['averageLosing']))
print(u'盈亏比：\t%s' % formatNumber(d['profitLossRatio']))
print(u'显示回测结果')
# 绘图
import matplotlib.pyplot as plt
from matplotlib.dates import AutoDateLocator, DateFormatter
autodates = AutoDateLocator()
yearsFmt = DateFormatter('%m-%d')
pCapital = plt.subplot(3, 1, 1)
pCapital.set_ylabel("capital")
pCapital.plot(timeList, capitalList)
plt.gcf().autofmt_xdate() #设置x轴时间外观
plt.gcf().subplots_adjust(bottom=0.1)
plt.gca().xaxis.set_major_locator(autodates) #设置时间间隔
plt.gca().xaxis.set_major_formatter(yearsFmt) #设置时间显示格式
pDD = plt.subplot(3, 1, 2)
pDD.set_ylabel("dd")
pDD.bar(range(len(drawdownList)), drawdownList)
pPnl = plt.subplot(3, 1, 3)
pPnl.set_ylabel("pnl")
pPnl.hist(pnlList, bins=20)
plt.subplots_adjust(bottom=0.05, hspace=0.3)
plt.show()
def draw_2(self, id):
data = libchart.get_chart_data(self.session,
self.dt_start,
self.dt_end,
[[id, datetime.timedelta()]],
daily=True)
x = []
y = []
for k, v in data.iteritems():
x.append(datetime.datetime.strptime(k, '%Y%m%d0000'))
if v[0] is None:
y.append(1)
else:
y.append(v[0])
fig = plt.figure(figsize=(400 / 80, 200 / 80))
ax = fig.add_subplot(1, 1, 1)
ax.bar(x, y, width=0.4, align='center', color='blue')
ax.grid(True, axis='y')
ax.set_ylim(0)
locator = AutoDateLocator()
formatter = AutoDateFormatter(locator)
formatter.scaled[(1.)] = '%m-%d'
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(formatter)
def yaxis_formatter(y, pos):
def r(i):
i = round(i, 2)
if i == int(i):
i = int(i)
return i
if y < 1e3:
return int(y)
elif y < 1e6:
return '%sK' % r(y / 1e3)
else:
return '%sM' % r(y / 1e6)
ax.yaxis.set_major_formatter(FuncFormatter(yaxis_formatter))
for tick in ax.xaxis.get_major_ticks():
tick.label1.set_size(9)
for tick in ax.yaxis.get_major_ticks():
tick.label1.set_size(9)
f = StringIO.StringIO()
fig.savefig(f)
plt.close()
f.seek(0)
return f
def plot_daily_linear(self, context, node_id, limits):
loc = AutoDateLocator(tz=pytz.timezone('US/Eastern'))
plt.gca().xaxis.set_major_locator(loc)
plt.gca().xaxis.set_major_formatter(AutoDateFormatter(loc))
plt.bar(*zip(*context.bytes_per_day[node_id].items()),
color='#50a050',
linewidth=0,
width=1)
plt.xlabel('Time in EST/EDT')
plt.ylabel('Bytes transferred per day')
plt.ylim(bottom=1)
def plot_forecast_component(m,
fcst,
name,
ax=None,
uncertainty=True,
plot_cap=False,
figsize=(10, 6)):
"""Plot a particular component of the forecast.
Parameters
----------
m: Prophet model.
fcst: pd.DataFrame output of m.predict.
name: Name of the component to plot.
ax: Optional matplotlib Axes to plot on.
uncertainty: Optional boolean to plot uncertainty intervals, which will
only be done if m.uncertainty_samples > 0.
plot_cap: Optional boolean indicating if the capacity should be shown
in the figure, if available.
figsize: Optional tuple width, height in inches.
Returns
-------
a list of matplotlib artists
"""
artists = []
if not ax:
fig = plt.figure(facecolor='w', figsize=figsize)
ax = fig.add_subplot(111)
fcst_t = fcst['ds'].dt.to_pydatetime()
artists += ax.plot(fcst_t, fcst[name], ls='-', c='#0072B2')
if 'cap' in fcst and plot_cap:
artists += ax.plot(fcst_t, fcst['cap'], ls='--', c='k')
if m.logistic_floor and 'floor' in fcst and plot_cap:
ax.plot(fcst_t, fcst['floor'], ls='--', c='k')
if uncertainty and m.uncertainty_samples:
artists += [
ax.fill_between(fcst_t,
fcst[name + '_lower'],
fcst[name + '_upper'],
color='#0072B2',
alpha=0.2)
]
# Specify formatting to workaround matplotlib issue #12925
locator = AutoDateLocator(interval_multiples=False)
formatter = AutoDateFormatter(locator)
ax.xaxis.set_major_locator(locator)
ax.xaxis.set_major_formatter(formatter)
ax.grid(True, which='major', c='gray', ls='-', lw=1, alpha=0.2)
ax.set_xlabel('ds')
ax.set_ylabel(name)
if name in m.component_modes['multiplicative']:
ax = set_y_as_percent(ax)
return artists
def print_mat():
fig1 = plt.figure()
ax1 = fig1.add_subplot(1, 1, 1)
ax1.xaxis.set_major_formatter(DateFormatter('%m-%d')) #设置时间标签显示格式
ax1.xaxis.set_major_locator(AutoDateLocator()) #设置x轴自动时间刻度
ax1.yaxis.set_major_locator(AutoLocator()) #设置y轴自动刻度
plt.plot(Date, Open, label="Open", color="red")
plt.plot(Date, Close, label="Close", color="blue")
plt.title(u"抓取特斯拉股票历史开盘、收盘价格", fontproperties=font)
plt.xlabel("时间", fontproperties=font)
plt.legend()
plt.show()