Re: [R] Lasso with Categorical Variables

2011-05-03 Thread Clemontina Alexander
- > ping: nick.sa...@ugent.be > link: http://biomath.ugent.be > wink: A1.056, Coupure Links 653, 9000 Gent > ring: 09/264.59.36 > > -- Do Not Disapprove > > > > > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]

Re: [R] Lasso with Categorical Variables

2011-05-02 Thread Nick Sabbe
ping: nick.sa...@ugent.be link: http://biomath.ugent.be wink: A1.056, Coupure Links 653, 9000 Gent ring: 09/264.59.36 -- Do Not Disapprove -Original Message- From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] On Behalf Of David Winsemius Sent: maandag 2 mei 2011 20:48

Re: [R] Lasso with Categorical Variables

2011-05-02 Thread Breheny, Patrick
.org Subject: Re: [R] Lasso with Categorical Variables Thanks for your response, but I guess I didn't make my question clear. I am already familiar with the concept of dummy variables and regression in R. My question is, can the "lars" package (or some other lasso algorithm) handle

Re: [R] Lasso with Categorical Variables

2011-05-02 Thread Andrew Robinson
On Mon, May 02, 2011 at 05:22:57PM -0400, Clemontina Alexander wrote: > Thanks for your response, but I guess I didn't make my question clear. > I am already familiar with the concept of dummy variables and > regression in R. My question is, can the "lars" package (or some other > lasso algorithm)

Re: [R] Lasso with Categorical Variables

2011-05-02 Thread David Winsemius
On May 2, 2011, at 2:22 PM, Clemontina Alexander wrote: Thanks for your response, but I guess I didn't make my question clear. I am already familiar with the concept of dummy variables and regression in R. My question is, can the "lars" package (or some other lasso algorithm) handle factors?

Re: [R] Lasso with Categorical Variables

2011-05-02 Thread Clemontina Alexander
Thanks for your response, but I guess I didn't make my question clear. I am already familiar with the concept of dummy variables and regression in R. My question is, can the "lars" package (or some other lasso algorithm) handle factors? I did use dummy variables in my original data, but lars (lasso

Re: [R] Lasso with Categorical Variables

2011-05-02 Thread David Winsemius
On May 2, 2011, at 10:51 AM, Steve Lianoglou wrote: Hi, On Mon, May 2, 2011 at 12:45 PM, Clemontina Alexander > wrote: Hi! This is my first time posting. I've read the general rules and guidelines, but please bear with me if I make some fatal error in posting. Anyway, I have a continuous resp

Re: [R] Lasso with Categorical Variables

2011-05-02 Thread Steve Lianoglou
Hi, On Mon, May 2, 2011 at 12:45 PM, Clemontina Alexander wrote: > Hi! This is my first time posting. I've read the general rules and > guidelines, but please bear with me if I make some fatal error in > posting. Anyway, I have a continuous response and 29 predictors made > up of continuous varia