check.whatmap {kohonen}

Check the validity of a whatmap argument

Description

Not meant to be called directly by the user.

Usage

check.whatmap(x, whatmap)

Arguments

x

A kohonen object, or a list of data matrices that can be used as input data for SOM functions.

whatmap

An indication of a subset of the data; either by naming the elements, or giving indices. If whatmap equals NULL, the selection of x is used if x is a kohonen object, or else no selection is performed.

Value

Returns a numerical vector with the indices of the selected layers. An invalid selection leads to an error.

Author(s)

Ron Wehrens