/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

11 votes219 views9 answers
Trump
Python
2 votes225 views2 answers
How to make a latency command discord.py
Python
0 vote200 views2 answers
How to remove element from nested list in python
Python
0 vote237 views3 answers
Python remove text between parentheses
Python
2 votes231 views2 answers
Python replace newline
Python
1 vote225 views1 answer
Sort and remove duplicates list python
Python
1 vote249 views2 answers
Django drop database postgres
Python
0 vote240 views2 answers
Python min value index from an array
Python
0 vote216 views1 answer
Find word position in string python
Python
4 votes227 views4 answers
Interface graphique sur python
Python