pandas count specific value in series code example

Example 1: count values pandas

>>> index = pd.Index([3, 1, 2, 3, 4, np.nan])
>>> index.value_counts()
3.0    2
4.0    1
2.0    1
1.0    1
dtype: int64

Example 2: how to count special values in data in python

df['sex'].value_counts()

Example 3: how to count special values in data in python

df['fare'].value_counts(bins=7)