StringEncoder

class pinnx.utils.transformers.StringEncoder(dtype=<class 'str'>)

StringEncoder transform.

The transform will cast everything to a string and the inverse transform will cast to the type defined in dtype.

fit(X)

Fit a list or array of categories. All elements must be from the same type.

Parameters:

X (array-like, shape=(n_categories,)) – List of categories.

inverse_transform(Xt)

Inverse transform string encoded categories back to their original representation.

Parameters:

Xt (array-like, shape=(n_samples,)) – String encoded categories.

Returns:

X – The original categories.

Return type:

array-like, shape=(n_samples,)

transform(X)

Transform an array of categories to a string encoded representation.

Parameters:

X (array-like, shape=(n_samples,)) – List of categories.

Returns:

Xt – The string encoded categories.

Return type:

array-like, shape=(n_samples,)