[R] [R-sig-Geo] Variables inside a for

Gabor Grothendieck ggrothendieck at gmail.com
Tue Dec 2 03:35:13 CET 2008


Use this:

lm(database[c(variable[i], "INCOME")])

On Mon, Dec 1, 2008 at 7:45 PM, Raphael Saldanha
<saldanha.plangeo at gmail.com> wrote:
> Hi!
>
> I had a database with some variables in sequence. Let me say: TX01, TX02,
> TX03 and TX04.
>
> But I need to run some regressions changing the variables... so:
>
> variable <- paste("TX0", 1:4, sep="")
>
> for(i in 1:4){
> test[i] <- lm(variable[i] ~ INCOME, data=database)
> }
>
> But doesn't work... lm tries to find a variable inside database named
> variable[i] ...
>
> Suggestions?
>
>
> King regards!
>
> Raphael Saldanha
> Brasil
>
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>
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