Hi Federico, Federico Calboli wrote: > Hi All, > > I have some data I need to write as a file from R to use in a different > program. > My data comes as a numeric matrix of n rows and 2 colums, I need to transform > each row as a two rows 1 col output, and separate the output of each row with > a > blanck line. > > Foe instance I need to go from this: > > V2 V3 > 27 2032567 19 > 28 2035482 19 > 126 2472826 19 > 132 2473320 19 > 136 2035480 135 > 145 2062458 135 > 148 2074927 135 > 151 2102395 142 > 156 2027252 142 > 158 2473082 142 > > to > > 2032567 > 19 > > 2035482 > 19 > > 2472826 > 19 > > 2473320 > 19 > > 2035480 > 135 > > ... > > Any hint? I seem a bit stuck. cat(unlist(data), file ='data.txt', sep = '\n') > (obviously) does not work...
Likely somebody will come up with something better, but this works. Say the matrix above is called 'mat': con <- file("filename.txt", "w") for(i in 1:dim(mat)[1]) cat(paste(mat[i,], collapse="\n"), "\n\n", file=con) close(con) Best, Jim > > Cheers, > > Fede > > > > > > -- James W. MacDonald, M.S. Biostatistician Affymetrix and cDNA Microarray Core University of Michigan Cancer Center 1500 E. Medical Center Drive 7410 CCGC Ann Arbor MI 48109 734-647-5623 ______________________________________________ R-help@stat.math.ethz.ch 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.