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2005 Mar 16
8
Summing up matrices in a list
...3] [1,] 1 3 5 [2,] 2 4 6 [[2]] [,1] [,2] [,3] [1,] 7 9 11 [2,] 8 10 12 I'd like to create a matrix M<-mylist[[1]]+mylist[[2]] [,1] [,2] [,3] [1,] 8 12 16 [2,] 10 14 18 Is there a way to create M without looping? Thanks a lot, Vicky Landsman. [[alternative HTML version deleted]]
2004 Sep 09
3
Dyn.load of sharing object with GSL library
...svika/PhD/R_04/Example3.so": ld.so.1: /usr/local/sbin/R-1.9/R-1.9.1/bin/R.bin: fatal: relocation error: file /fs/users1/guest/msvika/PhD/R_04/Example3.so: symbol gsl_sf_bessel_J0: referenced symbol not found What is wrong? Much thanks, Vicky. ----- Original Message ----- From: "Vicky Landsman" <msvika at mscc.huji.ac.il> To: "r-help" <r-help at stat.math.ethz.ch> Sent: Thursday, September 09, 2004 6:18 PM Subject: Re: [R] Adding GSL library path to SHLIB > Dear Prof. Ripley, > We read the archive thread > http://maths.newcastle.edu.au/~rking/R/help/...
2005 Mar 24
2
Bivariate lognormal distribution
Dear experts! Is there a package that enables to create the bivariate log-normal variables? Thanks a lot, Vicky Landsman. [[alternative HTML version deleted]]
2005 Feb 27
2
Help with constrained optimization
...nction separately using nlm. The problem is that I have to add the constraint of the form g(alpha1)=g(alpha2). The total number of parameters is approximately 30. What is the best way to do it? I am using R-1.9.1 on Windows XP. Much thanks in advance for any suggestions, Best regards, Vicky Landsman. [[alternative HTML version deleted]]
2004 Jul 14
1
Running the optimization on the subset of parameters
...9;d like to run the minimization algorithm for the different subsets of the parameters and assign the fixed values to the complementary subset. How should I define my (-loglik) function such that it can be passed to the optim or other optimization function? Much thanks for any suggestions. Vicky Landsman. [[alternative HTML version deleted]]
2006 Jul 03
1
Problem with try()
...cess fails with the follwoing error message gsl: qags.c:553: ERROR: bad integrand behavior found in the integration interval Default GSL error handler invoked. and the whole simulation job is destroyed. My question is: why try() does not work and how to fix this problem? Much thanks, Leonid Landsman. [[alternative HTML version deleted]]
2005 Apr 07
1
ks.test for conditional distribution Y|x
...e question as stated. Of course, if you have discrete x values, and enough data at each one, you could just run the check for each x. Hope this helps, Matt Wiener -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Vicky Landsman Sent: Thursday, April 07, 2005 3:16 PM To: R-help list Subject: [R] ks.test for conditional distribution Y|x Dear experts, Is it possible to use ks.test function to check the goodness of fit of the conditional distribution Y|X=x? For example, I would like to check that my data (Y,X) come from N...
2005 Mar 24
1
How to stop the minimization when the condition does not hold
...ion. For this purpose, I thought to define the Objective function like this: if (Constraint>d) fun<- .... else stop but this does not work with error message: Error in f(x, ...) : Object "fun" not found I am using nlm for minimization. Thanks a lot for help and suggestions, Vicky Landsman. [[alternative HTML version deleted]]
2017 Apr 20
2
lvm cache + qemu-kvm stops working after about 20GB of writes
Hello everyone, Anybody had the chance to test out this setup and reproduce the problem? I assumed it would be something that's used often these days and a solution would benefit a lot of users. If can be of any assistance please contact me. -- Met vriendelijke groet, Richard Landsman http://rimote.nl T: +31 (0)50 - 763 04 07 (ma-vr 9:00 tot 18:00) 24/7 bij storingen: +31 (0)6 - 4388 7949 @RimoteSaS (Twitter Serviceberichten/security updates) On 04/10/2017 10:08 AM, Sandro Bonazzola wrote: > Adding Paolo and Miroslav. > > On Sat, Apr 8, 2017 at 4:49 PM, Richard Lands...
