Displaying 20 results from an estimated 125 matches for "monash".
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2008 Mar 05
3
ipf function in R
...to use the ipf (iterative proportional fitting) function which
is apparently in the cat package.
Can somebody please advice me how to input this data and invoke ipf in R
to obtain an updated contingency table?
Thanks.
By the way I am quite new to R.
--
Dr Chandra Shah
Senior Research Fellow
Monash University-ACER Centre for the Economics of Education and Training
Faculty of Education, Building 6,
Monash University
Victoria
Australia 3800
Tel. +61 3 9905 2787
Fax +61 3 9905 9184
www.education.monash.edu.au/centres/ceet
2012 May 20
5
removeing only rows/columns with "na" value from square ( symmetrical ) matrix.
...1 2 1 1 2 1
2 2 0 1 2 1 1 2 1
3 1 1 0 2 1 1 2 1
4 2 2 2 0 1 1 2 1
5 1 1 1 1 0 1 2 1
7 1 1 1 1 1 0 2 1
8 2 2 2 2 2 2 0 1
9 1 1 1 1 1 1 1 0
if i use na omit I lose rows 1,2,6, and 9
which is not what I want.
thanks
--
Nevil Amos
Molecular Ecology Research Group
Australian Centre for Biodiversity
Monash University
CLAYTON VIC 3800
Australia
[[alternative HTML version deleted]]
2004 Sep 10
3
Improving on Rice coding
...the distribution of prediction
errors, wheras Flac uses Rice coding, which assumes a two tailed
exponential distribution.
Given that Flac is much more advanced in other respects, i wonder if
you are interested in using bonk's encoding scheme?
The relevant file is utility.h in
http://yoyo.cc.monash.edu.au/~pfh/bonk/bonk-0.6.tar.gz. I've put a draft
description of the encoder here:
http://www.csse.monash.edu.au/~pfh/random/encoder.pdf
regards,
Paul
Email: pfh@csse.monash.edu.au
one ring, no rulers, thecircle.org.au
2010 May 15
1
conditional calculations per row (loop versus apply)
...nrow(dataframe) ) {
if (Type.code[i]%in%Table.A) Reading[i]<-function 1
else
if (Type.code[i]%in%tTable.B) Reading[i]<-function 2
else
if (Type.code[i]%in%Table.C) Reading[i]<-function 3
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr Nick Bond
Research Fellow
Monash University
Victoria, Australia, 38000
Email: Nick.Bond@sci.monash.edu.au
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
[[alternative HTML version deleted]]
2003 Mar 03
1
transition matrix problem
...the probabilities associated
with each transition.
The code works on the cumulative distribution of the relevant column of
the transition matrix, which is determined by the current cell value in
x.
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr Nick Bond
Department of Biological Sciences
Monash University (Clayton Campus)
Victoria, Australia, 3800
Ph: +61 3 9905 5606 Fax: +61 3 9905 5613
Email: Nick.Bond at sci.monash.edu.au
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2012 Apr 10
7
How to remove $ (Dollar sign) from string
...","ABC$DEF")
Error: '\$' is an unrecognized escape in character string starting "\$"
> sub(\$,"","ABC$DEF")
Error: unexpected input in "sub(\"
Thanks
--
Nevil Amos
Molecular Ecology Research Group
Australian Centre for Biodiversity
Monash University
CLAYTON VIC 3800
Australia
[[alternative HTML version deleted]]
2003 Jul 07
1
Problems with a dll under windows
...N1X5Give7EPd",x)
[[1]]
[1] 3
For some reason, it is not altering x as it should.
What am I doing wrong?
Thanks.
Rob Hyndman
___________________________________________________
Rob J Hyndman
Associate Professor & Director of Consulting
Department of Econometrics & Business Statistics
Monash University, VIC 3800, Australia.
http://www-personal.buseco.monash.edu.au/~hyndman/
2008 Jan 14
2
plot POSIXct format data
...ot;1995-07-01 01:00:00" "1995-07-01 07:00:00"
.......
But it seems plot(x,y) doesn't work, y have to be numeric format. Is
there any special command for that or I should change the format of the
data?
Thanks
Jingru Dai
----
School of Mathematical Sciences
Rm 454, Building 28
Monash University, 3800
Victoria, Australia
2003 Nov 24
4
R postscript generation error (lines versus points) (PR#5285)
Full_Name: Stephen Harker
Version: 1.80
OS: linux (Yellow Dog 3.0 on ppc)
Submission from: (NULL) (130.194.13.101)
In creating a postscript file from a set of data in which the points are
plotted
using `points()' and lines drawn using `lines()' I have found since upgrading
from R version 1.4? to 1.8 that the two sets do not coinicide completely. This
is best illustrated by a simple
2017 Feb 15
2
stats::median
...other
arguments.
