Dear all,
I'm working on mountain visualization in gCLUSO program
(http://www-users.cs.umn.edu/~mrasmus/gcluto/index.shtml). Does anyone
of you know, if three exist any analogy in R?
Best regards, Andrej
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HTH, Andrej
On Jul 18, 6:04 am, Gabor Grothendieck
wrote:
> Check out:
>
> ?Rscript
>
>
>
> On Fri, Jul 17, 2009 at 10:14 PM, Jie TANG wrote:
> > Hello ,everyone.
>
> > I am a fresh user of R. I wrote several several R
Check out qpcR package.
Andrej
gauravbhatti wrote:
Hi I need help since I have never worked on RT PCR data before . I have 8
data files each corresponding to a single pcr run. Each file also represent
10 samples(5 cancer and 5 healthy) belonging to a unique gene. I have 7
unique genes and 1 r
Hi,
two useful references for beginning:
www.stat.umn.edu/geyer/5931/mle/mle.pdf
www.unc.edu/~monogan/computing/r/MLE_in_R.pdf
Andrej
Elena 5/12 wrote:
Hi,
I have the following problem: I am working on assessing the accuracy of
diagnostic tests. I have a log likelihood and 3 unknown paramete
mycor <- cor(1:10,1:10)
plot(1:10,1:10)
text(8,2,bquote(R^2 == .(mycor)))
HTH, Andrej
Murray Pung wrote:
I'd like to paste a superstring with a number in an object.
Thanks for any help.
Murray
mycor <- cor(1:10,1:10)
plot(1:10,1:10)
text(8,2,paste(expression(R^2)," = ",mycor))
[[alt
Sorry,
there should be a caret symbol (^) between "R" and "2".
Murray Pung wrote:
I'd like to paste a superstring with a number in an object.
Thanks for any help.
Murray
mycor <- cor(1:10,1:10)
plot(1:10,1:10)
text(8,2,paste(expression(R^2)," = ",mycor))
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Check out: http://akastrin.wordpress.com/category/r/
David Riebel wrote:
Hello,
I am running R under Ubuntu 8.04. I am trying to do numerous linear
fits to various subsets of my data set. I am having trouble convincing
R to send the output from these fits to text files from within a script.
W
Dear all,
Does anybody have an idea or suggestion how to construct (plot)
4-dimensional hypercube in R.
Thanks in advance for any pointers.
Regards, Andrej
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PLEASE do rea
Classification trees (rpart package), but know too little about your
problem...
Best, Andrej
On Feb 9, 5:50 pm, Robert Lonsinger wrote:
> Can anybody recommend a nonparametric alternative to linear discriminant
> function that may be available as a package in R?
>
> Cheers,
> Rob
>
> [[a
Dear all,
I try to install the latest R version using checkinstall (v. 1.6.2) on
Ubuntu 11.10. After solving all the dependencies (installed using
apt-get build-dep r-base) checkinstall fails to build and install R
package with the following error (the same commands build and install
R-2.13.2
Dear all,
I'm working on ability estimates using Rasch model. Using the "ltm"
package, the procedure is quite simple:
## Factor Scores for the Rasch model
fit <- rasch(LSAT)
factor.scores(fit)
What about Partial Credit Model (PCM)? For PCM I use PCM function from
eRm package. Is there any si
Dear all,
I'm working on ability estimates using Rasch model. Using the "ltm"
package, the procedure is quite simple:
## Factor Scores for the Rasch model
fit <- rasch(LSAT)
factor.scores(fit)
What about Partial Credit Model (PCM)? For PCM I use PCM function from
eRm package. Is there any si
Dear all,
Using lm models one can calculate predicted residual sum of squares
(PRESS) statistic to select appropriate number of prediction variables
in lm model.
Is there any alternative to PRESS statistic for lda (linear discriminant
analysis) model where predicted outcome variable is categ
Dear all,
Suppose that I have a matrix A
A <- matrix(c(3,3,3,3,3,3,3,3,3),3,3)
and a logical matrix B
B <- matrix(c(T,T,T,F,T,T,F,T,F),3,3)
The result matrix should be
C <- matrix(c(3,3,3,NA,3,3,NA,3,NA),3,3)
Is there any simple tip or trick to perform this without looping?
Thank
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