Re: [R] Combine Values into a Vector or List

From: Jorge Ivan Velez <jorgeivanvelez_at_gmail.com>
Date: Tue, 29 Apr 2008 15:03:20 -0400

Hi Diego,

Try this:

z<-As["A1"]+As["A2"]; names(z)<-"z"
z
4

HTH, Jorge

On Tue, Apr 29, 2008 at 2:57 PM, Diego Culattoni <diegoculattoni_at_yahoo.com> wrote:

> Thank you Jorge, what I want to have is
> > z <- A1+A2
> >z
> 4
> The problem is that A1, A2,... still unknown, so that I have the following
> error
> > A1
> object "A1" not found
>
> Thank you in advance!
>
> ----- Original Message ----
> From: Jorge Ivan Velez <jorgeivanvelez_at_gmail.com>
> To: Diego Culattoni <diegoculattoni_at_yahoo.com>
> Cc: R mailing list <r-help_at_r-project.org>
> Sent: Tuesday, April 29, 2008 7:38:41 PM
> Subject: Re: [R] Combine Values into a Vector or List
>
>
> Hi Diego,
>
> Is this what you want?
>
> # Data set
> set.seed(123)
> x1<-paste("A", 1:6, sep = "")
> x2<- round(rgamma(6,2,1))
> x3<-paste("B", 1:6, sep = "")
> x4<- round(rgamma(6,2,1))
> data1 <- data.frame(x1,x2,x3,x4)
> data1
> x1 x2 x3 x4
> 1 A1 1 B1 0
> 2 A2 3 B2 0
> 3 A3 0 B3 3
> 4 A4 2 B4 2
> 5 A5 4 B5 2
> 6 A6 2 B6 2
>
> # A's
> As=as.numeric(t(data1[,1:2])[-1,])
> names(As)=paste('A',1:length(As),sep="")
> As
> A1 A2 A3 A4 A5 A6
> 1 3 0 2 4 2
>
> # B's
> Bs=as.numeric(t(data1[,3:4])[-1,])
> names(Bs)=paste('B',1:length(Bs),sep="")
> Bs
> B1 B2 B3 B4 B5 B6
> 0 0 3 2 2 2
>
> HTH,
>
> Jorge
>
>
> On Tue, Apr 29, 2008 at 1:20 PM, Diego Culattoni <diegoculattoni_at_yahoo.com>
> wrote:
>
> > Hi Richard,
> >
> > Thanks a lot! What I actually want to have
> > >A1
> > 4
> > >A2
> > 2
> > ...... and so on! Is this possible?
> >
> > Thank you again :)!
> >
> >
> > ----- Original Message ----
> > From: "Richard.Cotton_at_hsl.gov.uk" <Richard.Cotton_at_hsl.gov.uk>
> > To: Diego Culattoni <diegoculattoni_at_yahoo.com>
> > Cc: r-help_at_stat.math.ethz.ch; r-help-bounces_at_r-project.org
> > Sent: Monday, April 28, 2008 11:24:12 AM
> > Subject: Re: [R] Combine Values into a Vector or List
> >
> > > x1<-paste("A", 1:6, sep = "")
> > > x2<- round(rgamma(6,2,1))
> > > x3<-paste("B", 1:6, sep = "")
> > > x4<- round(rgamma(6,2,1))
> > > data1 <- data.frame(x1,x2,x3,x4)
> > > I would like to get
> > > data2 <- c(A1=4, A2=1, A3=0,...)
> > > Is there any standard for such a case?

> >
> > I presume that 4, 2, 0 are the first few values of x2. In which case, I
> > think that what you want is simply this:
> >
> > names(x2) <- x1
> >
> > Regards,
> > Richie.
> >
> > Mathematical Sciences Unit
> > HSL
> >
> >
> > ------------------------------------------------------------------------
> > ATTENTION:
> >
> > This message contains privileged and confidential
> > inform...{{dropped:28}}
> >
> > ______________________________________________
> > R-help_at_r-project.org mailing list
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> >
>
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