Displaying 20 results from an estimated 22 matches for "3rb".
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3b
2004 Sep 27
8
cannot assign dimnames
...o matrices or arrays I would be most
grateful for help. I've tried various permutations of likely-looking code
but get error messages every time. I could find no example in the
documentation.
Many thanks,
Dan Bebber
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford OX1 3RB
UK
Tel. 01865 275000
2004 May 12
2
Extracting data from matrices
...faster
way that doesn?t involve loops.
If anyone knows the way I would be most grateful.
Below is the code I am using at present-
for (i in 1:n){
W[i]<-P[V[i],i]}
Many thanks,
Dan Bebber
____________________________
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford OX1 3RB
UK
Tel. 01865 275060
Fax. 01865 275074
2004 Jun 17
2
nlme graphics in a loop problem
...ng easy that could sort
it out.
Thanks,
Chris
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr. Christopher Knight Tel:+44 1865 275111
Dept. Plant Sciences +44 1865 275790
South Parks Road
Oxford OX1 3RB Fax:+44 1865 275074
` ?? . , ,><(((??>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2004 Jun 04
2
Error() term in glm model formula
...My question is: is there any way of modelling the experimental design in
glm, or should I transform the data as best as I can and stick with aov?
Many thanks,
Dan Bebber
____________________________
Dr. Daniel P. Bebber
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford
OX1 3RB
Tel. 01865 275060
[[alternative HTML version deleted]]
2002 Dec 09
1
3D density estimation
...imple I could implement which might be
preferable?
Any help much appreciated,
Chris
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr. Christopher G. Knight Tel:+44 (0)1865 275 111
Department of Plant Sciences +44 (0)1865 275 790
South Parks Road
Oxford OX1 3RB
UK `
? . , ,><(((?>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2004 Nov 17
4
summary.lme() vs. anova.lme()
...nova() for single arguments briefly
on p.90.
I would like to know whether these results indicate that the significant
effect found in summary(mconc.lme) is spurious (perhaps due to
multiplicity).
Many thanks,
Dan Bebber
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford OX1 3RB
UK
Tel. 01865 275000
2004 Jun 10
2
odesolve: lsoda vs rk4
...7e-6, D=0.57e-6)
times <- c(0.05 * (0:999))
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr. Christopher Knight Tel:+44 1865 275111
Dept. Plant Sciences +44 1865 275790
South Parks Road
Oxford OX1 3RB Fax:+44 1865 275074
` ?? . , ,><(((??>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2003 Aug 11
4
subscripts in lists
...e lower
efficiency of looping was likely to matter.
Any help much appreciated,
Chris
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Dr. Christopher G. Knight Tel:+44 (0)1865 275 111
Department of Plant Sciences +44 (0)1865 275 790
South Parks Road
Oxford OX1 3RB
UK `
? . , ,><(((?>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2004 May 18
0
Circular statistics with (direction,size) data
...s
are repeated in proportion to the vector size, but this would lead to very
large data sets. Does anyone have a better solution to this problem?
Many thanks,
Dan Bebber
____________________________
Dr. Daniel P. Bebber
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford
OX1 3RB
Tel. 01865 275060
Web. http://www.forestecology.co.uk/
"Data, data, data!" he cried impatiently. "I can't make bricks without clay"
- Sherlock Holmes, The Adventure of the Copper Beeches, 1892
[[alternative HTML version deleted]]
2004 Jun 17
1
Error with arima()
...th, order = c(1, 0, 0), include.mean = T) :
non-stationary AR part from CSS
and why it does not arise with
> arima0(ts.growth, order = c(1,0,0))
Many thanks
____________________________
Dr. Daniel P. Bebber
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford
OX1 3RB
[[alternative HTML version deleted]]
2004 Jul 28
0
Modelling compound logistic growth curves
...) + SSlogis(Time, :
step factor 0.000488281 reduced below `minFactor' of 0.000976563
Assistance in doing this analysis would be much appreciated.
