def Evaluate_old(listtuple_pred_true_text, ignoreMinusOne=False):
preds = []
trues = []
new_listtuple_pred_true_text = []
totalwords = 0
for pred_true_text in listtuple_pred_true_text:
if str(pred_true_text[1]) == '-1' and ignoreMinusOne == True:
continue
preds.append(pred_true_text[0])
trues.append(pred_true_text[1])
new_listtuple_pred_true_text.append(
[pred_true_text[0], pred_true_text[1], pred_true_text[2]])
totalwords += len(pred_true_text[2])
# print(pred_true_text[2], totalwords)
print("evaluate total texts=" + str(len(new_listtuple_pred_true_text)))
score = metrics.homogeneity_score(trues, preds)
print("homogeneity_score-whole-data: %0.8f" % score)
score = metrics.completeness_score(trues, preds)
print("completeness_score-whole-data: %0.8f" % score)
score = metrics.v_measure_score(trues, preds)
print("v_measure_score-whole-data: %0.8f" % score)
score = metrics.normalized_mutual_info_score(trues,
preds,
average_method='arithmetic')
print("nmi_score-whole-data: %0.8f" % score)
# score=metrics.adjusted_mutual_info_score(trues, preds)
# print ("adjusted_mutual_info_score-whole-data: %0.4f" % score)
# score=metrics.adjusted_rand_score(trues, preds)
# print ("adjusted_rand_score-whole-data: %0.4f" % score)
dic_tupple_class = groupItemsBySingleKeyIndex(new_listtuple_pred_true_text,
0) # before 0
dic_tupple_class_true = groupItemsBySingleKeyIndex(
new_listtuple_pred_true_text, 1) # before 1
print("pred clusters=" + str(len(dic_tupple_class)) + ", true clusters=" +
str(len(dic_tupple_class_true)))
ComputePurity(dic_tupple_class)
li = [
len(dic_tupple_class_true[x]) for x in dic_tupple_class_true
if isinstance(dic_tupple_class_true[x], list)
]
print('min', min(li), 'max', max(li), 'median', statistics.median(li),
'avg', statistics.mean(li), 'std', statistics.stdev(li), 'sum of li',
sum(li))
print('avg words per text', totalwords / len(new_listtuple_pred_true_text),
'totalwords', totalwords, '#texts',
len(new_listtuple_pred_true_text))
'''print("---Pred distribution")
def Evaluate(listtuple_pred_true_text):
print("evaluate total texts=" + str(len(listtuple_pred_true_text)))
preds = []
trues = []
for pred_true_text in listtuple_pred_true_text:
preds.append(pred_true_text[0])
trues.append(pred_true_text[1])
score = metrics.homogeneity_score(trues, preds)
print("homogeneity_score-whole-data: %0.8f" % score)
score = metrics.completeness_score(trues, preds)
print("completeness_score-whole-data: %0.8f" % score)
#score=metrics.v_measure_score(trues, preds)
#print ("v_measure_score-whole-data: %0.4f" % score)
score = metrics.normalized_mutual_info_score(trues,
preds,
average_method='arithmetic')
print("nmi_score-whole-data: %0.8f" % score)
#score=metrics.adjusted_mutual_info_score(trues, preds)
#print ("adjusted_mutual_info_score-whole-data: %0.4f" % score)
#score=metrics.adjusted_rand_score(trues, preds)
#print ("adjusted_rand_score-whole-data: %0.4f" % score)
dic_tupple_class = groupItemsBySingleKeyIndex(listtuple_pred_true_text, 0)
dic_tupple_class_true = groupItemsBySingleKeyIndex(
listtuple_pred_true_text, 1)
print("pred clusters=" + str(len(dic_tupple_class)) + ", true clusters=" +
str(len(dic_tupple_class_true)))
ComputePurity(dic_tupple_class)
'''print("---Pred distribution")
def ComputePurity(dic_tupple_class, groupByIndex=1):
totalItems = 0
maxGroupSizeSum = 0
for label, pred_true_txts in dic_tupple_class.items():
totalItems = totalItems + len(pred_true_txts)
# print("pred label="+label+", #texts="+str(len(pred_true_txts)))
dic_tupple_class_originalLabel = groupItemsBySingleKeyIndex(
pred_true_txts, groupByIndex)
maxMemInGroupSize = -1000000
maxMemOriginalLabel = ""
for orgLabel, org_pred_true_txts in dic_tupple_class_originalLabel.items(
):
# print("orgLabel label="+orgLabel+", #texts="+str(len(org_pred_true_txts)))
if maxMemInGroupSize < len(org_pred_true_txts):
maxMemInGroupSize = len(org_pred_true_txts)
maxMemOriginalLabel = orgLabel
# print("\n")
# print(str(label)+" purity="+str(maxMemInGroupSize/len(pred_true_txts))+", items="+str(len(pred_true_txts))+", max match#="+str(maxMemInGroupSize))
# print_by_group(pred_true_txts)
maxGroupSizeSum = maxGroupSizeSum + maxMemInGroupSize
purity = maxGroupSizeSum / float(totalItems)
print("acc majority whole data=" + str(purity))
return purity
def populateClusterReps(all_global, wordVectorsDic, embedDim):
dic_cluster_rep_words = {}
dic_cluster_rep_vec = {}
dic_tupple_class = groupItemsBySingleKeyIndex(all_global, 0)
for predKey, items in dic_tupple_class.items():
clus_words = []
#can filter some words using word entropy based on clus distributions.
