Re: [R] Issue with step(): Fails to look for object$model

2009-02-14 Thread Adam D. I. Kramer
roject.org] On Behalf Of Adam D. I. Kramer Sent: Sunday, 15 February 2009 12:44 PM To: r-help@r-project.org Subject: [R] Issue with step(): Fails to look for object$model Hi, I'm playing around with stepwise regression, using the step function, and believe I have found a b

Re: [R] Issue with step(): Fails to look for object$model

2009-02-14 Thread Bill.Venables
unday, 15 February 2009 2:25 PM To: Venables, Bill (CMIS, Cleveland) Cc: a...@ilovebacon.org; r-help@r-project.org Subject: Re: [R] Issue with step(): Fails to look for object$model Could you explain how memory problems may arise? I understand that by using model=FALSE, we can reduce the memory req

Re: [R] Issue with step(): Fails to look for object$model

2009-02-14 Thread Juliet Hannah
o.au/bill.venables/ > > > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On > Behalf Of Adam D. I. Kramer > Sent: Sunday, 15 February 2009 12:44 PM > To: r-help@r-project.org > Subject: [R] Issue with step(): Fails to look

Re: [R] Issue with step(): Fails to look for object$model

2009-02-14 Thread Bill.Venables
org Subject: [R] Issue with step(): Fails to look for object$model Hi, I'm playing around with stepwise regression, using the step function, and believe I have found a bug (or at least, a strong case for improvement): > ex <- data.frame(y=rnorm(100),x=rnorm(100)) > l <- lm(y

[R] Issue with step(): Fails to look for object$model

2009-02-14 Thread Adam D. I. Kramer
Hi, I'm playing around with stepwise regression, using the step function, and believe I have found a bug (or at least, a strong case for improvement): ex <- data.frame(y=rnorm(100),x=rnorm(100)) l <- lm(y ~ x, data=ex) step(l) [output is correct] rm(ex) step(l) Start: AIC=11.79 y ~