/Python/Argmax change dafault value for multiple maxima

Argmax change dafault value for multiple maxima

def my_argmax(a):
    rows = np.where(a == a.max(axis=1)[:, None])[0]
    rows_multiple_max = rows[:-1][rows[:-1] == rows[1:]]
    my_argmax = a.argmax(axis=1)
    my_argmax[rows_multiple_max] = -1
    return my_argmax

Source: stackoverflow.com

Similar codes

0 vote110 views1 answer
Lcd of 18 and 21
Python
1 vote69 views1 answer
Sciket learn imputer code
Python
3 votes129 views1 answer
Pandas load txt database
Python
0 vote205 views1 answer
Django test imagefield
Python Django
1 vote149 views2 answers
Django sum get 0 if none
Python Django
4 votes172 views1 answer
How to make sun as first day in calendar python
Python
0 vote164 views1 answer
Python multi-line statement
Python
4 votes124 views2 answers
Django reset database
Python
44 votes136 views6 answers
Python list files in current directory
Python
0 vote114 views1 answer
How to show line chart in seaborn lib
Python