for item in items:
words = item[2]
clus_words.extend(words)
dic_word_counts = Counter(clus_words)
wordCounts = dic_word_counts.values()
mean = 0
if len(wordCounts) >= 1:
mean = statistics.mean(wordCounts)
std = mean
if len(wordCounts) >= 2:
std = statistics.stdev(wordCounts)
dic_word_counts_filtered = {}
for key, counts in dic_word_counts.items():
if counts > mean + std:
dic_word_counts_filtered[key] = counts
if len(dic_word_counts_filtered) <= 2:
dic_word_counts_filtered = {}
for key, counts in dic_word_counts.items():
if counts > 1:
dic_word_counts_filtered[key] = counts
#if len(dic_word_counts_filtered)<=2:
# dic_word_counts_filtered={}
# for key, counts in dic_word_counts.items():
# dic_word_counts_filtered[key]=counts
clus_words = list(dic_word_counts_filtered.keys())
clus_word_counts = list(dic_word_counts_filtered.values())
cent_Vec_words = generate_sent_vecs_toktextdata([clus_words],
wordVectorsDic,
embedDim)[0]
dic_cluster_rep_words[predKey] = [
dic_word_counts_filtered,
sum(clus_word_counts)
]
dic_cluster_rep_vec[predKey] = cent_Vec_words
#print(dic_cluster_rep_words[predKey])
#print(dic_cluster_rep_vec[predKey])
return [dic_cluster_rep_words, dic_cluster_rep_vec]
def RenameTrueLabel(pred_true_texts,startTrueSeed, startIdSeed):
lastTrueLabel=startTrueSeed
lastId=startIdSeed
renamed_pred_true_texts=[]
dic_group = groupItemsBySingleKeyIndex(pred_true_texts,1)
groupsLen=len(dic_group)
#print(groupsLen)
for trueLabel, items_pred_true_text in dic_group.items():
lastTrueLabel=lastTrueLabel+1
for item_pred_true_text in items_pred_true_text:
lastId=lastId+1
renamed_pred_true_texts.append([str(lastId).zfill(6), str(lastTrueLabel), item_pred_true_text[2]])
return [lastTrueLabel, lastId, renamed_pred_true_texts]
def clusterByWordEmbeddingIntelligent(list_pred_true_text_ind_prevind,
wordVectorsDic):
print("pred_mstreams")
printClusterEvaluation_list(list_pred_true_text_ind_prevind)
dic_itemGroups = groupItemsBySingleKeyIndex(
list_pred_true_text_ind_prevind, 0)
pred_clusters = int(len(dic_itemGroups) /
1.0) #needs to be determined carefully
dic_group_sizes = [
len(dic_itemGroups[x]) for x in dic_itemGroups
if isinstance(dic_itemGroups[x], list)
]
print(dic_group_sizes)
print("#clusters=" + str(pred_clusters))
nparr = np.array(list_pred_true_text_ind_prevind)
preds = list(nparr[:, 0])
trues = list(nparr[:, 1])
word_arr = list(nparr[:, 2])
inds = list(nparr[:, 3])
X = generate_sent_vecs_toktextdata(word_arr, wordVectorsDic, 300)
#X=generate_sent_vecs_toktextdata_autoencoder(word_arr, wordVectorsDic, 300, pred_clusters)
svd = TruncatedSVD(50)
#svd = PCA(n_components=50)
normalizer = Normalizer(copy=False)
lsa = make_pipeline(svd, normalizer)
#X=X.toarray()
X = lsa.fit_transform(X)
ward = AgglomerativeClustering(n_clusters=pred_clusters,
linkage='ward').fit(X)
list_hr_pred_true_text = combine_pred_true_txt_from_list(
ward.labels_, trues, word_arr)
print("hr-ward")
printClusterEvaluation_list(list_hr_pred_true_text)
clustering = SpectralClustering(n_clusters=pred_clusters,
assign_labels="discretize",
random_state=0).fit(X)
list_sp_pred_true_text = combine_pred_true_txt_from_list(
clustering.labels_, trues, word_arr)
print("spectral")
printClusterEvaluation_list(list_sp_pred_true_text)
def Evaluate_old(listtuple_pred_true_text, ignoreMinusOne=False):
preds = []
trues = []
new_listtuple_pred_true_text = []
totalwords = 0
for pred_true_text in listtuple_pred_true_text:
if str(pred_true_text[1]) == '-1' and ignoreMinusOne:
continue
preds.append(pred_true_text[0])
trues.append(pred_true_text[1])
new_listtuple_pred_true_text.append(
[pred_true_text[0], pred_true_text[1], pred_true_text[2]])
totalwords += len(pred_true_text[2])
