mlpy.auxiliary.array.normalize

mlpy.auxiliary.array.normalize(a, axis=None, return_scale=False)

Normalize the input array to sum to 1.

Parameters:

a : array_like, shape (nsamples, nfeatures)

Non-normalized input data array.

axis : int

Dimension along which normalization is performed.

Returns:

array_like, shape (nsamples, nfeatures) :

An array with values normalized (summing to 1) along the prescribed axis.

Examples

>>>

Attention

The input array a is modified inplace.