/Python/Python - join two columns and transform it as index

Python - join two columns and transform it as index

df = DataFrame({'var_1':['a','b','c'], 'var_2':[1, 2, 3], 'var_3':['apple', 'banana', 'pear']})
cols = ['var_1', 'var_2']    # Set columns to combine
df['combined'] = df[cols].apply(lambda row: ', '.join(row.values.astype(str)), axis=1)

# Define which column is index
df_i = df.set_index('combined') 

# Set the index to None
df_i.index.names = [None]

Source: stackoverflow.com

Similar codes

0 vote185 views1 answer
Python format method align center
Python
14 votes200 views1 answer
Sort list of dictionaries by key python
Python
3 votes219 views1 answer
Python Copy Lists
Python
0 vote186 views1 answer
Access kwargs in template django
Python
5 votes186 views1 answer
How to delete na values in a dataframe
Python
1 vote200 views1 answer
Multiple pdf to csv python
Python
0 vote189 views3 answers
Names of all methods in class introspect pythonm
Python
0 vote195 views1 answer
Length of series pandas
Python
2 votes194 views2 answers
Python inline conditional
Python
0 vote171 views1 answer
Dateien mit modul requests herunterladen python
Python