This shouldn't break any code, and will make it easier for new S3
methods to be developed. It is also consistent with almost all other
S3 methods which do include an ellipsis.
-------------------------------------------------------------
Rob J Hyndman
Professor of Statistics, Monash University
www.robjhyndman.com
2004 Sep 10
0
Improving on Rice coding
--- Paul Harrison <pfh@mail.csse.monash.edu.au> wrote:
> Hello,
>
> I am the author of the Bonk audio compression program... i've just
> been
> looking at your comparrison table, and i noticed bonk gets marginally
> better compression than Flac on some files (actually i was
> rather surprised to see bonk on t...
2001 Sep 06
1
Mixed-effects model problem.
...m to convince
lme() to fit it. It seems to want a grouping variable and I can't
persuade it that there is no such thing.
Any help would be appreciated.
Rob
__________________________________________________
Associate Professor Rob J Hyndman
Department of Econometrics & Business Statistics,
Monash University, VIC 3800, Australia
http://www-personal.buseco.monash.edu.au/~hyndman/
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscr...
2003 Feb 13
2
ROC
Hi, can you advise me is there any ROC(Receiver
Operating Characteristic)analysis program in R?
Thanks,
Dechao
=====
Dechao Wang
Tel: (44) 01223 719718
Mob: (44) 07729 411134
__________________________________________________
Everything you'll ever need on one web page
from News and Sport to Email and Music Charts
2006 Jul 26
3
Moving Average
Dear R-Users,
How can I compute simple moving averages from a time series in R?
Note that I do not want to estimate a MA model, just compute the MA's
given a lenght (as excel does).
Thanks
________________________________________
Ricardo Gonçalves Silva, M. Sc.
Apoio aos Processos de Modelagem Matemática
Econometria & Inadimplência
Serasa S.A.
(11) - 6847-8889
ricardosilva@serasa.com.br
2008 Feb 28
1
problem of subscript value from vector and list
...no idea why it returns the wrong value when I subscripts by x,
while it works perfectly fine when I subscripts with the value of x
directly. Is there any special rule of subscripts? My version of R is
2.5.1.
Thanks a lot
Jingru Dai
----
School of Mathematical Sciences
Rm 454, Building 28
Monash University, 3800
Victoria, Australia
2010 May 20
1
Geneland error on unix: Error in MCMC(........ :, unused argument(s) (ploidy = 2, genotypes = geno)
I am receiving the above error ( full r session output below) the
script runs OK in windows. and "genotypes" and "ploidy" are both
correct arguments
any suggestions would be most welcome
Nevil Amos
MERG/ACB
Monash University School of Biological Sciences
> library(Geneland)
Loading required package: RandomFields
Loading required package: fields
Loading required package: spam
Package 'spam' is loaded. Spam version 0.21-0 (2010-03-13).
Type demo( spam) for some demos, help( Spam) for an over...
2017 Mar 01
1
stats::median
>>>>> Martin Maechler <maechler at stat.math.ethz.ch>
>>>>> on Mon, 27 Feb 2017 10:42:19 +0100 writes:
>>>>> Rob J Hyndman <Rob.Hyndman at monash.edu>
>>>>> on Wed, 15 Feb 2017 21:48:56 +1100 writes:
>> The generic stats::median method is defined as median <-
>> function (x, na.rm = FALSE) {UseMethod("median")}
>> I suggest that this should become median <- function (x,...
2012 Jan 11
2
Vegan(ordistep) error: Error in if (aod[1, 5] <= Pin) { : missing value where TRUE/FALSE needed
...Eigenvalues for unconstrained axes:
PC1 PC2 PC3 PC4 PC5 PC6 PC7 PC8
0.16008 0.14733 0.12183 0.09054 0.07380 0.06971 0.05578 0.04215
(Showed only 8 of all 29 unconstrained eigenvalues)
--
Nevil Amos
Molecular Ecology Research Group
Australian Centre for Biodiversity
Monash University
CLAYTON VIC 3800
Australia
[[alternative HTML version deleted]]
2017 Feb 27
0
stats::median
>>>>> Rob J Hyndman <Rob.Hyndman at monash.edu>
>>>>> on Wed, 15 Feb 2017 21:48:56 +1100 writes:
> The generic stats::median method is defined as median <-
> function (x, na.rm = FALSE) {UseMethod("median")}
> I suggest that this should become median <- function (x,
> na.rm...
2002 Dec 12
2
Problem with dyn.load in R1.6.1
...documentation. This
problem occurred on two different machines, and both run the code under
R1.6.0 without a problem.
Rob Hyndman
___________________________________________________
Rob J Hyndman
Associate Professor & Director of Consulting
Department of Econometrics & Business Statistics
Monash University, VIC 3800, Australia.
http://www-personal.buseco.monash.edu.au/~hyndman/