[R] macro facility in R

From: John Sorkin <jsorkin_at_grecc.umaryland.edu>
Date: Mon 03 Jul 2006 - 21:39:20 EST


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.
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@grecc.umaryland.edu



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