[英]Python Dataframe list of lists of dataframes into a single dataframe
I have a big list consisting of 39 sublists.我有一个包含 39 个子列表的大列表。 Each sublist has many dataframes.每个子列表都有许多数据框。 Now, I want to convert them into a single dataframe.现在,我想将它们转换为单个 dataframe。
My code:我的代码:
append_data = [[Dataframe,...][Dataframe,...]]
combined_csv = pd.concat(append_data)
Present output:目前output:
raise TypeError(msg)
TypeError: cannot concatenate object of type "<class 'list'>"; only pd.Series, pd.DataFrame, and pd.Panel (deprecated) objs are valid
You can do two concat
你可以做两个concat
pd.concat(pd.concat(x) for x in append_data )
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