HI, Try this:
dat1<-read.table(text=" beta0 beta1 pvalor Crom rs17 158.5980 12.252462 9.083193e-135 1 rs46 163.3730 3.304276 3.279925e-06 1 rs63 162.7924 2.084678 5.023893e-06 1 rs24 162.4252 1.837208 5.509042e-06 1 ",sep="",header=TRUE) dat2<-data.frame(new=rownames(dat1),dat1) > rownames(dat2)<-1:nrow(dat2) > dat2 # new beta0 beta1 pvalor Crom #1 rs17 158.5980 12.252462 9.083193e-135 1 #2 rs46 163.3730 3.304276 3.279925e-06 1 #3 rs63 162.7924 2.084678 5.023893e-06 1 #4 rs24 162.4252 1.837208 5.509042e-06 1 A.K. ----- Original Message ----- From: Silvano Cesar da Costa <silv...@uel.br> To: r-help@r-project.org Cc: Sent: Wednesday, August 8, 2012 3:22 PM Subject: [R] NULL column Hi, I have a dataset where the first column has no name. I would like to assign a name to this column to be able to use it something like: Cap <- NULL How can I do this? beta0 beta1 pvalor Crom rs17 158.5980 12.252462 9.083193e-135 1 rs46 163.3730 3.304276 3.279925e-06 1 rs63 162.7924 2.084678 5.023893e-06 1 rs24 162.4252 1.837208 5.509042e-06 1 How can I do this? Thanks, --------------------------------------------- Silvano Cesar da Costa Universidade Estadual de Londrina Centro de Ciências Exatas Departamento de Estatística Fone: (43) 3371-4346 ______________________________________________ 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.