berapa kali nilai terjadi di dataframne
df['a'].value_counts()
Gifted Grasshopper
df['a'].value_counts()df = pd.DataFrame({'a':list('abssbab')})
df.groupby('a').count()In [37]:
df = pd.DataFrame({'a':list('abssbab')})
df.groupby('a').count()
Out[37]:
a
a
a 2
b 3
s 2
[3 rows x 1 columns]