On Jun 17, 2009, at 2:45 PM, Dimitris Rizopoulos wrote:
try this:
dat1 <- data.frame(x = rnorm(5))
dat2 <- data.frame(y = rnorm(5))
dat3 <- data.frame(z = rnorm(5))
lis <- list(dat1 = dat1, dat2 = dat3)
c(lis, list(dat3 = dat3))
Or:
lis[["dat3"]] <- dat3
I hope it helps.
Best,
Dimitris
Steve Jaffe wrote:
I'm trying to build up a list of data.frames by "appending" one by
one. If x,y,z are data.frames, I can do
somelist <- list(x, y, z) (or even somelist <- list(x=x, y=y, z=z)
to get
names)
But if I start with somelist <- list(x,y) and now want to go from
this to list(x,y,z) I'm stuck.
I've tried
append(somelist, z)
c(somelist, z)
list(somelist, z)
Each gives a different result but none are what I'm looking for. Any
suggestions? Thanks
--
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center
Address: PO Box 2040, 3000 CA Rotterdam, the Netherlands
Tel: +31/(0)10/7043478
Fax: +31/(0)10/7043014
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David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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