Dear list,
Given a list of elements like:
aa <- list(one=c("o", "n", "e"),
tea=c("t", "e", "a"),
thre=c("t", "h", "r", "e"))
Is there a function that returns the intersection between all?
Both match() and intersect() only deal with two arguments, but sometimes I
ha
On Sat, 2007-10-06 at 19:49 +, Adrian Dusa wrote:
> Dear list,
>
> Given a list of elements like:
> aa <- list(one=c("o", "n", "e"),
>tea=c("t", "e", "a"),
>thre=c("t", "h", "r", "e"))
>
> Is there a function that returns the intersection between all?
> Both ma
On Saturday 06 October 2007, Marc Schwartz wrote:
> [...]
>
> intersectList <- function(x)
> {
> res <- table(unlist(sapply(x, unique)))
> names(res[res == length(x)])
> }
>
>
> In the first line, I use unique() to ensure that if the same letter
> appears more than once in the same list element
zoo's merge can do a multiway intersection. We turn each component
of aa into the times of a dataless zoo object (assuming the elements of
each component are unique) and merge them together using all = FALSE
which will only leave those points at times in all components. Extracting
the time and st
On Sunday 07 October 2007, Gabor Grothendieck wrote:
> zoo's merge can do a multiway intersection. We turn each component
> of aa into the times of a dataless zoo object (assuming the elements of
> each component are unique) and merge them together using all = FALSE
> which will only leave those p
Perhaps its a version problem? Here is what I get:
> aa <- list(one=c("o", "n", "e"),
+ tea=c("t", "e", "a"),
+ thre=c("t", "h", "r", "e"))
> library(zoo)
> as.vector(time(do.call(merge, c(lapply(aa, function(x) zoo(,x)), all =
> FALSE
[1] "e"
>
> R.version.string
On Sunday 07 October 2007, you wrote:
> Perhaps its a version problem? [...]
>
> > R.version.string # Vista
>
> [1] "R version 2.6.0 beta (2007-09-23 r42958)"
>
> > packageDescription("zoo")$Version
>
> [1] "1.3-2"
I don't know, everything is up to date here, too.
I'm using Kubuntu Linux and the
I thought the latest zoo fixes were on CRAN but perhaps they
are not. Try this:
library(zoo)
# next line loads latest version of merge.zoo (fixed in August)
source("http://r-forge.r-project.org/plugins/scmsvn/viewcvs.php/*checkout*/pkg/R/merge.zoo.R?rev=361&root=zoo";)
as.vector(time(do.call(me
On Sunday 07 October 2007, Gabor Grothendieck wrote:
> I thought the latest zoo fixes were on CRAN but perhaps they
> are not. Try this:
>
> library(zoo)
> # next line loads latest version of merge.zoo (fixed in August)
> source("http://r-forge.r-project.org/plugins/scmsvn/viewcvs.php/*checkout*/
On 10/7/07, Adrian Dusa <[EMAIL PROTECTED]> wrote:
> On Sunday 07 October 2007, Gabor Grothendieck wrote:
> > I thought the latest zoo fixes were on CRAN but perhaps they
> > are not. Try this:
> >
> > library(zoo)
> > # next line loads latest version of merge.zoo (fixed in August)
> > source("ht
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