]
Gesendet: Freitag, 31. Juli 2009 09:49
An: Stein, Luba (AIM SE)
Cc: r-help@r-project.org
Betreff: Re: [R] package lattice can't be loeaded
Hi
r-help-boun...@r-project.org napsal dne 31.07.2009 08:27:24:
> The error message is: "Error in library(lattice) : there is no package
ca
.
Luba
> library(lattice)
>
It loads just fine.
On Thu, Jul 30, 2009 at 11:08 AM, Stein, Luba (AIM
SE) wrote:
> I try to load the package lattice by library(lattice).
>
> Although I have installed it through CRAN by internet as well as from a local
> directory using the
hy do you have to install twice? Did you check if
the package is actually in the R library folder?
On Thu, Jul 30, 2009 at 10:02 AM, Stein, Luba (AIM SE)
mailto:luba.st...@allianz.com>> wrote:
I try to load the package lattice by library(lattice).
Although I have installed it through CRA
I try to load the package lattice by library(lattice).
Although I have installed it through CRAN by internet as well as from a local
directory using the zip-file, it can't be loaded into the editor.
Can anyone give advice, please.
I am using R 2.9.1 on Widows XP.
Thanks a lot,
Luba
I try to load the package lattice by library(lattice).
Although I have installed it through CRAN by internet as well as from a local
directory using the zip-file, it can't be loaded into the editor.
Can anyone give advice, please.
I am using R 2.9.1 on Widows XP.
Thanks a lot,
Luba
Hello,
I work with SEM the last days in order to fit given time series into a model
and obtain latent variables.
Now I am wondering why when multiplying all given values with 10 or 100 changes
the statistic so much.
In fact, it should make no difference for the regression if the factors have a
[mailto:lig...@statistik.tu-dortmund.de]
Gesendet: Donnerstag, 30. Juli 2009 09:25
An: Stein, Luba (AIM SE)
Cc: Andreas Hary; r-help@r-project.org
Betreff: Re: [R] Similar package like SEM
See ?princomp and ?prcomp
Uwe Ligges
Stein, Luba (AIM SE) wrote:
> Yes thank you, as far as I understood y
2009 18:21
An: Stein, Luba (AIM SE)
Betreff: Re: [R] Similar package like SEM
Are you trying to build forward or yield curves by any chance? Consider using
principal components on the log-differences of your yield-curve time series.
That sort of gives you something like latent variables. You
Hello,
is there a similar package like SEM. In fact, I am looking for a package where
I as input several given vector variables which are part of an autoregressive
model.
Then I would like to obtan parameters for so called latent variables.
Thank you,
Luba
[[alternative HTML version
Hello,
how does exactly the function looks like that estimates the parameters in SEM?
What methods are used?
Thank you,
Luba
[[alternative HTML version deleted]]
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ks for all your support,
Luba
-Urspr?ngliche Nachricht-
Von: Jarrett Byrnes [mailto:byr...@msi.ucsb.edu]
Gesendet: Dienstag, 21. Juli 2009 09:01
An: Stein, Luba (AIM SE)
Cc: r-help@r-project.org
Betreff: Re: AW: [R] Another SEM question
Ah, the larger problem is in how you specify your
> R
Z <-> Z
works and gave me moreover a really good fit.
So thank you for your support once again.
Best wishes,
Luba
-Urspr?ngliche Nachricht-
Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Im
Auftrag von Stein, Luba (AIM SE)
Gesendet: Diens
ks for all your support,
Luba
-Urspr?ngliche Nachricht-
Von: Jarrett Byrnes [mailto:byr...@msi.ucsb.edu]
Gesendet: Dienstag, 21. Juli 2009 09:01
An: Stein, Luba (AIM SE)
Cc: r-help@r-project.org
Betreff: Re: AW: [R] Another SEM question
Ah, the larger problem is in how you specif
che Nachricht-
Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Im
Auftrag von Jarrett Byrnes
Gesendet: Dienstag, 21. Juli 2009 08:19
An: Stein, Luba (AIM SE)
Cc: r-help@r-project.org
Betreff: Re: [R] Another SEM question
You don't appear to be defining Z here.
Might tha
r your help once again.
Best wishes,
Luba
-Urspr?ngliche Nachricht-
Von: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] Im
Auftrag von Jarrett Byrnes
Gesendet: Montag, 20. Juli 2009 18:25
An: Stein, Luba (AIM SE)
Cc: r-help@r-project.org
Betreff: Re: [R] Another SEM
Hello,
I use the function sem the following way
sem.mod <- sem(model, mod.cov, N=109) where the variables are modelled:
Z -> M
Z -> I
Z -> R
M <-> M
I <-> I
R <-> R
Z <-> Z
The output is
...
Normalized Residuals
Min. 1st Qu. Median Mean 3rd Qu. Max.
-7.3300 -0.2750 -0.2670 -0.1290 -0.0369 9.030
Hi,
when using the package sem with:
sem.mod <- sem(model.SEM,cov.mod1, N=243)
I get the following error.
Error in solve.default(C) :
Lapack routine dgesv: system is exactly singular
May someone tell me what is wrong, please?
Thank your for your help,
Luba
[[alternative HTML
Thanks to all for the answers! I solved my problem now by sufficient iteration!
Have a nice day!
Luba
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PLEASE do read the posting guide http://www.R-project.org/posting-gu
[mailto:thierry.onkel...@inbo.be]
Gesendet: Dienstag, 7. Juli 2009 15:51
An: Stein, Luba (AIM SE); r-help@r-project.org
Betreff: RE: [R] Uncorrelated random vectors
cor.test(rnorm(1), rnorm(1))
ir. Thierry Onkelinx
Thank you for your help!
But is it possible to produe two vectors x and y with a given length such that
there correlation is zero.
For me ist not enough just to simulate two vectors with there correlation.
Thank you,
Luba
-Urspr?ngliche Nachricht-
Von: r-help-boun...@r-project.org
Hello,
is it possible to create two uncorrelated random vectors for a given
distribution.
In fact, I would like to have something like the function "rnorm" or "rlogis"
with the extra property that they are uncorrelated.
Thanks for your help,
Luba
[[alternative HTML version deleted]
matrix.
A is a given value and x is the variable I am looking for.
In my opinion this is an quadratic equation and makes sense.
Best wishes,
Luba
-Urspr?ngliche Nachricht-
Von: Rolf Turner [mailto:r.tur...@auckland.ac.nz]
Gesendet: Montag, 6. Juli 2009 23:16
An: Stein, Luba (AIM SE
Hi,
I would like to solve the following equation with R: Cov(A,x)=0.
A is a given matrix, x is the an unknown vector.
Is there any nice solution for this?
Thank you for your help.
Best wishes,
Luba Stein
[[alternative HTML version deleted]]
___
Hello,
I tried to build an own R package on Windows XP but get an error which I can't
solve.
I called my package "pack". It works to creat the file "pack" with
package.skeleton().
But when I try to compile it with Rcmd build --binary pack I obtain the
following error:
IO::Seekable::seek missi
Hello,
I tried to build an own R package on Windows XP but get an error which I can't
solve.
I called my package "pack". It works to creat the file "pack" with
package.skeleton().
But when I try to compile it with Rcmd build --binary pack I obtain the
following error:
IO::Seekable::seek missi
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