value_counts in pandas code example
Example 1: value count in python
col-name.value_count()
Example 2: value_counts 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: plot value counts pandas
df.letters.value_counts().sort_values().plot(kind = 'barh')
Example 4: relativefrequencies of the unique values pandas
df.value_counts(normalize=True)
Example 5: count_values in python
idx.value_counts()
Example 6: count values python
from collections import Counter
values=np.ones(10)
Counter(values)