> On May 6, 2017, at 8:14 AM, David Winsemius <dwinsem...@comcast.net> wrote: > >> >> On May 6, 2017, at 7:47 AM, Elahe chalabi via R-help <r-help@r-project.org> >> wrote: >> >> Hi all, >> >> I have a text classification task which is classification of a Control group >> and Alzheimer group texts. I have generated DocumentTermMatrix for both >> groups and then created a list with one extra element showing the group name >> if it's Alzheimer or control group, for example for the Alzheimer group: >> >> frequenciesAlzheimer=DocumentTermMatrix(corpus) >> freqlistAlz=list(type="alzheimer",frequenciesAlzheimer) >> >> List of 2 >> $ type: chr "alzheimer" >> $ :List of 6 * >> ..$ i : int [1:8678] 1 1 1 1 1 1 1 1 1 1 ... >> ..$ j : int [1:8678] 1 2 3 4 5 6 7 8 9 10 ... >> ..$ v : num [1:8678] 1 1 1 1 1 2 1 1 2 1 ... >> ..$ nrow : int 255 >> ..$ ncol : int 1091 >> ..$ dimnames:List of 2 >> .. ..$ Docs : chr [1:255] "1" "2" "3" "4" ... >> .. ..$ Terms: chr [1:1091] "alright" "bad" "boy" "cookie" ... >> ..- attr(*, "class")= chr [1:2] "DocumentTermMatrix" "simple_triplet_matrix" >> ..- attr(*, "weighting")= chr [1:2] "term frequency" "tf" >> >> and I have the same list for control group,now my question is why I don't >> get the name of my DTM as the second element of my list? in the line marked >> by * >> I need to have >> >> >> $frequenciesAlzheimer : List of 6 >> >> but there's no name, does anyone know how should I solve this? > > Why don't you just assign a name to that list? Either of these should succeed: > > > names(freqlistAlz)[2] <- frequenciesAlzheimer
Sigh. The dangers of untested code (due to no offered example.) My wetware interpreter now tells me that it probably should have been: names(freqlistAlz)[2] <- "frequenciesAlzheimer" > > freqlistAlz=list(type="alzheimer", > frequenciesAlzheimer = frequenciesAlzheimer) > > -- > David. > > >> >> Thanks for any help! >> Elahe >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> 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. > > David Winsemius > Alameda, CA, USA > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. David Winsemius Alameda, CA, USA ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.