count of occurances in pandas dataframe
Question
my dataset looks likes this after executing groupby. How can I sum the common systems in column 3
1 answers
solution1
0 2022-06-23 14:48:25
You can achieve this by using pandas .value_counts() method:
df['col3'].value_counts()
Yields:
sys1 3
sys4 1
sys5 1
sys2 2
Name: col3, dtype: int64
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