how to combine dataframes in python code example
Example 1: merge two dataframes based on column
df_outer = pd.merge(df1, df2, on='id', how='outer')
df_outer
Example 2: pandas left join
df.merge(df2, left_on = "doc_id", right_on = "doc_num", how = "left")
Example 3: combining 2 dataframes pandas
df_3 = pd.concat([df_1, df_2])
Example 4: combine dataframes with two matching columns
merged_df = DF2.merge(DF1, how = 'inner', on = ['date', 'hours'])
Example 5: combine two dataframe in pandas
vertical_stack = pd.concat([survey_sub, survey_sub_last10], axis=0)
horizontal_stack = pd.concat([survey_sub, survey_sub_last10], axis=1)
Example 6: how to merge two dataframes
df_merge_col = pd.merge(df_row, df3, on='id')
df_merge_col