Actually I forgot you have a data frame. so use:
for (i in 1:18){
.temp <- yourDataFrame[[paste('b', i, sep='')]]
.... use .temp ....
}
On 10/24/07, DEEPANKAR BASU <[EMAIL PROTECTED]> wrote:
> Hi All,
>
> I have a data frame with a group of variables named b1, b2, b3, ..., b18.
> These variables take the value 1, 2 or NA. For each observation, I want to do
> some computation by looping over the values for the group of variables: b1 to
> b18. In STATA I would do:
>
> forval i=1/18 {
> --- use b`i' for computation ----
> }
>
> How can this be done in R?
>
> Deepankar
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem you are trying to solve?
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