I have a list of Dataframes and Im trying to merge it into a one using the _id column.
List of dataframes(df) looks like
0 thyx07y1bg8 ... 2000-03-31 2004-12-31 1 ofr7s6wf1j ... 2000-03-31 2004-12-31 [2 rows x 4 columns], _id ... calculate_from calculate_to 0 3sw1btgso6t ... 2000-03-31 2004-12-31 1 ofr7s6wf1j ... 2000-03-31 2004-12-31 [2 rows x 4 columns], _id ... calculate_from calculate_to the result im expecting is
0 thyx07y1bg8 ... 2000-03-31 2004-12-31 1 ofr7s6wf1j ... 2000-03-31 2004-12-31 2 3sw1btgso6t ... 2000-03-31 2004-12-31 [3 rows x 4 columns], _id ... calculate_from calculate_to I have tried
pd.concat(df) and
reduce(lambda left, right: pd.merge(left, right, on=["_id"], how="inner"),df) but couldnt get the result I want. any idea ? Thanks