Answers for "add column to a dataframe from another dataframe"

add column to df from another df

# pre 0.24
feature_file_df['RESULT'] = RESULT_df['RESULT'].values
# >= 0.24
feature_file_df['RESULT'] = RESULT_df['RESULT'].to_numpy()

Posted by: Guest on May-29-2020

insert new column to dataframe

group = np.random.randint(10, size=6)
df_new['Group'] = group

Posted by: Guest on May-20-2021

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