d STB-9 srd13. Maximum R-squared and pure error lack-of-fit test. d STB insert by Richard Goldstein, Qualitas, Brighton, MA. d Support: goldst@@harvarda.bitnet d After installation, see help ^maxr2^. f srd13/maxr2.ado f srd13/maxr2.hlp f srd13/neter132.dta f srd13/wberg90.dta f srd13/ds38.dta