search for: a_hat

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2006 Mar 20
1
ARC cache issues with b35/b36; Bugs 6397610 / 6398177
> Bug ID: 6398177 > Synopsis: zfs: poor nightly build performance in 32-bit mode (high disk activity) Part of the problem appear to be these kmem_caches: # mdb -k ... > ::kmastat cache buf buf buf memory alloc alloc name size in use total in use succeed fail ------------------------- ------ ------ ------ ---------
2009 Jul 30
0
Constrained MLE of fixed mean Singh-Maddala distribution
...alues for initial guess of the parameters. a_guess<-2 b_guess<-3 q_guess<-7 q_guess-1/a_guess p0<-c(log(a_guess), log(b_guess), log(q_guess)) #Optimize to find minimum of the negative likelihood function est_p_A<-optim(par=p0, fn=neg.LL_sinmad, y=y) est_p_A$par a_hat1<-exp(est_p_A$par[1]) b_hat1<-exp(est_p_A$par[2]) q_hat1<-exp(est_p_A$par[3]) q_hat1-1/a_hat1 est_p_B<-nlm(f=neg.LL_sinmad, p=c(est_p_A$par[1], est_p_A$par[2], est_p_A$par[3]), print.level=1, y=y) a_hat<-exp(est_p_A$par[1]) b_hat<-exp(est_p_A$par[2]) q_ha...
2009 Jul 31
0
MLE estimation of constrained mean Singh-Maddala distribution
...E)))) } #Set values for initial guess of the parameters. a_guess<-2 b_guess<-3 q_guess<-7 q_guess-1/a_guess p0<-c(log(a_guess), log(b_guess), log(q_guess)) #Optimize to find minimum of the negative likelihood function est_p_A<-optim(par=p0, fn=neg.LL_sinmad, y=y) est_p_A$par a_hat1<-exp(est_p_A$par[1]) b_hat1<-exp(est_p_A$par[2]) q_hat1<-exp(est_p_A$par[3]) q_hat1-1/a_hat1 est_p_B<-nlm(f=neg.LL_sinmad, p=c(est_p_A$par[1], est_p_A$par[2], est_p_A$par[3]), print.level=1, y=y) a_hat<-exp(est_p_A$par[1]) b_hat<-exp(est_p_A$par[2]) q_hat<-exp(est_p_A$par[...
2007 Jul 12
4
VMGL?
Has anyone gotten this working? It seems it is a toolkit to allow guest OSes to have native speed OpenGL rendering. It might it be a good inclusion for Indiana. (To enable people to test it out in a VM.) http://www.cs.toronto.edu/~andreslc/vmgl/ --Brian P.S - The site said it is running on OpenSolaris _______________________________________________ indiana-discuss mailing list
2006 Jan 13
26
A couple of issues
I''ve been testing ZFS since it came out on b27 and this week I BFUed to b30. I''ve seen two problems, one I''ll call minor and the other major. The hardware is a Dell PowerEdge 2600 with 2 3.2GHz Xeons, 2GB memory and a perc3 controller. I have created a filesystem for over 1000 users on it and take hourly snapshots, which destroy the one from 24 hours ago, except the