Function bincount 

pub fn bincount(
    array: &Array<usize>,
    minlength: Option<usize>,
) -> Result<Array<usize>>

Count occurrences of each value in array of non-negative ints

Parameters

• array - Input array of non-negative integers
• minlength - Minimum number of bins for output array

Returns

Array where element i is the count of occurrences of i in the input array