If you want to append to the first/last column or row, then use cbind or rbind. It is a little tricky if you want to insert a row in the middle somewhere. See insertRow in micEcon package.
Regards, Adai On Wed, 2005-07-13 at 12:08 +0200, ecoinfo wrote: > Hi, > May I ask a related question, how to insert a row/column to a matrix? > Thanks > Xiaohua > > On 13 Jul 2005 11:38:30 +0200, Peter Dalgaard <[EMAIL PROTECTED]> > wrote: > > > > Navarre Sabine <[EMAIL PROTECTED]> writes: > > > > > Hi, > > > I would like to know if it's possible to delete a rox from a matrix? > > > > > > > fig > > > [,1] [,2] [,3] [,4] > > > [1,] 0 1 0.0 0.2 > > > [2,] 0 1 0.2 0.8 > > > [3,] 0 1 0.8 1.0 > > > [4,] 0 1 NA NA > > > [5,] 0 1 NA NA > > > > > > I would like to delete the 2 rows with NA! > > > > fig <- fig[-c(4,5),] > > > > or, more generally > > > > fig <- fig[complete.cases(fig),] > > > > or, even more generally > > > > fig <- fig[!apply(is.na(fig), 1, any),] > > > > -- > > O__ ---- Peter Dalgaard ster Farimagsgade 5, Entr.B > > c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K > > (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 > > ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 > > > > ______________________________________________ > > 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 > > > > > > -- > > [[alternative HTML version deleted]] > > ______________________________________________ > 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 ______________________________________________ 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
