Displaying 12 results from an estimated 12 matches for "asher".
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sher
2011 Dec 29
3
Array element is function of its position in the array
I want to create a new array which selects values from an original array
based on a function of the indices. That is:
I want to create a new matrix Vnew[i,j,k]=Vold[i,j,ks] where ks is a
function of the index elements i,j,k. I want to do this WITHOUT a loop.
Call the function "ksfunction", and the array dimensions nis,njs,nks. I can
do this using a loop as follows:
# Loop version:
2013 Oct 20
1
Question about selective importing of package functions...
I'm working on an update for my CRAN package "spatial.tools" and I noticed
a new warning when running R CMD CHECK --as-cran:
* checking CRAN incoming feasibility ... NOTE
Maintainer: 'Jonathan Asher Greenberg <spatial-tools@estarcion.net>'
Depends: includes the non-default packages:
'sp' 'raster' 'rgdal' 'mmap' 'abind' 'parallel' 'foreach'
'doParallel' 'rgeos'
Adding so many packages to the search path is exc...
2010 Mar 04
2
Running script with double-click
Hi,
I need to be able to run an R script by double-clicking the file name in
Windows. I've tried associating the .r extension with the different R
.exe's in /bin but none seems to work. Some open R then close right
away, and Rgui.exe gives the message ARGUMENT "/my/file.r" __ignored__
before opening a new, blank session.
I've tried Google and looking in the R for
2010 Feb 26
2
Problem accessing sub-methods of functions stored in a vector
Hi folks,
I am having trouble accessing sub-functions when the main function is
stored in an array. For example, the following test code works fine:
fcns = c(abs, sqrt)
fcns[[1]](-2)
fcns[[2]](2)
However, when I try to access sub-functions declared within list() in a
function, this only works directly. When I try to access these within an
array only the first declared sub-function is run.
2010 Aug 18
5
Linear regression equation and coefficient matrix
Hi,
I have 20*60 data matrix (with some NAs) and I wish to perfom a Pearson
correlation coefficient matrix as well as simple linear regression equation
and coefficient of determination (R2) for every possible combination. Any
tip/idea/library/script how do to so.
Thanks,
As hz
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2012 Nov 15
1
hessian fails for box-constrained problems when close to boundary?
...ry
close to the boundary, which will make optim(..., hessian=TRUE) or
optimHessian() fail, as they do not follow the box-constraints, and hence
estimate the function in the unfeasible parameter space.
As a simple example (my problem is more complex though, simple param
transformations do not apply ashere), imagine estimating mu and sigma
(restricted to be >0) of a simple normally distributed data, where however
the true sigma is very close to zero:
LLNorm <- function(para, dat=rn) return(-sum(dnorm(dat, para[1], para[2],
log=TRUE)))
rn2 <- c(rep(10.3, 2000), 10.31)
>optim(c(10,1), f...
2010 Jun 22
1
random sequence
? stato filtrato un testo allegato il cui set di caratteri non era
indicato...
Nome: non disponibile
URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20100622/384b1c5e/attachment.pl>
2003 Aug 12
0
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2006 Nov 14
1
Javascript to access AD?
Does anyone know how I might be able to use the Javascript libs that
come with Samba 4 to create a web page that can search Active Directory
(an actual MS AD server)? I looked through the SWAT pages, but I
didn't get a sense of how to use it (or if I could).
I know this is not a strictly Samba question, but I'd like a platform
independent way to access an AD server and this seems
2011 Apr 12
1
Bayesian PCA
First of all I should say this email is more of a general statistics questions rather than being specific to using R but I'm hoping that this may be of general interest.
I have a dataset that I would really like to use PCA on and have been using the package pcaMethods to examine my data. The results using traditional PCA come out really nicely. The dataset is comprised of a set of questions
2004 Nov 22
0
Virus Found
Your Mail Infected with Virus
Contact your System Admin
IT Dept Al Ansari Trading
Attachment file : Data.zip::DATA.TXT
.EXE
Virus name : W32/Netsky.z@MM
Action taken : Deleted...
2005 Aug 16
1
Wine compile failure while compiling glu32
I have been trying to compile wine on my Mac PowerBook
G3 running Debian, and it continually crashes with the
following error:
../../tools/winegcc/winegcc -B../../tools/winebuild
-shared ./glu32.spec glu.o glu32.dll.dbg.o -o
glu32.dll.so -L../../dlls -L../../dlls/kernel32
-L../../dlls/ntdll -lkernel32 -lntdll
-L../../libs/wine -lwine -L/usr/X11R6/lib -lSM -lICE
-lXxf86dga -lXxf86vm -lXext