how to append two dataframes in pandas 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: merge two df
bigdata = pd.concat([data1, data2], ignore_index=True, sort=False)
Example 4: combine df columns python
df["period"] = df["Year"] + df["quarter"]