Message-ID: <419CE03E.7070307@jhsph.edu>
Date: 2004-11-18T17:47:42Z
From: Roger D. Peng
Subject: hashing using named lists
In-Reply-To: <06E6EB1E-397F-11D9-AD4A-000A95764B04@bu.edu>
You could try using environments:
> e <- new.env(hash = TRUE)
> e$new <- 1:4
> ls(e)
[1] "new"
> e$new
[1] 1 2 3 4
> e$ne
NULL
-roger
ulas karaoz wrote:
> hi all,
> I am trying to use named list to hash a bunch of vector by name, for
> instance:
> test = list()
> test$name = c(1,2,3)
>
> the problem is that when i try to get the values back by using the name,
> the matching isn't done in an exact way, so
> test$na is not NULL.
>
> is there a way around this?
> Why by default all.equal.list doesnt require an exact match?
> How can I do hashing in R?
>
> thanks.
> ulas.
>
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--
Roger D. Peng
http://www.biostat.jhsph.edu/~rpeng/