2004 Jul 11
2
How to bring an Splus object into R
...object(s) in S-PLUS and source the dumpfile in R. For S-PLUS 5.x and 6.x you may need to use dump(..., oldStyle=T), and to read in very large objects it may be preferable to use the dumpfile as a batch script rather than source. Please learn to read the manual yourself. Andy > From: Victoria Landsman > > Dear all, > I like to bring the list created in Splus into R. What is the > shortest way to do this? > Much thanks, Vicky. > [[alternative HTML version deleted]] >
2004 Aug 10
1
Question about mle function
...tion mle(negloglik, start = list(), fixed=list(), method="..."). I am using the L-BGFS-B method and I don't supply the gradient function. Is there a way to print the gradients found at the solution value? I am using R-1.9.1 on Windows and on Unix. Thank you in advance, Victoria Landsman. [[alternative HTML version deleted]]
2004 Oct 12
2
Statistical analysis of a large database
...At the current stage we suggest classification and clustering analysis. We are planning to perform the analysis in R and would be very grateful for any recommendations/suggestions/references regarding the packages/tools appropriate for this task. Thank you in advance for your attention, Vicky Landsman. [[alternative HTML version deleted]]
2004 Jul 12
0
Where does R search when source() ?
...h) | 15. RE: where does R search when source()? (Shin, Daehyok) | 16. Re: variable definition (Gabor Grothendieck) | 17. Re: where does R search when source()? (Duncan Murdoch) | 18. RE: where does R search when source()? (Shin, Daehyok) | 19. How to bring an Splus object into R (Victoria Landsman) | 20. RE: How to bring an Splus object into R (Liaw, Andy) | 21. Re: How to bring an Splus object into R (Peter Wilkinson) | 22. Re: How to bring an Splus object into R (Victoria Landsman) | 23. Re: Viewport parameters (Paul Murrell) | 24. Re: Creating a minimal package (was: where does...
2017 Mar 31
4
Network isolation for KVM guests
On Thu, Mar 30, 2017 at 06:15:28PM +0100, Nux! wrote: > Use libvirt with mac/ip spoofing enabled. > > https://libvirt.org/formatnwfilter.html > > https://libvirt.org/firewall.html > > -- > Sent from the Delta quadrant using Borg technology! > Thanks Nux and Kristian but I don't see if these solutions will be really efective in my environment. Let me to explain.
2017 Apr 08
2
lvm cache + qemu-kvm stops working after about 20GB of writes
...romoted to the lvm cache (takes a lot of reads I think). And once on the SSD it sometimes keeps beeing fast, although a new testfile will be slow. So I really recommend changing the testfile all the time when trying to see if a change in speed has occurred. -- Met vriendelijke groet, Richard Landsman http://rimote.nl T: +31 (0)50 - 763 04 07 (ma-vr 9:00 tot 18:00) 24/7 bij storingen: +31 (0)6 - 4388 7949 @RimoteSaS (Twitter Serviceberichten/security updates) -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attac...
2017 Mar 31
0
Network isolation for KVM guests
...t create what you want with Shorewall. It looks complicated, but actually is very intuitive if you give it some time and effort. Please feel free to provide a better description of what you want to accomplish. Maybe I misunderstand what you want to achieve. -- Met vriendelijke groet, Richard Landsman http://rimote.nl T: +31 (0)50 - 763 04 07 (ma-vr 9:00 tot 18:00) 24/7 bij storingen: +31 (0)6 - 4388 7949 @RimoteSaS (Twitter Serviceberichten/security updates) On 03/31/2017 11:56 AM, C. L. Martinez wrote: > On Thu, Mar 30, 2017 at 06:15:28PM +0100, Nux! wrote: >> Use libvirt with mac/...
2017 Apr 20
0
lvm cache + qemu-kvm stops working after about 20GB of writes
On Thu, Apr 20, 2017 at 12:32 PM, Richard Landsman - Rimote < richard at rimote.nl> wrote: > Hello everyone, > > Anybody had the chance to test out this setup and reproduce the problem? I > assumed it would be something that's used often these days and a solution > would benefit a lot of users. If can be of any assistance...
2004 Jul 09
1
Example using Rdqags
...o is integrate a function numerically, you don't need to be doing it through R. You should be able to find codes that you can use directly, such as quadpack or even GSL. You may want to search on GAMS (Guide to Available Mathematical Software, http://gams.nist.gov/). Andy > From: Victoria Landsman > > Dear all, > I'd like to use the Rmath library for calling R functions in > C code. I have no any experience in this. I am trying to read > the "Writing R extensions" manual but with no success. I > searched the Web and archives but did not find appropriate...
2004 Sep 09
1
Adding GSL library path to SHLIB
Dear R-list people, I asked a similar question a few hours before. I will try to be more specific. We like to add the GSL library to the file SHLIB in order to make it possible to run the C code using GSL functions from R. We read that the path to the libgsl.a should be added to the line shlib_libadd=' ' in the file SHLIB but it does not work on our system. Dyn.load fails with error
2004 Sep 27
1
Numerical two-dimensional integration
Dear all, I need to compute (numerically) the two-dimensional integral: int(int f(x,y)dy)dx. What is the more efficient(fast) way to do it? Is adapt function appropriate for this problem? I will much appreciate your help and attention. Vicky. [[alternative HTML version deleted]]