Posting in HTML mangles up your code, making it hard to read. Please resend your question in plain text and make the code reproducible. See http://adv-r.had.co.nz/Reproducibility.html for more details on that. ir. Thierry Onkelinx Instituut voor natuur- en bosonderzoek / Research Institute for Nature and Forest team Biometrie & Kwaliteitszorg / team Biometrics & Quality Assurance Kliniekstraat 25 1070 Anderlecht Belgium
To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey 2015-08-24 13:00 GMT+02:00 Jhon Grey <butt_its...@hotmail.com>: > Hi! > I am facing a problem in understanding the R-Code > Suppose I have a dataset named- transact with its values like following: > > > > > > customer_ID > shopping_pt > record_type > > > 10000000 > 1 > 0 > > > 10000000 > 2 > 0 > > > 10000000 > 3 > 0 > > > 10000000 > 4 > 0 > > > 10000000 > 5 > 0 > > > 10000000 > 6 > 0 > > > 10000000 > 7 > 0 > > > 10000000 > 8 > 0 > > > 10000000 > 9 > 1 > > > 10000005 > 1 > 0 > > > 10000005 > 2 > 0 > > > 10000005 > 3 > 0 > > > 10000005 > 4 > 0 > > > 10000005 > 5 > 0 > > > 10000005 > 6 > 1 > > > 10000007 > 1 > 0 > > > 10000007 > 2 > 0 > > > 10000007 > 3 > 0 > > > 10000007 > 4 > 0 > > How does the following code work and the results of sub and id- > id<-transact$record_type==1sub<-train[c(id[2:length(id)],FALSE),]id<-c(id[3:length(id)],FALSE,FALSE) > sub2<-train[id,] > Thanks in advance! > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. ______________________________________________ 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.