Re: [R] groupedData function not found

Hi Andrea, did you try require(nlme) ? Adding a package is not necessarily the same as loading it. Cheers Andrew On Thu, Dec 27, 2007 at 10:42:27PM +, andrea previtali wrote: > > Hello, > I'm trying to use the groupedData function and R is giving me the message: > Error: can not find

Re: [R] groupedData function not found

have you done: library(nlme) in your script? On Dec 27, 2007 5:42 PM, andrea previtali <[EMAIL PROTECTED]> wrote: > > Hello, > I'm trying to use the groupedData function and R is giving me the message: > Error: can not find function "groupedData" > The code is coming from a textbook so I think

[R] groupedData function not found

Hello, I'm trying to use the groupedData function and R is giving me the message: Error: can not find function "groupedData" The code is coming from a textbook so I think it should be correct: pigs<-data.frame(cbind(pig.time,pig.id,pig.wt)) pig.growth<-groupedData(pig.wt~pig.time|pig.id,data=pig