Re: [R] help about R basic

2011-09-25 Thread Sarah Goslee
On Sun, Sep 25, 2011 at 9:40 AM, David Winsemius wrote: > (I do not know why Sarah Goslee is telling you that you cannot access > matrices with column names. You clearly can do so. Maybe I misread her > statement.) I suppose I should have said that you can't access matrices via column name *like

Re: [R] help about R basic

2011-09-25 Thread David Winsemius
On Sep 25, 2011, at 5:03 AM, 阮铮 wrote: This is my first time to ask for help in the R mailing list, so sorry for my misbehavior. The question is actually an example of the apply function embedded in R. Code is here: x <- cbind(x1 = 3, x2 = c(4:1, 2:5)) > dimnames(x)[[1]] <- letters[1:8

Re: [R] help about R basic

2011-09-25 Thread Sarah Goslee
Hi, On Sun, Sep 25, 2011 at 5:03 AM, 阮铮 wrote: > This is my first time to ask for help in the R mailing list, so sorry for my > misbehavior. > > > The question is actually an example of the apply function embedded in R. Code > is here: > >> x <- cbind(x1 = 3, x2 = c(4:1, 2:5)) > dimnames(x)[[1]

[R] help about R basic

2011-09-25 Thread 阮铮
This is my first time to ask for help in the R mailing list, so sorry for my misbehavior. The question is actually an example of the apply function embedded in R. Code is here: > x <- cbind(x1 = 3, x2 = c(4:1, 2:5)) > dimnames(x)[[1]] <- letters[1:8] > x > x1 x2 a 3 4 b 3 3 c 3 2 d 3