pandas循環(huán)遍歷 pandas循環(huán)遍歷出所有列?
pandas循環(huán)遍歷出所有列? 熊貓.DataFrame.iterrows DataFrame.ItErrors文件()迭代整個數(shù)據(jù)幀的行,并返回(索引、序列)對。import numpy as np
pandas循環(huán)遍歷出所有列?
熊貓.DataFrame.iterrows
DataFrame.ItErrors文件()
迭代整個數(shù)據(jù)幀的行,并返回(索引、序列)對。
import numpy as np
import pandas as pd
defmap(data,exp):
~熊貓.DataFrame.iterrowsDataFrame. iterows()遍歷整個數(shù)據(jù)幀的行并返回(索引,序列)對。importnumpyansnpimportpandasaspddefmap(data,exp):對于索引rowindata.it箭頭():#獲取每行的索引和rowforcol#nameindata.columns列:row[coluName]=exp(row[coluReturnDataDefu1Map(data,exp)返回結(jié)果):uData=[[exp(row[coluConvert the result to level 2 listforcolunameindata.columns列]對于索引rowindata.it箭頭()]返回udataifuuuuuu nameuuuuuu==“uuuuuuu主”:inp=[{“c1”:10,“c2”:100},{“c1”:11,“c2”:110},{“c1”:12,“c2”:120}]df=pd.數(shù)據(jù)幀(inp)溫度=map(dflambdaele:標(biāo)高1)printtempuTemp=u1Map(測向lambdaele:標(biāo)高1)資源數(shù)據(jù)=pd.數(shù)據(jù)幀(u2級列表轉(zhuǎn)換為dataframeprintsudata
pandas怎樣對數(shù)據(jù)進(jìn)行遍歷?
如果是標(biāo)準(zhǔn)的表結(jié)構(gòu),可以直接調(diào)用panda包。如果表結(jié)構(gòu)不是常規(guī)的數(shù)據(jù)表結(jié)構(gòu),則使用openyxl包查找規(guī)則,根據(jù)人名的單元格規(guī)則寫入for循環(huán),輸出到panda的dataframe中,然后導(dǎo)出到CSV