Python3 Pandas DataFrame 对某一列求和

原創 妈哒好气哦 2020-07-02 12:19

Python3 Pandas DataFrame 对某一列求和

在操作pandas的DataFrame的时候，常常会遇到某些列是字符串，某一些列是数值的情况，如果直接使用df_obj.apply(sum)往往会出错
使用如下方式即可对其中某一列进行求和

dataf_test1['diff'].sum()  // diff为要求和的列
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