I am trying to write a small program which reads in a data set, and selects observations from certain years before the analysis. I have a problem including the selection criteria in the header of the program.
Here is the problem;
dataFIT<-function(MODEL, MARGINS, yearConsidered){
library(foreign
CovPaper<-read.spss("C:/Data/data.sav")
NewData <- list(CovPaper$"YEAR"[CovPaper$"YEAR" == yearConsidered],
CovPaper$"YEAR"[CovPaper$"SEX" == yearConsidered],
#### and so on #####
#fit model to data #
}When I use one year there is no problem, but I would like some data sets to span over years and I am not sure how to do this without having to change the body of my fitting program.
I tried searching the R-list but to no avail.
Thanking you in advance.
Vumani
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