search for: gibbs

Displaying 20 results from an estimated 261 matches for "gibbs".

2006 Aug 11
2
about MCMC pack again...
Hello, thank you very much for your previous answers about the C++ code. I am interested in the application of the Gibbs Sampler in the IRT models, so in the function MCMCirt1d and MCMCirtkd. I've found the C++ source codes, as you suggested, but I cannot find anything about the Gibbs Sampler. All the files are for the Metropolis algorithm. Maybe I am not able to read them very well, by the way my problem is prin...
2019 Apr 25
2
AD member server, some users suddenly can only connect to shares via ip address
On 2019/04/25 14:44, Rowland Penny via samba wrote: > OK, post your smb.conf Thanks for help.... remember this has been working up to now and only a few users have the password prompt..  (btw "gibb.local" is a trusted samba3 domain used for migration, connecting as a gibb.local user does work) getent passwd returns expected results, as does wbinfo -u # Global parameters [global]
2019 May 14
2
"getent passwd" works, "getent passwd username" does not
Domain member server (Debian stretch with 4.8 from the Van Belle repo) getent passwd| grep nprice GIBB\nprice:*:1001104:1000513::/home/GIBB/nprice:/bin/false getent passwd GIBB\\nprice (returns nothing) getent passwd 1001104 also returns nothing wbinfo -u works fine wbinfo --uid-info 1001104 GIBB\nprice:*:1001104:1000513::/home/GIBB/nprice:/bin/false wbinfo -i GIBB\\nprice
2019 Apr 25
0
AD member server, some users suddenly can only connect to shares via ip address
On Thu, 25 Apr 2019 15:39:21 +0200 Neil Price via samba <samba at lists.samba.org> wrote: > On 2019/04/25 14:44, Rowland Penny via samba wrote: > > OK, post your smb.conf > > Thanks for help.... remember this has been working up to now and only > a few users have the password prompt..  (btw "gibb.local" is a > trusted samba3 domain used for migration,
2019 Apr 25
2
AD member server, some users suddenly can only connect to shares via ip address
On 2019/04/25 13:46, Rowland Penny via samba wrote: > No, the key error is that dns doesn't seem to be working, if you can > connect via ipaddress, then you are not using kerberos. > The server is resolved just fine, it just gets a password prompt. The server can also resolve the client correctly. I see this issue came up before
2008 Mar 26
0
Naive Gibbs Sampling with Metropolis Steps (pkg: gibbs.met)
Hi R Users: This package provides two generic functions for performing Markov chain sampling in a naive way for a user-defined target distribution, which involves only continuous variables. The function "gibbs_met" performs Gibbs sampling with each 1-dimensional distribution sampled with Metropolis update using Gaussian proposal distribution centered at the previous state. The function "met_gaussian" updates the whole state with Metropolis method using independent Gaussian proposal distrib...
2019 Apr 26
1
AD member server, some users suddenly can only connect to shares via ip address
On 2019/04/25 16:24, Rowland Penny via samba wrote: (.. lots of helpful stuff) Thanks for advice on smb.conf.. Today people who could not access it yesterday can, and some people who could access it can't and even one who cannot access it via the ip address, so you know what I'll be doing this weekend. > You said above that 'gibb.local' is a trusted domain that was used for
2007 Sep 14
10
Mixing SATA & PATA Drives
I suspect it''s probably not a good idea but I was wondering if someone could clarify the details. I have 4 250G SATA(150) disks and 1 250G PATA(133) disk. Would it cause problems if I created a raidz1 pool across all 5 drives? I know the PATA drive is slower so would it slow the access across the whole pool or just when accessing that disk? Thanks for your input. - Chris
2004 Jul 16
0
for loops in Gibbs sampler
Dear all: I am using R to do multiple imputation for longitudinal data set. The Gibbs chain basically requires draw posterior distribution of model parameters, including the random effects. The multiple imputation requires several independent Gibbs chains. So my program structure is like: for (chain in 1:5) { # perform Gibbs sampling... for (row in 1:row.no) { b.row=some func...
2011 Apr 05
1
Gibbs sampling
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2011 Apr 11
1
rtmvt
I have been using the rtmvt function in the {tmvtnorm} package i'm getting the warning: "Acceptance rate is very low and rejection sampling becomes inefficient. Consider using Gibbs sampling." but i AM specifying the gibbs algorithm!!: rtmvt(M, mean=q[,,i,j], sigma=((u[i,j] + nu[i])/(p+nu[i]))*delta[,,i], df=ceiling(nu[i]+p), lower=c(0,0), algorithm="gibbs") Any ideas why I am getting this warning and how I can fix it? -- View this message in context: h...
