pandas.Series.rank¶
- Series.rank(method='average', na_option='keep', ascending=True)¶
Compute data ranks (1 through n). Equal values are assigned a rank that is the average of the ranks of those values
Parameters : method : {‘average’, ‘min’, ‘max’, ‘first’}
- average: average rank of group
- min: lowest rank in group
- max: highest rank in group
- first: ranks assigned in order they appear in the array
na_option : {‘keep’}
keep: leave NA values where they are
ascending : boolean, default True
False for ranks by high (1) to low (N)
Returns : ranks : Series