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(gè)數(shù)據(jù)幀的行,并返回(索引、序列)對(duì)。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(gè)數(shù)據(jù)幀的行,并返回(索引、序列)對(duì)。
import numpy as np
import pandas as pd
defmap(data,exp):
~熊貓.DataFrame.iterrowsDataFrame. iterows()遍歷整個(gè)數(shù)據(jù)幀的行并返回(索引,序列)對(duì)。importnumpyansnpimportpandasaspddefmap(data,exp):對(duì)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(duì)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(cè)向lambdaele:標(biāo)高1)資源數(shù)據(jù)=pd.數(shù)據(jù)幀(u2級(jí)列表轉(zhuǎn)換為數(shù)據(jù)幀u2數(shù)據(jù))