%GETFEATLAB Get feature labels of dataset%%   FEATLAB = GETFEATLAB(A,STRING)%% INPUT%   A        Dataset%   STRING   Indicate whether feature labels should be returned as strings%            (if 'string' or 1), or not (default).%% OUTPUT%   FEATLAB  Feature labels%% DESCRIPTION% Returns the labels of the features of dataset A. If STRING equals 'string'% or 1, the label list is converted to characters, which may be useful for% display purposes and annotation of graphs.