/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 vote136 views6 answers
C to python code converter
Python
23 votes128 views1 answer
Python month number from date
Python
79 votes158 views3 answers
Metronome
Python
2 votes135 views2 answers
Install anaconda python 2.7 and 3.6
Python
12 votes132 views1 answer
Link shortener
Python
0 vote147 views1 answer
Numpy convert 1d to 2d
Python
0 vote128 views1 answer
Split an array into subarrays python
Python
0 vote133 views2 answers
Python check if input contains letters
Python
15 votes182 views2 answers
Post request in python flaks
Python
1 vote144 views1 answer
Set size of button tkinter
Python