def run(self, realtime_map='n', save='y', **arg):
from kernel import clustering
from plot_module import plot_map
from gmode_module import stats, cov, free
if len(arg) == 0:
q1 = self.q1
grid = self.grid
ulim = self.ulim
mlim = self.mlim
else:
q1 = arg['q1']
grid = arg['grid']
ulim = arg['ulim']
mlim = arg['mlim']
if save == 'y': self.load(**arg)
print(q1, mlim, ulim) #30/free(Rt))
#################################################
design = copy(self.design)
elems = copy(self.elems)
#errs.extend(self.errs)
indexs = copy(self.indexs)
t0 = time() # Start counting procedure time
N=len(elems) # Sample size
M=len(elems[0]) # Variable size
##################################################
ctt, devt, St, r2t = stats(elems)
#Se = cov(self.errs/devt, zeros(M), 1e0)
#mlim = (mlim**2) * Se
mlim = matrix(diagflat(mlim*ones(ctt.size)))
################# START REPORT #################
#print('mlim: ',sqrt(diagonal(mlim)))
#print('Se: ',sqrt(diagonal(Se)))
clusters_report =["Clump N median st. dev."]
report = deque([" Sample size: "+str(N)+" Variable size: "+str(M)])
report.append(" S.D.: "+str(devt))
report.append("Upper Limit: "+str(ulim))
report.append(" Minimum Deviation: "+str(diagonal(mlim)))
report.append(" Confidence level q1: "+str(normal.cdf(q1) - normal.cdf(-q1)))
report.append('grid: '+str(grid)+" --> "+str(grid**(M)))
excluded = deque()
failed_seed = deque()
cluster_members = deque()
cluster_stats = deque()
n_failedseeds = 0
if realtime_map == 'y': plot_map(0, [], [], elems, q1, [], [], self.label)
report.append('############################ Part I : Recognize Clusters and Classify ################################## \n ')
################### Cluster Recognition #################
Nc = 0
while Nc == 0 or N >= (M - 1):
Nc+=1
report.append('#################################### Clump '+str(Nc)+' ######################################### \n ')
cluster, seed, report, freedom = clustering(q1, ulim, mlim, grid, design, elems/devt, report) # whitten happenning here
Na = len(cluster)
if Na > 2 and freedom >= 30:
#press = raw_input("press enter")
# Save cluster member indexes
cluster_members.append(indexs[cluster])
# save cluster statistics
cluster_stats.append(stats(elems[cluster]))
# Exclude group members from the sample:
elems = delete(elems, cluster, 0)
design = delete(design, cluster, 0)
indexs = delete(indexs, cluster, 0)
if realtime_map == 'y':
print(Nc, "Seed size: ",len(seed),'Na= ',Na,' N= ',N,' f= ',freedom)
try:
plot_map(Nc, cluster, seed, elems, q1, cluster_stats[-1][0], cluster_stats[-1][2], self.label)
except IndexError:
pass
# appending into logs
report.append("\nC.T.: "+l_to_s(cluster_stats[-1][0])+"\nS.D.: "+l_to_s(cluster_stats[-1][1])+ \
"\nSize: "+str(Na)+" Left: "+str(N)+"\nCov. Matrix: \n"+str(cluster_stats[-1][2])+"\n")
clusters_report.append(str(Nc)+3*" "+str(Na)+3*" "+l_to_s(cluster_stats[-1][0])+3*" "+l_to_s(cluster_stats[-1][1]))
else:
Nc-=1
# Exclude clump members from the sample:
if len(seed) > 2 and Na > 2: # Has initial seed and members.
report.append("Failed Clump: "+l_to_s(design[cluster])) #map(lambda i: design[i], cluster)))
failed_seed.append(set(indexs[cluster])) #map(lambda i: indexs[i], cluster))
n_failedseeds = n_failedseeds + len(cluster)
elems = delete(elems, cluster, 0)
design = delete(design, cluster, 0)
indexs = delete(indexs, cluster, 0)
elif len(seed) > 2 and Na < 3: # Has initial seed but no members.
report.append("Failed Seed: "+l_to_s(design[seed]))
failed_seed.append(set(indexs[seed]))
n_failedseeds = n_failedseeds + len(cluster)
elems = delete(elems, seed, 0)
design = delete(design, seed, 0)
indexs = delete(indexs, seed, 0)
elif len(seed) < 3: # It does not have initial seed.
break
N = len(indexs)
excluded.extend(indexs)
report.append("######################### Excluded ###############################")
report.append("Excluded Sample Size: "+str(len(excluded)))
report.append("Failed Seeds: "+str(n_failedseeds))
print("Number of Clusters: ", len(cluster_stats))
print("Excluded Sample Size: ",len(excluded))
print("Failed Seeds: ",len(failed_seed))
# Setting in self
self.t0 = t0
# logs
self.report = report
self.clusters_report = clusters_report
# python objects
self.cluster_members = cluster_members
self.cluster_stats = cluster_stats
self.excluded = excluded
self.failed_seed = failed_seed
# Robustness
self.robustness()
print("Robustness: ", self.robust)
report.append("Robustness: "+str(self.robust))
def clustering(q1, ulim, mlim, grid, design, data, report):
''' Iterative procedure of clustering'''
N = data.shape[0] # Sample Size
M = data.shape[1] # Variable size
#________________________________Barycenter______________________________________
seed = barycenter_density(data, grid, amax(data, axis=0), amin(data, axis=0), sqrt(mlim) )#nmin=int(2*grid*30/M))
#seed = barycenter_hist(grid, design, data)
if len(seed) > 2:
report.append("Barycenter: "+l_to_s(design[seed])) # map(lambda j: design[j], seed)))
#print("Barycenter: "+l_to_s(map(lambda j: design[j], seed)))
Na = len(seed)
cluster = list(seed)
else:
return [], seed, report, 0.0
# ______________________________CLASSIFICATION__________________________________
i = 0
f_rec = deque()
cluster = seed
index = range(N)
while (i == 0 or cluster[:] != cluster_prior[:]) and i < 30 and Na > 2:
# *c --> cluster statistics
ct, std, S, r2 = stats(data[cluster])
# Replace lower deviations than minimal limit:
if i == 0 and any(S < mlim):
S = mlim
std = sqrt(diagonal(S))
iS = Invert(S)
f = free(r2)
cluster_prior = cluster
#f_rec.append(f)
#f_ = min(f_rec)
# Once upper limit is reached the iteration is haulted.
if ulim < 1e0 and any(std >= ulim):
return cluster, seed, report, Na*f
report.append("Run "+str(i)+" Size: "+str(Na)+" S.D.: "+l_to_s(arround(std, 3))+"\nf: "+str(f)+"\n")
# G hypothesis test:
if i == 0 or Na*f >= 30:
cluster = filter(lambda x: x != None, \
imap(lambda ind, y: hyp_test(Na,q1,f,ind,y,ct,iS), index, data))
else:
return cluster, seed, report, Na*f
Na = len(cluster)
# Discreetly increase std. until the seed start growing by itself.
#if i == 0 and Na <= Na_prior:
# S = S + mlim
# std = sqrt(diagonal(S))
#else:
i += 1
return cluster, seed, report, Na*f