Re: [R] How to get a list work in RData file

From: Sean O'Riordain <sean.oriordain_at_gmail.com>
Date: Tue 16 Aug 2005 - 18:02:11 EST

you know about
?history

Sean

On 16/08/05, Liaw, Andy <andy_liaw@merck.com> wrote:
> If you want to keep track of the function call that produced an object,
> usually you need to do that inside the function that's being called, e.g.,
>
> > test.xy <- function(x,y) {
> + xy <- x+y
> + attr(xy, "Call") <- match.call()
> + xy
> + }
> > xyadd <- test.xy(x=2, y=3)
> > xyadd
> [1] 5
> attr(,"Call")
> test.xy(x = 2, y = 3)
> > str(xyadd)
> atomic [1:1] 5
> - attr(*, "Call")= language test.xy(x = 2, y = 3)
>
>
> Andy
>
> > From: Xiyan Lon
> >
> > Dear R-Helper,
> > I want to know how I get a list work which I saved in RData
> > file. For
> > example,
> >
> > > test.xy <- function(x,y) {
> > + xy <- x+y
> > + xy
> > + }
> > >
> > > xyadd <- test.xy(x=2, y=3)
> > > xyadd
> > [1] 5
> > > x1 <- c(2,43,60,8)
> > > y1 <- c(91,7,5,30)
> > >
> > > xyadd1 <- test.xy(x=x1, y=y1)
> > > xyadd1
> > [1] 93 50 65 38
> > > save(list = ls(all=TRUE), file = "testxy.RData")
> > > rm(list=ls(all=TRUE))
> > > load("C:/R/useR/testxy.RData")
> > > ls()
> > [1] "test.xy" "x1" "xyadd" "xyadd1" "y1"
> > >
> > > ls.str(pat="xyadd")
> > xyadd : num 5
> > xyadd1 : num [1:4] 93 50 65 38
> > >
> >
> > When I run, I know the result like above
> > > xyadd
> > [1] 5
> > > xyadd1
> > [1] 93 50 65 38
> > >
> > what I want to know, is there any function to make the result like:
> >
> > > xyadd
> >
> > test.xy(x=2, y=3)
> >
> > and
> >
> > > xyadd1
> >
> > test.xy(x=x1, y=y1)
> >
> > Best,
> > Xiyan Lon
> >
> > ______________________________________________
> > 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
> >
> >
> >
>
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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 Received on Tue Aug 16 18:08:03 2005

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