[R] does R have a command the same with Stata's loop command: ` '

[jim holtman]

?paste
?assign

On Tue, Aug 3, 2010 at 8:29 PM, Hey Sky <heyskywalker at yahoo.com> wrote:
> hey, Rers
>
> in Stata therer is a loop command ` ' which could do the following:
>
> forvalue i=1/10 {
>  gen x`i'=expression
> }
>
> this will generate variable: x1,x2,,,,,x10. so, does R have a corresponding one
> to this?
>
>
> And one more very basic question: after I open a file and modify it, such as
> generate some new variables and change some old ones, how to use the changed
> dataset in analysis, except the method save and reload it?
>
>
> I have tried but did not get the right thing done:
> mydata<-read(flie=".....")
> ........
> detach()
> attach(names of my data set)
>
>
> any answer are appreciated.
>
> Nan
> from Montreal
>
>
>
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> and provide commented, minimal, self-contained, reproducible code.
>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

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