当我尝试合并两个数据框时,
items_and_item_categories = items.drop(columns=["item_name"]).merge(item_categories.drop(columns=["item_category_name", "big_category_name", "sub_category_name"]))
有错误:
KeyError:“在轴中找不到[['big_category_name''sub_category_name']””
我也遇到了相同的错误:
test = test.drop("ID", axis = 1)
test.insert(0, "date_block_num", 34)
KeyError:“在轴中找不到[[ID]]”