读取excel
excel 格式
excel.py
# -*- coding: utf-8 -*- import xdrlib ,sys import xlrd import json def open_excel(file= '/home/lhy/data/data.xlsx'): try: data = xlrd.open_workbook(file) return data except Exception,e: print str(e) #根据索引获取Excel表格中的数据 参数:file:Excel文件路径 colnameindex:表头列名所在行的所以 ,by_index:表的索引 def excel_table_byindex(file= '/home/lhy/data/data.xlsx',colnameindex=0,by_index=0): data = open_excel(file) table = data.sheets()[by_index] nrows = table.nrows #行数 ncols = table.ncols #列数 colnames = table.row_values(colnameindex) #某一行数据 list =[] for rownum in range(1,nrows): row = table.row_values(rownum) if row: app = {} for i in range(len(colnames)): app[colnames[i]] = row[i] list.append(app) return list #根据名称获取Excel表格中的数据 参数:file:Excel文件路径 colnameindex:表头列名所在行的所以 ,by_name:Sheet1名称 #def excel_table_byname(file= '/home/lhy/data/data.xlsx',colnameindex=0,by_name=u'Sheet1'): def excel_table_byname(file='/home/lhy/data/data.xlsx', colnameindex=0, by_name=u'word'): data = open_excel(file) table = data.sheet_by_name(by_name) nrows = table.nrows #行数 colnames = table.row_values(colnameindex) #某一行数据 list =[] for rownum in range(1,nrows): row = table.row_values(rownum) if row: app = {} for i in range(len(colnames)): app[colnames[i]] = row[i] list.append(app) return list def main(): tables = excel_table_byindex() for row in tables: '''print row.decode('utf-8')''' wenti=row[u'问题'] # wenti=wenti[1:len(wenti)-1] print json.dumps(wenti, encoding="UTF-8", ensure_ascii=False) #print type(row) # tables = excel_table_byname() # for row in tables: # print row if __name__=="__main__": main()
分词
TextFenci.py
# -*- coding: UTF-8 -*- import jieba.posseg as pseg import excel import json def getWordXL(): #words=pseg.cut("对这句话进行分词") list=excel.excel_table_byindex(); aList = [] for index in range(len(list)): wenti = list[index][u'问题'] words = pseg.cut(wenti) word_str="" for key in words: #aList.insert()import json # print type(key) word_str=word_str+key.word+" " # print key.word," ", aList.insert(index,word_str) return aList,list #第一个参数为分词结果,第儿歌参数为原始文档 def main(): aList=getWordXL() print "1234" print json.dumps(aList, encoding="UTF-8", ensure_ascii=False) if __name__=="__main__": main()
TF_IDF 权重生成
TF_IDF.py
# -*- coding: UTF-8 -*- import jieba.posseg as pseg import excel import json def getWordXL(): #words=pseg.cut("对这句话进行分词") list=excel.excel_table_byindex(); aList = [] for index in range(len(list)): wenti = list[index][u'问题'] words = pseg.cut(wenti) word_str="" for key in words: #aList.insert()import json # print type(key) word_str=word_str+key.word+" " # print key.word," ", aList.insert(index,word_str) return aList,list #第一个参数为分词结果,第儿歌参数为原始文档 def main(): aList=getWordXL() print "1234" print json.dumps(aList, encoding="UTF-8", ensure_ascii=False) if __name__=="__main__": main()
k-means 聚类
KMeans.py
# -*- coding: utf-8 -*- from sklearn.cluster import KMeans import TF_IDF import json,sys reload(sys) sys.setdefaultencoding('utf-8') weight, textList = TF_IDF.getTFIDF() def getCU(leibieNum): LEIBI=leibieNum #100个类别 #print "####################Start Kmeans:分成"+str(LEIBI)+"个类" clf = KMeans(n_clusters=LEIBI) s = clf.fit(weight) #print s # 20个中心点 #print(clf.cluster_centers_) # 每个样本所属的簇 #print(clf.labels_) i = 1 textFencuList=[] for i in range(0,LEIBI): textFencu2=[] textFencuList.append(textFencu2) for i in range(len(clf.labels_)): try: textFencuList[clf.labels_[i - 1]].append(textList[i]) except Exception, e: print "#######错误:"+str(clf.labels_[i - 1])+" "+str(i) fo = open("/home/lhy/data/wbjl.txt", "wb") for index in range(len(textFencuList)): fo.write("\n#############################第"+str(index)+"个分类##################\n"); # 写入文件 print "" print "#############################第"+str(index)+"个分类##################"; print "" for ab in textFencuList[index]: thisword=json.dumps(ab, encoding="UTF-8", ensure_ascii=False) #thisword = json.dumps(ab) fo.write(thisword + "\n") # 写入文件 print thisword fo.close(); # 用来评估簇的个数是否合适,距离越小说明簇分的越好,选取临界点的簇个数 print("############评估因子大小,用来评估簇的个数是否合适,距离越小说明簇分的越好,选取临界点的簇个数:类别"+str(LEIBI)+" 因子"+str(clf.inertia_)) getCU(300) '''for index in range(100,1000,10): getCU(index) '''
时间: 2024-10-31 12:27:21