search for: jcn

I'm having a strange problem that appeared when I upgraded from .99something to 1.0alpha3 and then disappeared for a while and then re-appeared when I upgraded to 1.0alpha5. I am using mbox and IMAP in Apple's Mail.app to read my mail. When I delete a message in Mail.app, the message gets marked as deleted in the spool and it disappears from the mail listing in Mail. However, the

...and when i try to connect with wrong login or password or both it says "Logon failure : user unknown or bad password", also confirm me how many and which accounts I need to connect win2k to the samba domain? below is my smb.conf file:: [global] netbios name = MyServer workgroup = JCN socket options = TCP_NODELAY IPTOS_LOWDELAY SO_SNDBUF=8192 SO_RCVBUF=8192 ;user profiles and home directory logon home = \\%L\%U\.profile logon drive = H: logon path = \\%L\profiles\%U logon script = netlogon.bat admin users = root domain logons = yes ;PDC and maste...

...t like that after I've read mail using an IMAP client, leading me to believe that pine doesn't know how to handle the newline in the X-IMAP line. I don't know if this is a Dovecot, Mail.app, or pine problem, but I never saw this error in UW-IMAP. Any help would be appreciated. Thanks! jcn

hi everyone, I'm searching to do a functionally bash script for copy many file inside in a directory the scenario is: root path= /var/www/clients/ inside of this there are many subdirectories with this name: client1 to x (depends of the customer) it happens that a customer not renew the contract and I would stopping to do a backup directory for him. this operation should be versatile and

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Apologies for some errors inserted by overly-helpful input filters on Thunderbird. Here's the corrected version. Just in case others hit the same glitch. It's not directly an R issue, but if folk can't get an install to work, they are not going to use R. While I've always had a straightforward experience before, this install gave some troubles. I added the repository deb

This is not about the failure on some platforms, which is an important issue. However, what is below may provide a temporary workaround until the source of the problem is uncovered. FWIW, the problem seems fairly straightforward for most optimizers at my disposal in the R-forge (developmental) version of the optimx package at https://r-forge.r-project.org/projects/optimizer/ I used the code ##

It may be worth noting that both Avraham and I are members of the histoRicalg project (https://gitlab.com/nashjc/histoRicalg) that has some modest funding from R-Consortium. The type of concern this nlminb thread raises is why the project was proposed. That is, older codes that may predate IEEE arithmetic and modern programming language processors often were built with a different understanding

The main thing is to post the "small reproducible example". My (rather long term experience) can be written if (exists("reproducible example") ) { DeveloperFixHappens() } else { NULL } JN On 2019-03-29 11:38 a.m., Saren Tasciyan wrote: > Well, first I can't sign in bugzilla myself, that is why I wrote here first. Also, I don't know if I have the

...ern is that the core should be focused on the programming language aspects. The computational math and some of the more intricate data management could better be handled by folk outside the core. JN On 2019-03-04 9:12 a.m., Avraham Adler wrote: > On Mon, Mar 4, 2019 at 5:01 PM J C Nash <profjcnash at gmail.com <mailto:profjcnash at gmail.com>> wrote: > > As the original coder (in mid 1970s) of BFGS, CG and Nelder-Mead in optim(), I've > been pushing for some time for their deprecation. They aren't "bad", but we have > better tools, and t...

Over a week ago (on r-help, my bad!) I raised a question of why the ubuntu install instructions https://cran.r-project.org/bin/linux/ubuntu/README.html instruct users with a xenial-based system to use deb https://cloud.r-project.org/bin/linux/ubuntu xenial-cran40/ Looking at https://cloud.r-project.org/bin/linux/ubuntu/ there is no xenial-cran40 directory. However,

I wrote first cut at unirootR for Martin M and he revised and put in Rmpfr. The following extends Ben's example, but adds the unirootR with trace output. c1 <- 4469.822 c2 <- 572.3413 f <- function(x) { c1/x - c2/(1-x) }; uniroot(f, c(1e-6, 1)) uniroot(f, c(1e-6, 1)) library(Rmpfr) unirootR(f, c(1e-6, 1), extendInt="no", trace=1) This gives more detail on the iterations,

I won't send to list, but just to the two of you, as I don't have anything to add at this time. However, I'm wondering if this approach is worth writing up, at least as a vignette or blog post. It does need a shorter example and some explanation of the "why" and some testing perhaps. If there's interest, I'll be happy to join in. And my own posting suggests how the

A tangential email discussion with Simon U. has highlighted a long-standing matter that some tools in the base R distribution are outdated, but that so many examples and other tools may use them that they cannot be deprecated. The examples that I am most familiar with concern optimization and nonlinear least squares, but other workers will surely be able to suggest cases elsewhere. I was the

As the original coder (in mid 1970s) of BFGS, CG and Nelder-Mead in optim(), I've been pushing for some time for their deprecation. They aren't "bad", but we have better tools, and they are in CRAN packages. Similarly, I believe other optimization tools in the core (optim::L-BFGS-B, nlm, nlminb) can and should be moved to packages (there are already 2 versions at least of LBFGS

...wn that the problem can be tackled very simply too. Best, JN On 2023-08-19 18:42, Paul Bernal wrote: > Thank you so much Dr. Nash, I truly appreciate your kind and valuable contribution. > > Cheers, > Paul > > El El s?b, 19 de ago. de 2023 a la(s) 3:35 p.?m., J C Nash <profjcnash at gmail.com <mailto:profjcnash at gmail.com>> escribi?: > > Why bother. nlsr can find a solution from very crude start. > > Mixture <- c(17, 14, 5, 1, 11, 2, 16, 7, 19, 23, 20, 6, 13, 21, 3, 18, 15, 26, 8, 22) > x1 <- c(69.98, 72.5, 77.6, 79.98, 74.98...

Given that a number of us are housebound, it might be a good time to try to improve the approximation. It's not an area where I have much expertise, but in looking at the qbeta.c code I see a lot of root-finding, where I do have some background. However, I'm very reluctant to work alone on this, and will ask interested others to email off-list. If there are others, I'll report back.

Despite the need to focus on pbeta, I'm still willing to put in some effort. But I find it really helps to have 2-3 others involved, since the questions back and forth keep matters moving forward. Volunteers? Thanks to Martin for detailed comments. JN On 2020-03-26 10:34 a.m., Martin Maechler wrote: >>>>>> J C Nash >>>>>> on Thu, 26 Mar 2020