I want to melt the cor matrix and form a 3 col matrix with row# col# and cor.
This I m using to draw a graph. Regards, Kumaraguru On Jan 28, 2011, at 6:47 AM, Petr PIKAL <petr.pi...@precheza.cz> wrote: > Hi > > r-help-boun...@r-project.org napsal dne 28.01.2011 09:52:05: > >> >> What makes matrix to print V1, V2 as the row and col indices instead of >> numbers?? >> >> cdata = read.table("ramesh.txt") #cdata is read from a file. >> c1 = cor(cdata) >> >> I am printing c1 below. I need only numbers. I dont need V1, V2...what >> should I do in this case?? >> http://r.789695.n4.nabble.com/file/n3243980/ramesh.txt ramesh.txt >> >> V1 V2 V3 V4 V5 V6 V7 >> V1 1.0000000 0.9471591 0.9191233 0.9403129 0.9689690 0.9621362 > 0.9529811 >> V2 0.9471591 1.0000000 0.8888108 0.9108174 0.9703906 0.9425248 > 0.9294308 >> V3 0.9191233 0.8888108 1.0000000 0.8788107 0.9077245 0.9078971 > 0.8965331 >> V4 0.9403129 0.9108174 0.8788107 1.0000000 0.9477058 0.9017977 > 0.8646251 >> V5 0.9689690 0.9703906 0.9077245 0.9477058 1.0000000 0.9531459 > 0.9162016 >> V6 0.9621362 0.9425248 0.9078971 0.9017977 0.9531459 1.0000000 > 0.9447130 >> V7 0.9529811 0.9294308 0.8965331 0.8646251 0.9162016 0.9447130 > 1.0000000 >> V8 0.9167526 0.9395067 0.8491496 0.8942693 0.9460702 0.9304229 > 0.8505287 >> V9 0.9512951 0.9598302 0.8666839 0.9465725 0.9645178 0.9486105 > 0.8979753 >> V10 0.9551633 0.9040160 0.9180022 0.9429816 0.9448644 0.9220875 > 0.9075537 > > Vn are names of columns which R gave to your matrix when you read it as a > data frame. And cor just makes a matrix of pairwise corelation > coefficients from this data frame conveniently named from this data frame. > If you do not want those names just unname it. > > c1 = unname(cor(cdata)) > > But I wonder why you dislike those names which are, well, just names. > > Regards > Petr > > >> >> -- >> View this message in context: > http://r.789695.n4.nabble.com/Letters-V1-V2-as- >> row-col-indices-instead-of-numbers-tp3243980p3243980.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.