jshapen Asked:2020-09-11 17:43:12 +0000 UTC2020-09-11 17:43:12 +0000 UTC 2020-09-11 17:43:12 +0000 UTC 创建一个新的数据框 772 有两个数据框 df1['a'],df1['b'],df1['c'],df1['d'] df2['a'],df2['b'],df2['c'],df2['d'] 如何使用数据创建新列 df1['新] 将在其中取值 df1['a']/df2['a'] df1['b']/df2['b'] df1['c']/df2['c'] df1['d']/df2['d'] 并选择它们的最大值？ python 1 个回答 Voted Best Answer MaxU - stop genocide of UA 2020-09-11T17:53:04Z2020-09-11T17:53:04Z 像这样的东西： cols = ["a", "b", "c", "d"] df1["new"] = (df1[cols] / df2[cols]).max(axis=1)
像这样的东西：