combining 2 dataframes pandas
df_3 = pd.concat([df_1, df_2])pandas left join
df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")how to merge two dataframes
df_merge_col = pd.merge(df_row, df3, on='id')
df_merge_colcombine two dataframe in pandas
# Stack the DataFrames on top of each other
vertical_stack = pd.concat([survey_sub, survey_sub_last10], axis=0)
# Place the DataFrames side by side
horizontal_stack = pd.concat([survey_sub, survey_sub_last10], axis=1)python dataframe left join
>>> left.merge(right, on='user_id', how='left')how to join two dataframe in pandas based on two column
merged_df = left_df.merge(right_df, how='inner', left_on=["A", "B"], right_on=["A2","B2"])Copyright © 2021 Codeinu
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