[R] looping through tasks

-- E. Michael Foster download vcard: www.unc.edu/~emfoster/Foster.vcf Professor of Maternal and Child Health of Health Policy and Administration Associate Chair for Faculty

[R] drop elements of vector by class

. -macro- contacts the data--how do I drop the variables according to their data.class thanks, michael foster E. Michael Foster (W) 814-865-1923 (Fax) 814-863- After 7/1 Work: Professor of Maternal and Child Health School of Public Health

[R] using index of a loop as a macro variable

' to the objects named x1, x2 and x3 as I move through the loop. I guess I could create these in advance of the loop and fill them in, but I'd rather not. Is there a way to use an index of a loop in this manner? thanks, michael E. Michael Foster Professor of Maternal and Child Health School of Public