[英]How subtract group columns values in python pandas?
products.groupby(["Product Category"])[["Product Cost","Selling Cost"]].sum()
如何找到销售保证金?
您可以使用assign
来引用链中的列
(products
.groupby(["Product Category"])[["Product Cost","Selling Cost"]]
.sum()
.assign(margin = lambda x: x['Selling Cost'] - x['Product Cost']))
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