Re: [R] - round() strange behaviour

2007-08-02 Thread JRG
. Do you have any explanation for that? I wouldn't call that strange behaviour; I'd call that correct. ---JRG I really appreciate your input, Monica _ [[trailing spam removed]] [[alternative HTML version

Re: [R] Correlation adjusted Bonferroni? (was: Multiple tests on repeated measurements)

2006-08-02 Thread JRG
*k. But strong correlation among test statistics can certainly reduce the limit well below 1-(1-p)^k . ---JRG John R. Gleason Syracuse University 430 Huntington Hall Voice: 315-443-3107 Syracuse, NY 13244-2340 USA FAX: 315-443-4085 PGP public key

Re: [R] A comment about R:

2006-01-03 Thread JRG
of Stata users among the faculty here. I'l also agree that Stata's GUI is ghastly; most of my students (both during courses and any later use) quickly adapt to using Stata's command line, and they use it quite effectively. ---JRG John R. Gleason Associate Professor Syracuse University 430 Huntington

Re: [R] Lack of independence in anova()

2005-07-06 Thread JRG
of test statistics. Are you? ---JRG John R. Gleason I meant to write were not what you expected. I've got to learn to read the email messages before posting them. __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help

Re: [R] Question about Tukey HSD (stat package)

2005-03-14 Thread JRG
right. I believe that Hayter (JASA, 1984, 12, 61--75) proves that the so-called Tukey-Kramer method is guarnateed to be conservative for any set of cell sizes --- under the usual ANOVA model, of course. ---JRG -- O__ Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept

Re: [R] Question about Tukey HSD (stat package)

2005-03-14 Thread JRG
On 14 Mar 2005 at 17:22, Peter Dalgaard wrote: JRG [EMAIL PROTECTED] writes: On 14 Mar 2005 at 16:13, Peter Dalgaard wrote: Alice Le Bars [EMAIL PROTECTED] writes: Dear all, I would be glad if someone could tell me if Tukey HSD (function of stats library) accept

Re: [R] Homogeneity of variance tests between more than 2 sample

2004-12-19 Thread JRG
if the populations are symmetric. I don't know which version SPSS has implemented. Carroll, R. J., Schneider, H. (1985). A note on Levene's tests for equality of variances. Statistics Probability Letters, 3, 191--194. ---JRG John R. Gleason Syracuse University 430 Huntington Hall

Re: [R] lme newbie question

2004-06-11 Thread JRG
these conditions to be random effects in a model enable valid generalization? ---JRG John R. Gleason Syracuse University 430 Huntington Hall Voice: 315-443-3107 Syracuse, NY 13244-2340 USA FAX: 315-443-4085 PGP public key at keyservers

RE: [R] Levene test of homogeneity of variance

2003-08-14 Thread JRG
., Statistics Probability Letters, 1985, 3, 191-194. ---JRG -- Harold C. Doran Director of Research and Evaluation New American Schools 675 N. Washington Street, Suite 220 Alexandria, Virginia 22314 703.647.1628 http://www.edperform.net -Original Message- From: Haynes

Re: [R] ss's are incorrect from aov with multiple factors

2003-07-11 Thread JRG
-help In what sense are the SSs incorrect, exactly? And what do you think the correct values should be? ---JRG John R. Gleason Associate Professor Syracuse University 430 Huntington Hall Voice: 315-443-3107 Syracuse, NY 13244-2340 USA FAX: 315-443-4085