Pandas dataframe sort by column

Sort dataframe by column

df.sort_values(by='col1', ascending=False)

Sort a dataframe by a column valuepython

>>> df.sort_values(by=['col1'])
    col1 col2 col3
0   A    2    0
1   A    1    1
2   B    9    9
5   C    4    3
4   D    7    2
3   NaN  8    4

Source: pandas.pydata.org

Df sort values

>>> df.sort_values(by=['col1'], ascending = False)
    col1 col2 col3
0   A    2    0
1   A    1    1
2   B    9    9
5   C    4    3
4   D    7    2
3   NaN  8    4

Source: pandas.pydata.org

How to sort in pandas

// Single sort 
>>> df.sort_values(by=['col1'],ascending=False)
// ascending => [False(reverse order) & True(default)]
// Multiple Sort
>>> df.sort_values(by=['col1','col2'],ascending=[True,False])
// with apply() 
>>> df[['col1','col2']].apply(sorted,axis=1)
// axis = [1 & 0], 1 = 'columns', 0 = 'index'

Dataframe, sort by columns

final_df = df.sort_values(by=['2'], ascending=False)

Source: stackoverflow.com

Pandas dataframe sort by column

df.sort_values(by=['col1])

Similar codes

19 votes168 views6 answers
For loop
Python
1 vote160 views3 answers
Read binary image python
Python
16 votes148 views3 answers
Python split range equally
Python
0 vote138 views2 answers
Deploy django with nginx and gunicorn
Python Django
39 votes138 views5 answers
Dataframe create
Python
1 vote191 views1 answer
How to set environment variable in pycharm
Python
4 votes111 views1 answer
How to print single column in 2d array in python
Python
1 vote150 views2 answers
Rank function in pandas
Python
4 votes148 views1 answer
Try with multiple except python
Python
1 vote169 views1 answer
Python index 2d array
Python