search for: fvalues

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2002 Dec 20
1
smbclient and large file support
smbclient (and smbtar) in version 2.2.7a (and prior) has problems with large files (> 4GB). The following patch (against 2.2.7a) fixes all known problems with this. This code has been checked into the CVS tree in all branches as well. -- ====================================================================== Herb Lewis Silicon Graphics Networking Engineer
2011 Nov 29
2
Parameters setting in functions optimization
...initials parameters as indicated in the tutorials : optim(c(40,0.5), fn=LogLiketot) >Error in 1 - ms : 'ms' is missing But ms is 0.5 ... So I've tried this form : optimx(c(30,50),ms=c(0.4,0.5), fn=LogLiketot) with different values for the two parameters : par fvalues method fns grs itns conv KKT1 KKT2 xtimes >2 19.27583, 25.37964 2249.698 BFGS 12 8 NULL 0 TRUE TRUE 57.5 >1 29.6787861, 0.1580298 2248.972 Nelder-Mead 51 NA NULL 0 TRUE TRUE 66.3 The first line is not possible but as I've not constrained the optimizati...
2007 Jun 24
2
ANOVA non-sphericity test and corrections (eg, Greenhouse-Geisser)
I'm an experimental psychologist and when I run ANOVA analysis in SPSS, I normally ask for a test of non-sphericity (Box's M-test). I also ask for output of the corrections for non-sphericity, such as Greenhouse-Geisser and Huhn-Feldt. These tests and correction factors are commonly used in the journals for experimental and other psychology reports. I have been switching from SPSS to R
2002 Mar 02
1
accessing factor levels from C
Hi, I am trying to get information about factors from a C-program. As I see, the factors are basically integers with attribute ,,levels''. But unfortunately I am not been able to read the levels information. I am using: SEXP variable, levels; ... variable = VECTOR_ELT( data_frame, j); switch( TYPEOF( variable)) { case INTSXP: if( isFactor( VECTOR_ELT( data_frame,
1999 Dec 10
0
snprintf from postgresql
/* * Copyright (c) 1983, 1995, 1996 Eric P. Allman * Copyright (c) 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of
2011 Aug 13
3
optimization problems
...----------------- When I ran via OPTIMX, the results are that -------------------------------------------------------------------------------------------- > optimx(par=theta0, fn=obj.fy, method="BFGS", control=list(maxit=10000), > hessian=T) par fvalues method fns grs itns conv KKT1 KKT2 xtimes 1 0.6, 1.6, 0.6, 1.6, 0.7 -0.02764405 BFGS 1 1 NULL 0 TRUE NA 8.71 > -------------------------------------------------------------------------------------------- Whenever I used different initial values, the initial ones are t...
2007 Oct 31
0
set initial parameter values for GLMM estimation
Dear list members, I look for a way (or alternative) to specify initial values when estimating linear mixed models in R, and to avoid iterative estimation. This is a way to control specific parameter values (eg. variance parameter values) such that the result (F-value) is based on them. This result can then be used for power analyses that uses the non-central F-distribution, as is done with SAS
2007 Dec 20
0
test for factor effect with nested glm
Dear all, I use a nested design with lm and glm, with factor2 nested within factor1. In order to test for the significance of both factors, I use anova tables on the obtained models such as follows: /> mod1<-lm(A~factor1/factor2) > amod1<-anova(mod1, test="F") Analysis of Variance Table Response: A Df Sum Sq Mean Sq F value Pr(>F) factor1
2008 Oct 09
1
number format in plots
Hi It is probably simple but how to force in plot command number format: 20000, 30000, 40000 etc. instead of 2e+04, 3e+04 etc. example of command: plot(x=data$along, y=data$rzedna,type="l", xlim=c(0,max(data$along)), ylim=c(200,1200), main="", xlab="length", ylab="height", cex.main=2, cex.lab=1.5, cex.axis=1.2, lwd=2) thanks Jarek
2011 Aug 29
0
Error: Gradient function might be wrong ----- in OPTIMX
...nt function line by line. However, I could not find anything wrong. When I remove the gradient, I've got ----------------------------------------------------------------- > optimx(par=theta0, fn=obj.fy, method="BFGS") par fvalues method fns grs itns conv KKT1 KKT2 xtimes 1 0.4423958, 0.9665069, 0.7920856, 1.1952092, 0.3083377 -0.01733672 BFGS 35 22 NULL 0 TRUE FALSE 76.02 ----------------------------------------------------------------- where the true theta is (0.5, 1.0, 0.8, 1.2, 0.6). However, I've got...
2012 Apr 14
0
R-help: Censoring data (actually an optim issue
...test tol = 0.1018794 KKT1 result = TRUE Hessian eigenvalues: [1] 7.138974e+02 9.931285e-04 KKT2 result = TRUE KKT results: gmax= 0.004032794 evratio= 1.391136e-06 KKT1 & 2: TRUE TRUE [1] 7.138974e+02 9.931285e-04 Save results from method BFGS > zz method par fvalues fns grs hes rs conv KKT1 KKT2 2 BFGS 0.2832468, 52.6096161 100.8794 10 1 0 -2 3 TRUE TRUE 1 NM 0.2827563, 54.3551491 100.8779 53 0 0 1 0 TRUE TRUE mtilt xtimes meths 2 NA 0.11 BFGS 1 0.0005130808 0.57 NM There were 50 or more warnings (use warnings(...
2010 Jul 07
2
What does `_data` mean in transform()?
Hi All, I meant to take the min row by row. But the result is apparently not what I want. Changing min to pmin solve the problem. > df=data.frame(X=1:10, Y=1:10) > transform(df, Z=min(X,10-Y)) X Y Z 1 1 1 0 2 2 2 0 3 3 3 0 4 4 4 0 5 5 5 0 6 6 6 0 7 7 7 0 8 8 8 0 9 9 9 0 10 10 10 0 I try to look at the source code to understand what transform() does. I know
2006 Mar 17
3
[Bug 1173] scp reports lost connection for very large files
http://bugzilla.mindrot.org/show_bug.cgi?id=1173 Summary: scp reports lost connection for very large files Product: Portable OpenSSH Version: 4.3p2 Platform: HPPA OS/Version: HP-UX Status: NEW Severity: normal Priority: P2 Component: scp AssignedTo: bitbucket at mindrot.org ReportedBy:
2007 Jun 16
2
[LLVMdev] Runtime optimization of C++ code with virtual functions
Let's say we have the following scheme using C++ and virtual functions: class DSP { public: DSP() {} virtual ~DSP() {} virtual int Compute(int count, float** in, float** out) = 0; }; class CONCRETE_DSP : public DSP { public: CONCRETE_DSP():fValue() {} virtual ~CONCRETE_DSP() {} virtual int Compute(int count, float** in, float** out) { DoSomeProcess(); } }; class
2011 Nov 10
3
optim seems to be finding a local minimum
Hello! I am trying to create an R optimization routine for a task that's currently being done using Excel (lots of tables, formulas, and Solver). However, otpim seems to be finding a local minimum. Example data, functions, and comparison with the solution found in Excel are below. I am not experienced in optimizations so thanks a lot for your advice! Dimitri ### 2 Inputs:
2006 Nov 17
1
gjournal on 6.x wont build
Hi all, I was intending on trying out gjournal on a new disk i've added in my desktop. I had a look to see what the most recent patch provided by Pawel and found http://people.freebsd.org/~pjd/patches/gjournal6_20061024.patch I created the directories as per Pawel's original post (http://lists.freebsd.org/pipermail/freebsd-fs/2006-June/001962.html) and the patch succeeded with no failed