func4.sas

SAS for Windows统计分析系统教程,里面有源码

options nodate nonumber;
title 'Mathematical functions';
data func4;
input x1-x4;
  digamma1=digamma(x1);erf1=erf(x2);erfc1=erfc(x2);
  exp1=exp(x3);gamma1=gamma(x1);lgamma1=lgamma(x4);
  log1=log(x4);log21=log2(x4);log101=log10(x4);
cards;
1 2 3 4
;
proc print;
run;