On suggestion is to tell us what you want to accomplish, because that error makes perfect sense to me and your intent is rather opaque. Data frames are not lists of rows, they are lists of columns.
One solution could be tstSet[["term"]] + 1 Another might be tstSet <- within(tstSet,{term <- term +1}) --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k --------------------------------------------------------------------------- Sent from my phone. Please excuse my brevity. On September 25, 2014 8:25:44 PM PDT, Keith S Weintraub <kw1...@gmail.com> wrote: >Folks, > >I have the following problem. > >tstSet<-structure(list(corr = c(0.59, 0.62), term = c(7, 7), am = >c("AmYes", >"AmNo"), prem = c(19.5, 14.75)), .Names = c("corr", "term", "am", >"prem"), out.attrs = structure(list(dim = structure(c(3L, 2L, >2L, 41L), .Names = c("corr", "term", "am", "prem")), dimnames = >structure(list( > corr = c("corr=0.59", "corr=0.62", "corr=0.65"), term = c("term=5", > "term=7"), am = c("am=AmYes", "am=AmNo"), prem = c("prem=10.00", > "prem=10.25", "prem=10.50", "prem=10.75", "prem=11.00", "prem=11.25", > "prem=11.50", "prem=11.75", "prem=12.00", "prem=12.25", "prem=12.50", > "prem=12.75", "prem=13.00", "prem=13.25", "prem=13.50", "prem=13.75", > "prem=14.00", "prem=14.25", "prem=14.50", "prem=14.75", "prem=15.00", > "prem=15.25", "prem=15.50", "prem=15.75", "prem=16.00", "prem=16.25", > "prem=16.50", "prem=16.75", "prem=17.00", "prem=17.25", "prem=17.50", > "prem=17.75", "prem=18.00", "prem=18.25", "prem=18.50", "prem=18.75", > "prem=19.00", "prem=19.25", "prem=19.50", "prem=19.75", "prem=20.00" > )), .Names = c("corr", "term", "am", "prem"))), .Names = c("dim", >"dimnames")), row.names = c(460L, 239L), class = "data.frame") > >> tstSet > corr term am prem >460 0.59 7 AmYes 19.50 >239 0.62 7 AmNo 14.75 > >A function: > >twoRun<-function(aRow, inp) { > aRow[["term"]] + inp >} > >When I try the following: >lapply(tstSet, twoRun, 1) > >I get the following error: >Error in aRow[["term"]] : subscript out of bounds > >Any suggestions? > >Thanks much for your time, >KW > > > > >-- > >______________________________________________ >R-help@r-project.org mailing list >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.