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

0 vote235 views1 answer
Difference between methods and attributes
Python
13 votes273 views4 answers
How to use if else in lambda python
Python
1 vote238 views1 answer
AttributeError: module 'keras.optimizers' has no attribute 'RMSprop'
Python
17 votes231 views6 answers
Install flask
Python
3 votes249 views6 answers
Send embed discord.py
Python
8 votes221 views2 answers
Pandas inner join on two columns
Python
59 votes225 views3 answers
Join() python
Python
0 vote220 views1 answer
File "demo_indentation_test.py", line 2 print("Five is greater than two!") ^ IndentationError: expected an indented block
Python
2 votes229 views1 answer
Functions python examples
Python
18 votes192 views1 answer
Pandas read txt
Python