Dan Bebber
____________________________
Dr. Daniel P. Bebber
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford
OX1 3RB
Tel. 01865 275060
Web. http://www.forestecology.co.uk/
"Data, data, data!" he cried impatiently. "I can't make bricks without
clay"
- Sherlock Holmes, The Adventure of the Copper Beeches, 1892
2004 Aug 16
0
Multiple logistic curves
...gis(Time, :
step factor 0.000488281 reduced below `minFactor' of 0.000976563
Any hints in making this analysis work would be greatly appreciated.
Dan Bebber
____________________________
Dr. Daniel P. Bebber
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford
OX1 3RB
Tel. 01865 275060
Web. http://www.forestecology.co.uk/
2004 Oct 28
1
Error with package update
...PTION file of package 'file7460' missing or broken
in: packageDescription(i, fields = "Title", lib.loc = lib)
I am running R 2.0 on Windows XP.
Any ideas what caused this?
Many thanks,
Dan Bebber
Department of Plant Sciences
University of Oxford
South Parks Road
Oxford OX1 3RB
UK
Tel. 01865 275000
2005 Apr 05
2
Dead wood code
Is there a package, or does anyone have code they are willing to share, that would allow me to simulate sampling of dead wood pieces across an area? I am specifically looking for code to simulate the dead wood distribution as small line segments across an extent, and then I will "sample" the dead wood using different sampling techniques including line transects, fixed area plots, etc.
2008 Feb 13
2
UK issue - Asterisk dialling 999... sort of
...er is dealt with by a virtual machine, alarm system is on a
different number...
Any ideas before the rossers come and take me away?
Phil
Phil Knighton
Support Engineer
MJog Support Team
Soft Option Technologies Ltd
The Old School, 23 High Street, Wilburton, Cambridgeshire, CB6 3RB
Tel: 01353 741641 | Fax: 01353 741341 | Email: info at mjog.com
<mailto:info at mjog.com> | Web: www.mjog.com <http://www.mjog.com/>
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2004 Oct 06
2
Repeated measures
I have a data set in which I have 5000 repeated measures on 6 subjects
over time (varying intervals, but measurements for all individuals are
at the same times). There are two states, a "resting" state (the
majority of the time), and a perturbed state. I have a continuous
measurement at each time point for each of the individuals. I would
like to determine the "state"
2005 Mar 28
1
glmmPQL questions
I am looking a risk factors for disease in cattle and am interested in modelling
farm and sampling cluster as random effects (My outcome is positive or negative
at the level of the farm). I am using R version 2.0.1 on a Mac and have
identified glmmPQL as hopefully the correct function to use. I have run a
couple of models using this but was hoping that you might be able to answer a
few questions.
2008 Jan 02
4
Lamps on Snom phones
...ing *should* be working
fine. There must be something different within 1.4 that I'm missing?
Any ideas would be appreciated!
Cheers
Phil Knighton
Support Engineer
MJog Support Team
Soft Option Technologies Ltd
The Old School, 23 High Street, Wilburton, Cambridgeshire, CB6 3RB
Tel: 01353 741641 | Fax: 01353 741341 | Email: info at mjog.com
<mailto:info at mjog.com> | Web: www.mjog.com <http://www.mjog.com/>
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2005 Feb 08
3
logistic regression
Hi,
I'm using glm function to do logistic regression and now I want to know if it
exists a kind of R-squared with this function in order to check the model.
Thank you.
2006 Sep 20
8
Statitics Textbook - any recommendation?
I would like to buy a basic statistics book (experimental design,
sampling, ANOVA, regression, etc.) with examples in R. Or download it
in PDF or html format.
I went to the CRAN contributed documentation, but there were only R
textbooks, that is, textbooks where R is the focus, not the
statistics. And I would like to find the opposite.
Other text I am trying to find is multivariate data