[R] use of quotation marks

Dear R Users. I just discovered today a problem in the use of quotation marks when I'm doing some programs in R. I'm using windows vista environment. The programs that I wrote in the University, made in Windows XP machines run perfectly, but when I run those in my laptop with VISTA, there are many

[R] ungrouped data for multinomial regression

Thanks for helping me out with the thing of quotation marks. I finally could save time running programs at the university and home. One additional question for all of you. I'm starting to be familiar with multinomial regression models. Actually I'm doing some exercise with the pneumo data that appe

[R] my first post to the list

Hello R-listers! My first post to the list is a very simple one for those who use the software continuosly. I am trying to understand the fixed-x resampling and random-x-resampling method proposed by Fox about Bootstrapping. The doubt that I have is on the side of the model run in one of the functi

[R] Fwd: my first post to the list

Hello R-listers! My first post to the list is a very simple one for those who use the software continuosly. I am trying to understand the fixed-x resampling and random-x-resampling method proposed by Fox about Bootstrapping. The doubt that I have is on the side of the model run in one of the functi

[R] downloading packages at local disk

here I can search those packages? Basically I'm trying to copy in a flash drive the packages MASS, BOOT and CAR. Thanks for your help. Rodrigo Briceño __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read th

[R] ridge regression

Thanks to all of you that helped me with the issues of bootstrapping and downloading packages to a local disk. As an starter I'm in the lower side of the learning curve, but this R software is awesome. What I like most is this kind of forums when people share their problems and we can find solution

[R] ridge regression

Thanks to all of you that helped me with the issues of bootstrapping and downloading packages to a local disk. As an starter I'm in the lower side of the learning curve, but this R software is awesome. What I like most is this kind of forums when people share their problems and we can find solution

[R] use of sequence on ridge regression

Dear R users. I have a doubt about the use of the sequence option on Ridge regression. I'm trying to understand the use of this option when variables are highly linear correlated. I'm running a model where the variables HtShoes and Ht have high VIF values. My program is written below, but I'm not s

Re: [R] use of sequence on ridge regression

error. Is there a maximum allowed? plot(lm.ridge(hipcenter ~ .,seatpos, lambda = seq(0,0.1,0.001))) select(lm.ridge(hipcenter ~ ., seatpos,lambda = seq(0,0.1,0.001))) __ *Rodrigo Briceño* Project Manager Sanigest Internacional +506

Re: [R] use of sequence on ridge regression

t;[EMAIL PROTECTED]> wrote: > On Wed, 7 May 2008, Rodrigo Briceño wrote: > > > > Nice to meet you Brian. The question is about the numbers that appears > > after lambda (0,0, 0.1, 0.0001). I know that seq is a set of values used > > for testing which value fits b

[R] prediction with ridge regression

I'm running a ridge regression of Y over 8 explanatory variables. The selection of lambda gave me a value of 1 as the minimum value to be added for bias. I got the coeficients for this new regression. The thing is that I have 8 new values for explanatory variables that are needed in order to predic