Hi everyone -
This came up within the last day -- Jim's response to Deepankar is pasted below.
There are probably lots of reasons, but what is the advantage to using
.temp over, say, temp?
I often find myself writing temporary objects -- should I use the .
preface? What would be the advantages to doing so?
Thanks in advance for what will surely be a collection of illuminating
responses.
tim
On 10/25/07, jim holtman <[EMAIL PROTECTED]> wrote:
> 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
> > and provide commented, minimal, self-contained, reproducible code.
> >
>
>
> --
> Jim Holtman
> Cincinnati, OH
> +1 513 646 9390
>
> What is the problem you are trying to solve?
>
> ______________________________________________
> R-help@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.
>
--
Tim Calkins
0406 753 997
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