pandas increment value on condition
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showing results for - "pandas increment value on condition"
Mats
03 Apr 2016
1In [47]: df['ans'] = (df['ix'] != df['ix'].shift(1)).cumsum()
2
3In [48]: df
4Out[48]:
5 index ix ans
60 1 pa 1
71 2 pa 1
82 3 pa 1
93 4 pe 2
104 5 fc 3
115 6 pb 4
126 7 pb 4
137 8 df 5
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