[R] delete a row from a matrix
Hi, I would like to know if it's possible to delete a rox from a matrix? fig [,1] [,2] [,3] [,4] [1,]01 0.0 0.2 [2,]01 0.2 0.8 [3,]01 0.8 1.0 [4,]01 NA NA [5,]01 NA NA I would like to delete the 2 rows with NA! Thanks Sabine - [[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
Re: [R] delete a row from a matrix
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,]01 0.0 0.2 [2,]01 0.2 0.8 [3,]01 0.8 1.0 [4,]01 NA NA [5,]01 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 Øster 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
Re: [R] delete a row from a matrix
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 Øster 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
Re: [R] delete a row from a matrix
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
