dataframe count certain values code example
Example 1: pandas count specific value in column
(df[education]=='9th').sum()
Example 2: 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 3: how to count special values in data in python
df['sex'].value_counts()
Example 4: how to count special values in data in python
df['sex'].value_counts(normalize=True)