2011 Nov 10
1
Gibbs sampler
I have the following code, gibbs <-function(m,theta = 0.25, lambda =0.55, n =1){ alpha <- 1.5 beta <- 1.5 gamma <- 1.5 x<- array(0,c(m+1, 3)) x[1,1] <- theta x[1,2] <- lambda x[1,3]<- n for(t in 2:(m+1)){ x[t,1] <- rbinom(1, x[t-1,3], x[t-1,1]) x[t,2]<-r...
2009 Jan 25
1
Gibbs sampler...did it work?
I am writing a Gibbs sampler. I think it is outputting some of what I want, in that I am getting vector of several thousand values (but not 10,000) in a txt file at the end. My question is, is the error message (see below) telling me that it can't output 10,000 values (draws) because of a limitation in my memory,...
2006 Jun 26
1
Griddy-Gibbs sampler
Hey everyone, I have read the paper by Ritter and Tanner(1992) on Griddy-Gibbs sampler and I am trying to implement it in R without much luck. I was wondering if anyone had used this or could point me to any example code. Thanks, Liz --------------------------------- [[alternative HTML version deleted]]
2004 Nov 18
1
gibbs sampling for mixture of normals
hi i'm looking for a gibbs sampling algorithm for R for the case of mixture of K normals, and in particular for the case of bivariate normals. i'd be grateful if anyone could send its own R-routine, at least for the univariate case. thank you in advance matteo
2009 Aug 17
1
Bayesian data analysis - help with sampler function
I have downloaded the Umacs (Universal Markov chain sampler) and submitted the following sample code from Kerman and Gelman.   s <-Sampler( J=8, sigma.y  =c(15,10,16,11,9,11,10,18),           y  =c(28, 8,-3,7,-1,1,18,12),      theta =Gibbs(theta.update,theta.init),           V =Gibbs(V.update,mu.init),         mu =Gibbs(mu.update,mu.init),         tau =Gibbs(tau.update,tau.init),        Trace("theta[1]") )   Error: could not find function "Sampler"   Is there anything else I need to download.   Thanks,     Jim L....
2004 Mar 19
1
R_qsort_int_I() error
Hi, I want to use R_qsort_int_I() in my C function, but getting the following error. It looks like there is a conflict between Rmath.h, which I use to generate random numbers, and R_ext/Boolean.h I would appreciate any help to fix this problem. gcc -ansi -g -o Gibbs gibbs.c subroutines.o rand.o vector.o -lm -lRmath -llapack -lblas -lfrtbegin -lg2c -lm -shared-libgcc In file included from /usr/include/R_ext/Utils.h:27, from gibbs.c:7: /usr/include/R_ext/Boolean.h:29: conflicting types for `FALSE' /usr/include/Rmath.h:175: previous declara...
2011 Feb 07
1
Question about checkTmvArgs function in rtmvnorm (package tmvtnorm)
...ma is a var-covar matrix (however, it is NOT a correlation matrix). Thanks a lot! Dimitri function (n, mean = rep(0, nrow(sigma)), sigma = diag(length(mean)), lower = rep(-Inf, length = length(mean)), upper = rep(Inf, length = length(mean)), algorithm = c("rejection", "gibbs", "gibbsR"), ...) { algorithm <- match.arg(algorithm) cargs <- checkTmvArgs(mean, sigma, lower, upper) mean <- cargs$mean sigma <- cargs$sigma lower <- cargs$lower upper <- cargs$upper if (n < 1 || !is.numeric(n) || n != as.int...
2004 Apr 16
0
autologistic regression with Gibbs sampler
...o share their work, or at least their insights. My data come with three complications: 1.. I do not have response values for all the sites within my study area. In order to evaluate the autocovariate term, I therefore need to be able to simulate the response value at unsurveyed sites with a Gibbs sampler or modified Gibbs sampler, as described in Augustin et al. 1996 (Journal of Applied Ecology 33: 339-347) and 1998 (Environmetrics 9: 175-196). 2.. My study area amounts to continental Africa South of 6 degree North; both response and environmental data have a spatial resolution of 0.5 de...
2000 Dec 15
0
Gibbs sampling in GLMMs: Beta testers required
...o describe a rather amateurish approach to distributing software which may annoy some people, but I sincerely hope it doesn't. I've been working for some years with David Clayton on a project which started life as an S package but has now turned into an R library. It is (now) called GLMMGibbs and estimates the parameters of the Generalised Linear Mixed Model by Gibbs Sampling (using the Bayesian paradigm). The basic idea is that one declares a particular factor to be a random effect with one statement and then performs the Gibbs sampling with another statement with syntax somewhat like...