Hi,
When I run this example code on a G5 the last digit is dropped off on a
binary installation of R (R.app), whereas on a linux machine the digit is
not removed.
# Code:
a - seq(0,1, length=1000)[12]
a
as.character(a)
as.character(as.numeric(as.character(a)))
# Results I get:
a - seq(0,1,
Hi,
if a striped down version of t.test is required for speed, before implementing
a rewrite I would check out the multtest Bioconductor package.
It takes a fraction of a second to do 56000 t-tests on a 2.4 Ghz PIV.
dim(X)
[1] 56000 4
pcols - 4
replicates - rep(0:1, each=2)
Mark,
there is a fdr website link via Yoav Benjamini's homepage which is:
http://www.math.tau.ac.il/%7Eroee/index.htm
On it you can download an S-Plus function (under the downloads link) which
calculates the false discovery rate threshold alpha level using stepup,
stepdown, dependence methods
Or ?formatC, e.g.
tmp - c(1,10,100,1000,1)
formatC(tmp, digits=4, format=d)
[1] 110 100 1000 1
sapply(tmp, function(x){sprintf(%5.0f, as.double(x))})
[1] 110 100 1000 1
marcus
Andrew Robinson [EMAIL PROTECTED] 14/12/2004 1:51:51 PM
Or ?sprintf
Andrew
Havent seen anything on R-devel yet on this topic, but if the elseif statement
on line 43 of seq.default was
else if (length.out == 0)
double(0)
instead of
else if (length.out == 0)
numeric(0)
then that *might* satisfy Richard A. O'Keefe's comment for length=0:n cases
On a 32-bit windows (standard install or R) machine you cannot allocate more
than 2Gigs
of memory,
R --max-mem-size=2G
or
R --max-mem-size=2000M
If you try to allocate more than 2G (eg 4000 Meg) I suspect it then defaults
back to 1Gig. Check you memory limit with memory.limit(). There is lots
Bringing up an old topic on a small technicality.
In the help documentation on seq.
Value:
The result is of 'mode' 'integer' if 'from' is (numerically
equal to an) integer and 'by' is not specified.
The arguement in seq specifying length also creates double which is not
obvious in
Hi,
If you choose to use LaTeX and xtable, you can also enhance the visual
presentation
of the output tables using the booktab LaTeX package. Have a look at:
http://www.ecs.soton.ac.uk/~srg/softwaretools/document/start/booktabs.pdf
You can change the horizontal line tags \hline to \toprule,
Hi,
I am also interested in the same topic, that is windows 32bit
restriction to 4Gigs of virtual
address space partitioning into User and System space.
For your reconfigured server 3:1 User to System space what does
memory.limit()
say is available?
For those interested a windows FAQ link on
))
[1] 99
length(runif(m*(1-pi0),min=0, max=1))
[1] 99
marcus
Marcus Davy
Bioinformatics
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