[R] how to generalize the arguments for lm() (r-help at lists.R-project.org)

Dimitris Rizopoulos d.rizopoulos at erasmusmc.nl
Sun Dec 28 08:42:19 CET 2008


you can just use a design matrix on the right hand side of 'formula', e.g.,

factors <- matrix(rnorm(100*10), 100, 10)
y <- rnorm(100)

lm(y ~ factors)


I hope it helps.

Best,
Dimitris


Math Girl wrote:
> Hello,
> 
> How could I generalize the following statement for an arbitrary number of columns instead of 7?
> 
> result[[i]]<-lm( returns[,i] ~ factors[,1] + factors[,2] + factors[,3] + factors[,4] + factors[,5] + factors[,6] + factors[,7] )
> 
> Thank you,
> 
> Mathgurl
> 
> 
> 
>       
> 	[[alternative HTML version deleted]]
> 
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 

-- 
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus Medical Center

Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014



More information about the R-help mailing list