sd_all_clusterX<-sd_all[(clusterX%in%sd_all$X),] # not tested
seems to do nothing, all elements of the original dataframe are now selected Petr Pikal wrote: > > Hi > > [EMAIL PROTECTED] napsal dne 20.05.2008 10:25:00: > >> >> First of all thank you very much, that helped a lot! >> >> Now I have another related problem, again I want to limit a dataframe on >> certain elements, the dataframe looks like this: >> > colnames(sd_all) >> [1] "X" "mydata.a" >> [3] "mydata.x" "mydata.sd.a" >> . >> . >> . >> [13] "mydata.mad.x" "snr" >> >> X denotes the identifier and I want to select all rows which identifiers > are >> in a cluster. >> >clusterX >> [1] 101KF4319097339 102KF4319101170 103KF4319047549 104KF4319046389 >> [5] 125KF4319063638 126KF4319102180 127KF4319107122 128KF4319019607 >> . >> . >> . >> [125] 795KS4242028634 797KS4242032582 798KS4242035374 >> 127 Levels: 101KF4319097339 102KF4319101170 103KF4319047549 ... >> 798KS4242035374 >> >> I tried : >> >sd_all_clusterX<-sd_all[as.character(clusterX),] > > Maybe you want %in% function > > sd_all_clusterX<-sd_all[clusterX%in%sd_all$X),] # not tested > > Regards > Petr > > >> >> but that results in all colums being NA. for example: >> >sd_all_clusterX[8] >> NA NA >> NA.1 NA >> NA.2 NA >> NA.3 NA >> . >> . >> NA.126 NA >> >> Again help would be very much appreciated, >> >> Sebastian >> >> >> >> >> >> >> jholtman wrote: >> > >> > 'xx1' is a 'factor' and you have to convert to a character before >> > selecting: >> > >> > data.xx1<-data[ ,as.character(xx1)] >> > >> > On Mon, May 19, 2008 at 5:20 AM, SebastianEck <[EMAIL PROTECTED]> > wrote: >> > >> >> >> >> Hello, >> >> >> >> I have a specific problem, I have a large dataframe, and after > clustering >> >> I >> >> want to select certain colums, the elements of a subcluster. >> >> >> >> My dataframe looks like this : >> >> >> >> > colnames(data) >> >> [1] "101KF4319097339" "102KF4319101170" "103KF4319047549" >> >> "104KF4319046389" >> >> [5] "105KF4319013260" "106KF4319025582" "107KF4319108763" >> >> "108KF4319047040" >> >> [9] "109KF4319060241" "110KF4319056658" "111KF4319036131" >> >> "112KF4319097194" >> >> . >> >> . >> >> . >> >> [701] "821KS4242126913" "822KS4242026026" "823KS4242003122" > "824IHT06020" >> >> [705] "825IHT06020" "826IHT06005" "827IHT06005" >> >> >> >> My subcluster looks like this >> >> >> >> > xx1 >> >> xx1 >> >> [1] 101KF4319097339 102KF4319101170 103KF4319047549 104KF4319046389 >> >> [5] 125KF4319063638 126KF4319102180 127KF4319107122 128KF4319019607 >> >> [9] 135KF4319037854 138KF4319050003 140KF4319069150 152KF4319109279 >> >> . >> >> . >> >> . >> >> [125] 795KS4242028634 797KS4242032582 798KS4242035374 >> >> 127 Levels: 101KF4319097339 102KF4319101170 103KF4319047549 ... >> >> 798KS4242035374 >> >> >> >> Now I want to select all elements from data that are in xx1, I tried >> >> >> >> >data.xx1<-data[ ,xx1] >> >> >> >> but that selects the just the first 127 (127 is the number of > elements / >> >> length from xx1) elements from data. >> >> >> >> Any help would be very appreciated :) >> >> >> >> Sebastian >> >> -- >> >> View this message in context: >> >> > http://www.nabble.com/Select-certain-elements-from-dataframe-tp17314209p17314209.html > >> >> Sent from the R help mailing list archive at Nabble.com. >> >> >> >> ______________________________________________ >> >> 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<http://www.r-project.org/ >> posting-guide.html> >> >> and provide commented, minimal, self-contained, reproducible code. >> >> >> > >> > >> > >> > -- >> > Jim Holtman >> > Cincinnati, OH >> > +1 513 646 9390 >> > >> > What is the problem you are trying to solve? >> > >> > [[alternative HTML version deleted]] >> > >> > ______________________________________________ >> > 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. >> > >> > >> >> -- >> View this message in context: > http://www.nabble.com/Select-certain-elements- >> from-dataframe-tp17314209p17335609.html >> Sent from the R help mailing list archive at Nabble.com. >> >> ______________________________________________ >> 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. > > -- View this message in context: http://www.nabble.com/Select-certain-elements-from-dataframe-tp17314209p17336691.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