# print(pred_true_text[2], totalwords)
print("evaluate total texts=" + str(len(new_listtuple_pred_true_text)))
score = metrics.homogeneity_score(trues, preds)
print("homogeneity_score-whole-data: %0.8f" % score)
score = metrics.completeness_score(trues, preds)
print("completeness_score-whole-data: %0.8f" % score)
score = metrics.v_measure_score(trues, preds)
print("v_measure_score-whole-data: %0.8f" % score)
score = metrics.normalized_mutual_info_score(trues,
preds,
average_method='arithmetic')
print("nmi_score-whole-data: %0.8f" % score)
# score=metrics.adjusted_mutual_info_score(trues, preds)
# print ("adjusted_mutual_info_score-whole-data: %0.4f" % score)
# score=metrics.adjusted_rand_score(trues, preds)
# print ("adjusted_rand_score-whole-data: %0.4f" % score)
dic_tupple_class = groupItemsBySingleKeyIndex(new_listtuple_pred_true_text,
0) # before 0
dic_tupple_class_true = groupItemsBySingleKeyIndex(
new_listtuple_pred_true_text, 1) # before 1
print("pred clusters=" + str(len(dic_tupple_class)) + ", true clusters=" +
str(len(dic_tupple_class_true)))
ComputePurity(dic_tupple_class)
print('wrong:avg words per text',
totalwords / len(new_listtuple_pred_true_text), 'totalwords',
totalwords, '#texts', len(new_listtuple_pred_true_text))
keysByLength = sorted(dic_tupple_class,
key=lambda key: len(dic_tupple_class[key]),
reverse=True)
li = []
for key in keysByLength:
print('clusterid=', key, '#items', len(dic_tupple_class[key]))
li.append(len(dic_tupple_class[key]))
print('2nd:min', min(li), 'max', max(li), 'median', statistics.median(li),
'avg', statistics.mean(li), 'std', statistics.stdev(li), 'sum of li',
sum(li))
def print_by_group(listtuple_pred_true_text, grIndex):
dic_tupple_class=groupItemsBySingleKeyIndex(listtuple_pred_true_text, grIndex)
for label, pred_true_txts in sorted(dic_tupple_class.items()):
Print_list_pred_true_text(pred_true_txts)
print("total groups=", len(dic_tupple_class))
#from general_util import Print_list_pred_true_text
gloveFile = "/home/owner/PhD/dr.norbert/dataset/shorttext/glove.42B.300d/glove.42B.300d.txt"
listtuple_pred_true_text = ReadPredTrueText("result/batchId_PredTrueText1")
newList = []
i = -1
for pred_true_text in listtuple_pred_true_text:
i = i + 1
newList.append(pred_true_text + [i, i])
listtuple_pred_true_text = newList
listtuple_pred_true_text = RemoveHighClusterEntropyWordsIndex(
listtuple_pred_true_text)
dic_tupple_class = groupItemsBySingleKeyIndex(listtuple_pred_true_text, 0)
#wordVectorsDic = extractAllWordVecs(gloveFile, 300)
for label, cluster_pred_true_txt_inds in dic_tupple_class.items():
_components, newPred_OldPred_true_text_inds = clusterByConnectedComponentIndex(
cluster_pred_true_txt_inds)
#print(_components, newPred_OldPred_true_text_inds)
dic_new_tupple_class = groupItemsBySingleKeyIndex(
newPred_OldPred_true_text_inds, 0)
for newLabel, cluster_newPred_OldPred_true_text_inds in dic_new_tupple_class.items(
):
print("newLabel", newLabel)
#print_by_group(cluster_newPred_OldPred_true_text_inds)
break
# if h_count > max_hit:
# break
# if h_count > max_hit:
# break
if cluscount > 1000:
break
if not found:
print('not\t' + str(h_count) + '\t' + str(test_oCPost.soPostId) + '\t' + str(test_oCPost.tagWords)+'\t'+str(test_oCPost.trueLabel))
listtuple_pred_true_text = ReadPredTrueText(clusterWriterFile)
dic_tupple_class = groupItemsBySingleKeyIndex(listtuple_pred_true_text, 0) # before 0
# print(dic_tupple_class)
dic_term_clusterIds, dic_cluster_ftrs, dic_cluster_size = createTermToClsuetrId(dic_tupple_class)
#############test
test_list_CPost = readStackOverflowDataSetTagTitleBody(testFile)
# print(test_list_CPost)
for oCPost in test_list_CPost:
terms = oCPost.tagWords
test_term_dict = Counter(terms)
test_term_size = len(terms)