This should also work: Using the dat1 data frame that arun created:
#1 > dat2 <- t(dat1[,2:4]) > dim(dat2) <- prod(dim(dat2)) > dat2 <- data.frame(Col1=dat2, stringsAsFactors=FALSE) > dat2 Col1 1 A 2 E 3 H 4 B 5 F 6 I 7 C 8 G 9 J 10 D 11 K 12 #2 > dat3 <- as.matrix(dat1[, 2:4]) > dim(dat3) <- prod(dim(dat3)) > dat3 <- data.frame(Col1=dat3, stringsAsFactors=FALSE) > dat3 Col1 1 A 2 B 3 C 4 D 5 E 6 F 7 G 8 K 9 H 10 I 11 J 12 #3 > d4 <- data.frame(t(dat2), stringsAsFactors=FALSE) > d4 X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 X11 X12 Col1 A E H B F I C G J D K ---------------------------------------------- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77843-4352 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of arun > Sent: Thursday, October 11, 2012 11:26 PM > To: Santana Sarma > Cc: R help > Subject: Re: [R] Columns and rows > > HI, > Try this: > dat1<-read.table(text=" > Names Colx Coly Colz > rowName1 A E H > rowName2 B F I > rowName3 C G J > rowName4 D K > ",sep="",header=TRUE,stringsAsFactors=FALSE,fill=TRUE) > dat2<-t(dat1) > dat3<-dat2[2:4,] > dat4<-do.call(rbind,sapply(dat3,list))) > > row.names(dat4)<-1:nrow(dat4) > dat4 > dat4 > # [,1] > #1 "A" > #2 "E" > #3 "H" > #4 "B" > #5 "F" > #6 "I" > #7 "C" > #8 "G" > #9 "J" > #10 "D" > #11 "K" > #12 "" > > data.frame(col1=stack(dat1[,2:4])[,1]) > # col1 > #1 A > #2 B > #3 C > #4 D > #5 E > #6 F > #7 G > #8 K > #9 H > #10 I > #11 J > #12 > > > dat5<-do.call(data.frame,sapply(dat3,list)) > dat5 > # A E H B F I C G J D K X.. > #1 A E H B F I C G J D K > A.K. > > > > > ----- Original Message ----- > From: Santana Sarma <aimanusa...@gmail.com> > To: David Winsemius <dwinsem...@comcast.net> > Cc: r-help@r-project.org > Sent: Thursday, October 11, 2012 11:07 PM > Subject: Re: [R] Columns and rows > > Hi, > > Trying to give an example here. > Say, I have read in a .csv file using read.csv (), and the file > contains > the following info. > > > Names Col x Col y Col z > rowName1 A E H > rowName2 B F I > rowName3 C G J > rowName4 D K > > > > Now, this is what is required: > > 1. Combine/stack/join contents from - > a) multiple rows into one column. > > > That is: > > A > E > H > B > F > I > C > G > J > D > K > > b) multiple columns into one row. > > A B C D E F G H I J K > > > 2. Stack contents from > > A) multiple columns into one column. > > A > B > C > D > E > F > G > H > I > J > K > > > B) Multiple rows into one row. > > A E H B F I C G J D > > > Thank you. > > Cheers, > Santana > > ================================ > > > On Fri, Oct 12, 2012 at 1:32 PM, David Winsemius > <dwinsem...@comcast.net>wrote: > > > > > On Oct 11, 2012, at 5:55 PM, Santana Sarma wrote: > > > > > Hi, > > > > > > Could you please advice some easy way to do the following for a > dataframe > > > (header=F) having unequal column- & row- length. > > > > > > 1. Combine/stack/join contents from - > > > a) multiple rows into one column. > > > b) multiple columns into one row. > > > > > > 2. Stack contents from multiple columns (or, rows) into one column > (or, > > > row). > > > > Could _you_ please produce an example. > > > > Dataframes do not have headers. They do have column names and column > names > > are required. > > > > -- > > David Winsemius, MD > > Alameda, CA, USA > > > > > > [[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. > > > ______________________________________________ > 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.