% PURPOSE: demonstrate studentized and unstudentize functions % % % usage: unstudentize_d % demonstrate case of a vector x = 1:20; xx = x'; xstud = studentize(xx); xunstud = unstudentize(xstud,xx); in.cnames = strvcat('raw vector','studentized','unstudentized'); mprint([xx,xstud,xunstud],in); % demonstrate case of a matrix x = 1:20; xx = [x' x'.*x']; xstud = studentize(xx); xunstud = unstudentize(xstud,xx); in.cnames = strvcat('x1raw','x2raw','x1stud','x2stud','x1unstud','x2unstud'); mprint([xx,xstud,xunstud],in);