Hi again, R community.
I wonder how you do line breaks in \useage{} section in .Rd files. I
am sure there's some tutorial for this somewhere, but I just haven't
found it.
I have tried \\, \cr, \br and \newline, admittedly arbitrarily, but
all of these produce warnings or errors.
br,
Ok, apologies.
On Oct 12, 2012, at 2:52 AM, Markku Karhunen wrote:
Hi all,
I've been wondering for a long time why R drops the dimensions of
an array/matrix when you try to take a subset of one column. I mean
this:
dim(A)
[1] 2 5 2
B=A[1,,]
dim(B)
5 2 # so now dim(B)[3] doesn't work
rid of this by writing as.matrix, as.array(...)
but that generates extra lines of code. This is really annoying. Does
anybody know how to turn this behaviour off?
best,
Markku Karhunen
Uni. Helsinki
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Hi Community,
I would like to do regularized logistic regression, e.g. lasso, plasso
or ridge regression. Can you recommend any packages? Low memory
requirement / computational cheapness would be a plus.
Markku Karhunen
Uni. Helsinki
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On 04-Sep-09 10:45:27, Markku Karhunen wrote:
True. Should have read ?diag.
However, this provokes a more general question: Is there some way I
can declare some scalar and _all its functions_ as matrices?
For instance, I would like to
A = as.matrix(0.98)
B = function(A)
C = diag(sqrt(B
Hi,
Does anybody know, what is going on here?
diag(sqrt(1))
[,1]
[1,]1
diag(sqrt(0.))
0 x 0 matrix
sqrt(1)
[1] 1
sqrt(0.)
[1] 0.5773214
BR, Markku Karhunen
researcher
University of Helsinki
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True. Should have read ?diag.
However, this provokes a more general question: Is there some way I
can declare some scalar and _all its functions_ as matrices?
For instance, I would like to
A = as.matrix(0.98)
B = function(A)
C = diag(sqrt(B))
so that all scalars are explicitly [1,1]
Thank you all.
We must think about implementing these packages. In the meantime, I
should clarify my question: Is there any evidence that doing the dumb
for loop discretisation is any more dangerous in R, than in any other
language? Apparently not?
Best,
Markku Karhunen
have you looked
nasty orbits.
Best,
Markku Karhunen
National Public Health Institute,
Finland
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Thanks, Dr. Maechler.
No, there's no such track.
[ Matlab users coming to R may produce wrong R code
by using 0:n-1 instead of 0:(n-1) ; but I don't assume this
would be the case ]
Been there, done that!
MK We use just a simple discretisation written in a for loop
MK and a
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