Arun, thanks for clearing that up.  I was making assumptions about R that I shouldn’t have when it comes to column(variable) assignments.  Hope everyone has a good Monday.  BNC

From: arun kirshna [via R] [mailto:ml-node+s789695n4671473h75@n4.nabble.com]
Sent: Friday, July 12, 2013 11:59 PM
To: Crombie, Burnette N
Subject: Re: create new matrix from user-defined function

Hi,
One alternative would be to change colnames:

colnames(dat3)<-1:4

 data.frame(MW_EEsDue_ERRORS=with(dat3,`1`[`4`!=rowSums(cbind(`2`,`3`))]))
  #MW_EEsDue_ERRORS
#1             1882
#2             1884
#3             1885

Also, check these:
with(dat3,4)
#[1] 4
 with(dat3,`4`)
#[1]   7   9   5   6 112
with(dat3,7)
#[1] 7
 with(dat3,`7`)
#Error in eval(expr, envir, enclos) : object '7' not found

A.K.




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