浅谈python的dataframe与series的创建方法
如下所示:
#-*-coding:utf-8-*- importnumpyasnp importpandasaspd defmain(): s=pd.Series([i*2foriinrange(1,11)]) printtype(s) print(s) dates=pd.date_range("20170301",periods=8) df=pd.DataFrame(np.random.randn(8,5),index=dates,columns=list("ABCDE")) printdf if__name__=='__main__': main()
结果如下:
D:\Anaconda2\python.exeE:/pypractice/DataAnalysis/pandasTest.py02 14 26 38 410 512 614 716 818 920 dtype:int64 ABCDE 2017-03-01-0.746429-0.5408361.8841010.607853-0.367707 2017-03-021.172848-0.4825830.175146-0.181268-1.304475 2017-03-03-0.4166641.7849681.767710-1.157681-0.909744 2017-03-04-0.830197-0.2824510.5437640.9008770.553631 2017-03-05-0.614170-0.3713060.553044-0.0549031.322286 2017-03-060.276449-0.815241-0.6875300.514781-0.823963 2017-03-070.9393060.494661-0.342454-0.125811-1.555909 2017-03-080.2048520.006475-0.6250821.0129850.447710 Processfinishedwithexitcode0
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