pandas merge two columns from different dataframes
#suppose you have two dataframes df1 and df2, and
#you need to merge them along the column id
df_merge_col = pd.merge(df1, df2, on='id')
pandas merge two columns from different dataframes
#suppose you have two dataframes df1 and df2, and
#you need to merge them along the column id
df_merge_col = pd.merge(df1, df2, on='id')
how to merge two pandas dataframes on a column
import pandas as pd
T1 = pd.merge(T1, T2, on=T1.index, how='outer')
merge two columns pandas
df["period"] = df["Year"] + df["quarter"]
pandas dataframe add two columns int and string
df = df['Day'].map(str) + '-' + df['Month'].map(str) + '-' + df['Year'].map(str)
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