[R] Please help with this error - new to

[c.wright at uq.edu.au]

I am getting the following error in my script. I am very very new to R and
have obtained this script from another person.


#read file in (dummy data)
starburst.plot<-function(affy.fold, affy.FDR)(ifelse( ((affy.fold) >=0),
-1*log10(affy.FDR), 1*log10(affy.FDR)))
starburst.plot<-function(meth.fold, meth.FDR)(ifelse( ((meth.fold) >=0),
-1*log10(meth.FDR), 1*log10(affy.FDR)))

At my next command, I get the following error:

> g.ex.affy <- starburst.plot(data(,"affy.FOLD"), data(,"affy.FDR"))
Error in log(c("", "affy.FDR"), 10) : 
  Non-numeric argument to mathematical function
In addition: Warning messages:
1: In data(, "affy.FOLD") : data set '' not found

Could somebody please help me figure out why this isnt' working.

Thanks

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