On May 10, 2009, at 7:33 PM, Rolf Turner wrote:
On 11/05/2009, at 9:17 AM, David A Vavra wrote:
The dataset package is being loaded apparently by one of the
packages that I
am using. The loading of the datasets takes a long time and I would
like to
eliminate it. I thought the datasets were effectively examples so
don't
understand why they would be required at all.
1) How can I determine what is causing the datasets to be loaded?
2) How can I stop them from doing so?
I am using the following:
Rpart, grDevices, graphics, stats, utils, methods, base
There is also an environment named 'Autoloads'
TIA
The datasets (note the ``s'') is a required R package which is
*always* loaded
automatically --- and in my experience instantaneously.
I don't know about a dataset (singular) package. There does not
appear to be
one on CRAN.
There is some confusion in what you are doing.
My guess is that she has created a large object in .Rdata that she
does not remember. The way forward would be to use one of the several
implementations of ls() that report size. Searching on"
ls object size
...in the r-search pages may offer ideas.
<http://search.r-project.org/nmz.html>
Here is one that Jim Holtman offered earlier this year:
my.ls <-
function (pos = 1, sorted = F)
{
.result <- sapply(ls(pos = pos, all.names = TRUE), function(..x)
object.size(eval(as.symbol(..x))))
if (sorted) {
.result <- rev(sort(.result))
}
.ls <- as.data.frame(rbind(as.matrix(.result), `**Total` =
sum(.result)))
names(.ls) <- "Size"
.ls$Size <- formatC(.ls$Size, big.mark = ",", digits = 0,
format = "f")
.ls$Mode <- c(unlist(lapply(rownames(.ls)[-nrow(.ls)],
function(x) mode(eval(as.symbol(x))))),
"-------")
.ls
}
--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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