Rolf That's it the aricolae "package". Thank you. Jeff -------------------------------------------- On Thu, 1/24/19, Rolf Turner <r.turner at auckland.ac.nz> wrote: Subject: Re: [FORGED] [R] Tukey Test To: reichmanj at sbcglobal.net Cc: r-help at r-project.org Date: Thursday, January 24, 2019, 10:11 PM On 1/25/19 4:51 PM, reichmanj at sbcglobal.net wrote: > R-Help > >? > > There is an R library that will perform a Tukey test ... <SNIP> Surely you mean *package*. cheers, Rolf Turner P.S. You are probably thinking of the agricolae *package*.? There is also the TukeyC package, which might be relevant.? Likewise the multcomp package.? And of course there is the TukeyHSD() function in the default package "stats". GIYF. R. T. -- Honorary Research Fellow Department of Statistics University of Auckland Phone: +64-9-373-7599 ext. 88276