/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

0 vote130 views1 answer
Linear congruential generator in python
Python
0 vote141 views1 answer
Countplot for different classes in a column
Python
0 vote142 views1 answer
Pandas typr of each cell in series
Python
3 votes131 views1 answer
Python change plot transparency
Python
0 vote136 views1 answer
Convert number from one range to another
Python
0 vote133 views2 answers
Pandas count number missing values
Python
15 votes145 views1 answer
Importing file from another folder python
Python
0 vote140 views1 answer
How to clear multi dictionary in python
Python
1 vote136 views1 answer
Ipython save session
Python
2 votes151 views2 answers
Import other python files
Python