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function tf = iscategorical(t) %ISCATEGORICAL True for categorical arrays. % ISCATEGORICAL(C) returns logical 1 (true) if C is a categorical array % and logical 0 (false) otherwise. % % See also CATEGORICAL, ISNUMERIC, ISOBJECT, ISLOGICAL. % Copyright 2012 The MathWorks, Inc. tf = isa(t,'categorical');