[R] macro facility in R

[Chuck Cleland]

John Sorkin wrote:
> R 2.2 on windows XP
> I have a dataset with multiple columns. Some of the columns represent
> independent variables, some represent dependent variables. I would like
> to run the same analyses on a fixed set of independent variables,
> changing only the dependent variable, e.g.
> y1-y2=x1+x2+x3
> y3-y4=x1+x2+x3
> y5-y6=x1+x2+x3, etc.
> I know I can write a function to perform the analyses, however in order
> to make the analyses easy to do, I really need a macro scripting
> language that will allow preprocessing of the function and substitution
> of macro variables with parameters passed to the macro, i.e. I need
> someting akin to the macro facility in SAS. Is there a macro facility
> that I can use with R? I have tried help.search("macro") and did not
> have any success.

Also try RSiteSearch("macro", restrict="functions").  And have a look at 
Thomas Lumley's column in the following issue of Rnews:

http://cran.r-project.org/doc/Rnews/Rnews_2001-3.pdf

> Thanks,
> John  
> 
> John Sorkin M.D., Ph.D.
> Chief, Biostatistics and Informatics
> Baltimore VA Medical Center GRECC,
> University of Maryland School of Medicine Claude D. Pepper OAIC,
> University of Maryland Clinical Nutrition Research Unit, and
> Baltimore VA Center Stroke of Excellence
> 
> University of Maryland School of Medicine
> Division of Gerontology
> Baltimore VA Medical Center
> 10 North Greene Street
> GRECC (BT/18/GR)
> Baltimore, MD 21201-1524
> 
> 410-605-7119
> jsorkin at grecc.umaryland.edu
> 
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-- 
Chuck Cleland, Ph.D.
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