Hi Jonathan,If you look at the str() str(res) 'data.frame': 2 obs. of 4 variables: $ gene : chr "gene1" "gene2" $ case_1:List of 2 ..$ : chr "nsyn" "amp" ..$ : chr $ case_2:List of 2 ..$ : chr "del" ..$ : chr $ case_3:List of 2 ..$ : chr ..$ : chr "UTR"
In this case, capture.output(res,file="test.txt") #should work But, if you wanted to use ?write.table() and also to substitute zeros, perhaps: res[,2:4] <- lapply(res[,2:4],function(x) {x1 <-unlist(lapply(x,paste,collapse=","));x1[x1==""] <- 0; x1}) str(res) #'data.frame': 2 obs. of 4 variables: # $ gene : chr "gene1" "gene2" # $ case_1: chr "nsyn,amp" "0" # $ case_2: chr "del" "0" # $ case_3: chr "0" "UTR" write.table(res,"test.txt",sep="\t",quote=FALSE,row.names=FALSE) A.K. On Wednesday, October 23, 2013 10:44 PM, Jon BR <jonsle...@gmail.com> wrote: Hi Arun, Your suggestion using dcast is simple and worked splendidly! Unfortunately, the resulting data frame does not play nicely with write.table. Any idea how to could print this out to a tab-delimited text file, perhaps substituting zeros in for the empty cells? See the error below: > write.table(res,"test.txt") Error in .External2(C_writetable, x, file, nrow(x), p, rnames, sep, eol, : unimplemented type 'list' in 'EncodeElement' Best, Jonathan On Wed, Oct 23, 2013 at 9:50 PM, arun <smartpink...@yahoo.com> wrote: HI, > >You may try: >library(reshape2) >df <- >data.frame(case=c("case_1","case_1","case_2","case_3"), >gene=c("gene1","gene1","gene1","gene2"), issue=c("nsyn","amp","del","UTR"), >stringsAsFactors=FALSE) >res <- dcast(df,gene~case,value.var="issue",list) > res ># gene case_1 case_2 case_3 >#1 gene1 nsyn, amp del >#2 gene2 UTR > > >A.K. > > > >On Wednesday, October 23, 2013 7:38 PM, Jon BR <jonsle...@gmail.com> wrote: >Hello, > I've been running several programs in the unix shell, and it's time to >combine results from several different pipelines. I've been writing shell >scripts with heavy use of awk and grep to make big text files, but I'm >thinking it would be better to have all my data in one big structure in R >so that I can query whatever attributes I like, and print several >corresponding tables to separate files. > >I haven't used R in years, so I was hoping somebody might be able to >suggest a solution or combinatin of functions that could help me get >oriented.. > >Right now, I can import my data into a data frame that looks like this: > >df <- >data.frame(case=c("case_1","case_1","case_2","case_3"),gene=c("gene1","gene1","gene1","gene2"),issue=c("nsyn","amp","del","UTR")) >> df > case gene issue >1 case_1 gene1 nsyn >2 case_1 gene1 amp >3 case_2 gene1 del >4 case_3 gene2 UTR > > >I'd like to cook up some combination of functions/scripting that can >convert a table like df to produce a list or a data frame/ matrix that >looks like df2: > >> df2 > case_1 case_2 case_3 >gene1 nsyn,amp del 0 >gene2 0 0 UTR > >I can build df2 manually, like this: >df2 ><-data.frame(case_1=c("nsyn,amp","0"),case_2=c("del","0"),case_3=c("0","UTR")) >rownames(df2)<-c("gene1","gene2") > >but obviously do not want to do this by hand; I want R to generate df2 from >df. > >Any pointers/ideas would be most welcome! > >Thanks, >Jonathan > > [[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.