how to merge two dataframes
df_merge_col = pd.merge(df_row, df3, on='id')
df_merge_colhow to merge two dataframes
df_merge_col = pd.merge(df_row, df3, on='id')
df_merge_colMerge multiple dataframs
# compile the list of dataframes you want to merge
data_frames = [df1, df2, df3]
df_merged = reduce(lambda left,right: pd.merge(left,right,on=['DATE'],
how='outer'), data_frames)
# if you want to fill the values that don't exist in the lines of merged dataframe simply fill with required strings as
df_merged = reduce(lambda left,right: pd.merge(left,right,on=['DATE'],
how='outer'), data_frames).fillna('void')Copyright © 2021 Codeinu
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