/Python/Pandas get row if difference previous

Pandas get row if difference previous

>>> df = pd.DataFrame({'a': [1, 2, 3],
...                    'b': [1, 1, 2],
...                    'c': [1, 4, 9]})

>>> df
   a  b   c
0  1  1   1
1  2  1   4
2  3  2   9

>>> df.diff()

     a    b     c
0  NaN  NaN   NaN
1  1.0  0.0   3.0
2  1.0  1.0   5.0

Source: pandas.pydata.org

Similar codes

2 votes348 views1 answer
Repeat 10 times python
Python
3 votes334 views1 answer
Len python meaning
Python
0 vote387 views1 answer
Flask decorator causes views to be named the same thing
Python
-1 vote350 views1 answer
Splash screen in python tkinter
Python
0 vote340 views1 answer
Violin Plot Seaborn
Python
1 vote354 views2 answers
Django queryset unique values
Python
0 vote351 views1 answer
Import system in python
Python
1 vote336 views1 answer
Log base 2 python
Python
1 vote345 views1 answer
Pandas merge dataframes from a list
Python
0 vote362 views1 answer
Pass context data with templateview in django
Python Django