Answers for "how to merge 2 columns in python"

7

pd merge on multiple columns

new_df = pd.merge(A_df, B_df,  how='left', left_on=['A_c1','c2'], right_on = ['B_c1','c2'])
Posted by: Guest on March-26-2020
15

pandas merge python

import pandas as pd
df1 = pd.DataFrame({'lkey': ['foo', 'bar', 'baz', 'foo'],
                    'value': [1, 2, 3, 5]})
df2 = pd.DataFrame({'rkey': ['foo', 'bar', 'baz', 'foo'],
                    'value': [5, 6, 7, 8]})
df1.merge(df2, left_on='lkey', right_on='rkey')
Posted by: Guest on March-20-2020
2

merge two columns pandas

df["period"] = df["Year"] + df["quarter"]
Posted by: Guest on May-10-2020
1

how to merge two column pandas

DataFrame["new_column"] = DataFrame["column1"] + DataFrame["column2"]
Posted by: Guest on November-05-2020

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