Re: [R] averaging between rows with repeated data

2011-11-15 Thread David Winsemius
On Nov 15, 2011, at 6:46 AM, R. Michael Weylandt wrote: Good morning Rob, First off, thank you for providing a reproducible example. This is one of those little tasks that R is pretty great at, but there exist \infty ways to do so and it can be a little overwhelming for the beginner: here's

Re: [R] averaging between rows with repeated data

2011-11-15 Thread Rob Griffin
.n4.nabble.com/correlations-between-columns-for-each-row-td4039193.html ) -Original Message- From: R. Michael Weylandt Sent: Tuesday, November 15, 2011 12:46 PM To: robgriffin247 Cc: r-help@r-project.org Subject: Re: [R] averaging between rows with repeated data Good morning Rob, First

Re: [R] averaging between rows with repeated data

2011-11-15 Thread R. Michael Weylandt
terday: > http://r.789695.n4.nabble.com/correlations-between-columns-for-each-row-td4039193.html > ) > > > -Original Message- From: R. Michael Weylandt > Sent: Tuesday, November 15, 2011 12:46 PM > To: robgriffin247 > Cc: r-help@r-project.org > Subject: Re: [R] avera

Re: [R] averaging between rows with repeated data

2011-11-15 Thread R. Michael Weylandt
Good morning Rob, First off, thank you for providing a reproducible example. This is one of those little tasks that R is pretty great at, but there exist >\infty ways to do so and it can be a little overwhelming for the beginner: here's one with the base function ave(): cbind(ave(example[,2:4], e

[R] averaging between rows with repeated data

2011-11-15 Thread robgriffin247
*The situation (or an example at least!)* example<-data.frame(rep(letters[1:10])) colnames(example)[1]<-("Letters") example$numb1<-rnorm(10,1,1) example$numb2<-rnorm(10,1,1) example$numb3<-rnorm(10,1,1) example$id<-c("CG234","CG232","CG441","CG128","CG125","CG182","CG232","CG441","CG232","CG125")