/Python/How to find number of categories in python

How to find number of categories in python

from collections import Counter
df = pd.DataFrame({'a':['apple','apple','banana','peach', 'banana', 'apple']})

print Counter(df['a'])
>> Counter({'apple': 3, 'banana': 2, 'peach': 1})

Source: stackoverflow.com

Similar codes

11 votes90 views2 answers
How to find the position in a list python
Python
0 vote96 views1 answer
Make a copy for parsing dataframe python
Python
0 vote129 views1 answer
Django sign up
Python Django
13 votes60 views1 answer
5.4.7 categories python
Python
2 votes103 views1 answer
String module in python
Python
2 votes65 views1 answer
Pandas column statistics
Python
2 votes108 views2 answers
Python socket get client ip address
Python
0 vote99 views1 answer
Pandas column string first n characters
Python
0 vote102 views1 answer
Python get output
Python
-2 votes109 views2 answers
Savefig matplotlib python
Python