Answers for "union 2 df pandas unique values"

0

if df[col].unique()==2

df_dict = dict(zip([i for i in df.columns] , [pd.DataFrame(df[i].unique(), columns=[i]) for i in df.columns]))
Posted by: Guest on October-15-2020
0

take union of two dataframes pandas

m = {'left_only': 'df1', 'right_only': 'df2', 'both': 'df1, df2'}

result = df1.merge(df2, on=['A'], how='outer', indicator='B')
result['B'] = result['B'].map(m)

result
Posted by: Guest on May-19-2020

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