[R] simple linear plots with a loop

[David Winsemius]

On Apr 6, 2014, at 6:07 PM, Kristi Glover wrote:

> Hi R users,
> I was trying to plot with  a fixed y with many independet variables.

It looks like you are plotting with a fixed x.

> I tried this loop but it did not work. any suggestions?

Yes. Explain what "did not work" means. Error? Then post the error  
message. Different results than expected? Then describe.


> I wanted to make 9 plots. This is a just an example data.
>
> dat1<- as.data.frame(matrix(sample(1:20,100,replace=TRUE),ncol=10))
> lapply(seq_len(ncol(dat1)),function(i)
> {
> par(mfrow=c(3,3)),
> plot(dat1[,1],dat1[,i+1],
> z[,i]<-lm(dat1[,1]~dat1[,i+1]),

What were you expecting to happen to "dat1[,i+1]" when "i" was at its  
max?

> abline(z),
> summary(z[,i])
> }
> here first column is dependent variable and other V2 to V10s are  
> independent variables. Also wanted look the summary (linear model)  
> with each variable.
> Thanks for your suggestions
> KG
> ===

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-- 

David Winsemius, MD
Alameda, CA, USA