[R] How to stack row vector on top of each other?
gpetris at uark.edu
Fri Feb 15 16:37:14 CET 2013
From: r-help-bounces at r-project.org [r-help-bounces at r-project.org] on behalf of Nordlund, Dan (DSHS/RDA) [NordlDJ at dshs.wa.gov]
Sent: Thursday, February 14, 2013 7:19 PM
Subject: Re: [R] How to stack row vector on top of each other?
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of C W
> Sent: Thursday, February 14, 2013 5:08 PM
> To: r-help
> Subject: [R] How to stack row vector on top of each other?
> Hi list,
> How do you actually stack a vector on top of each other? Say, I want
> everything in a row vector. Neither rbind(), nor cbind() will do the
> It gives me 2 dimension.
> Here's my reproducible example:
> > a <- rnorm(10)
> > b <- rnorm(10)
> > c <- cbind(a,b)
> > dim(c)
>  10 2
> > d <- rbind(a,b)
> > dim(d)
>  2 10
I guess I don't know what you mean by "actually stack a vector on top of each other". Given the vectors
a <- 1:3
b <- 4:6
What result do you want from "stacking" a and b?
Daniel J. Nordlund
Washington State Department of Social and Health Services
Planning, Performance, and Accountability
Research and Data Analysis Division
Olympia, WA 98504-5204
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