combining 2 dataframes pandas
df_3 = pd.concat([df_1, df_2])
combine 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)
dataframe concatenate
# Pandas for Python
df['col1 & col2'] = df['col1']+df['col2']
#Output
#col1 col2 col1 & col2
#A1 A2 A1A2
#B1 B2 B1B2
combine dataframes
frames = [df1, df2, df3]
result = pd.concat(frames)
# sorted indices
result = pd.concat([ret, items], ignore_index = True, axis = 0)
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