merge two columns in pandas dataframe code example

Example 1: merge two dataframes based on column

df_outer = pd.merge(df1, df2, on='id', how='outer')

df_outer

Example 2: combining 2 dataframes pandas

df_3 = pd.concat([df_1, df_2])

Example 3: how to merge two pandas dataframes on a column

import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')

Example 4: merge two columns pandas

df["period"] = df["Year"] + df["quarter"]

Example 5: merge two df

bigdata = pd.concat([data1, data2], ignore_index=True, sort=False)