/Python/Python dataframe find no of true

Python dataframe find no of true

Pandas select columns where value is true

df.loc[df['column_name'] == some_value]

10

Source: stackoverflow.com

Python dataframe find no of true

df.col_name.value_counts()
Out[345]: 
False    6
True     1
Name: has_cancer, dtype: int64

1

Source: stackoverflow.com

Python dataframe find no of true

df.has_cancer.value_counts()
Out[345]: 
False    6
True     1
Name: has_cancer, dtype: int64

-1

Source: stackoverflow.com

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