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R-SIG-mixed-models March 2013

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Adam Smith

Last active: Mar 5, 2013
1 msg
Adam Smith Changes of estimate sign when interaction effects are highly significant Mar 5, 2013

Alan Haynes

Last active: Mar 21, 2013
1 msg
Alan Haynes R2 from mixed models Mar 21, 2013

Alexej Siren

Last active: Mar 13, 2013
2 msgs
Alexej Siren syntax for partially crossed model Mar 8, 2013 Alexej Siren partially crossed model Mar 13, 2013

Andrew McFadden (Andy)

Last active: Mar 25, 2013
1 msg
Andrew McFadden (Andy) mixed model negative bionomial Mar 25, 2013

Andrew Robinson

Last active: Mar 17, 2013
3 msgs
Andrew Robinson Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28, 2013 Andrew Robinson Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28, 2013 Andrew Robinson Model selection in GAMM Mar 17, 2013

Antonio P. Ramos

Last active: Mar 29, 2013
11 msgs
Antonio P. Ramos Can I compare different models - with and without random effects - across different packages? Mar 13, 2013 Antonio P. Ramos Can I compare different models - with and without random effects - across different packages? Mar 13, 2013 Antonio P. Ramos predictions for MCMCglmm Mar 18, 2013 Antonio P. Ramos predictions for MCMCglmm Mar 19, 2013 Antonio P. Ramos predictions for MCMCglmm Mar 19, 2013 Antonio P. Ramos predictions for MCMCglmm Mar 22, 2013 Antonio P. Ramos MCMCglmm predictions with fixed effects Splines Mar 25, 2013 Antonio P. Ramos MCMCglmm predictions with fixed effects Splines Mar 25, 2013 Antonio P. Ramos MCMCglmm predictions with fixed effects Splines Mar 25, 2013 Antonio P. Ramos MCMCglmm predictions with fixed effects Splines Mar 26, 2013 Antonio P. Ramos GAM and MCMCglmm - extracting splines from GAM to use in another package Mar 29, 2013

Asaf Weinstein

Last active: Mar 14, 2013
1 msg
Asaf Weinstein How does lmer obtain ML estimates that are not stationary points? Mar 14, 2013

Aurelie Cosandey Godin

Last active: Mar 19, 2013
3 msgs
Aurelie Cosandey Godin semicontinuous variables: what likelihoods are available? Mar 18, 2013 Aurelie Cosandey Godin semicontinuous variables: what likelihoods are available? Mar 18, 2013 Aurelie Cosandey Godin semicontinuous variables: what likelihoods are available? Mar 19, 2013

Ben Bolker

Last active: Mar 28, 2013
35 msgs
Ben Bolker Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 1, 2013 Ben Bolker updated sourceforge repository Mar 2, 2013 Ben Bolker False convergence Mar 2, 2013 Ben Bolker glmmADMB troubles Mar 2, 2013 Ben Bolker Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 3, 2013 Ben Bolker Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 4, 2013 Ben Bolker Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 4, 2013 Ben Bolker Changes of estimate sign when interaction effects are highly significant Mar 5, 2013 Ben Bolker Choosing nlme or lme4? Mar 5, 2013 Ben Bolker Finding r^2 value and plotting regression lines and CIs from gls Mar 10, 2013 Ben Bolker Nested Effects and Correlation Mar 10, 2013 Ben Bolker Nested Effects and Correlation Mar 11, 2013 Ben Bolker lme4 versions Mar 11, 2013 Ben Bolker 2 correlated random effects with quadrature? Mar 12, 2013 Ben Bolker gls error Mar 13, 2013 Ben Bolker optimizers for mixed models Mar 14, 2013 Ben Bolker partially crossed model Mar 14, 2013 Ben Bolker glmmADMB Warning: Estimated covariance matrix may not be positive definite Mar 14, 2013 Ben Bolker How does lmer obtain ML estimates that are not stationary points? Mar 14, 2013 Ben Bolker optimplus? (was Re: optimizers for mixed models) Mar 14, 2013 Ben Bolker Evaluating Z matrix Mar 15, 2013 Ben Bolker cAIC Mar 16, 2013 Ben Bolker Is a mixed effects appropriate? Mar 16, 2013 Ben Bolker optimizers for mixed models Mar 16, 2013 Ben Bolker Model selection in GAMM Mar 17, 2013 Ben Bolker Model selection in GAMM Mar 18, 2013 Ben Bolker Error : Mar 18, 2013 Ben Bolker semicontinuous variables: what likelihoods are available? Mar 18, 2013 Ben Bolker Random Effect Variance of Zero Mar 21, 2013 Ben Bolker optimizers for mixed models Mar 21, 2013 Ben Bolker profile Mar 22, 2013 Ben Bolker Non-convergence error for GLMM with LME4? Mar 24, 2013 Ben Bolker Make a 'between-and-within-factors' ANOVA with lmer function Mar 24, 2013 Ben Bolker mixed model negative bionomial Mar 27, 2013 Ben Bolker glmmADMB truncated distributions Mar 28, 2013

Benjamin Gillespie

Last active: Mar 13, 2013
1 msg
Benjamin Gillespie gls error Mar 13, 2013

Brad Buran

Last active: Mar 25, 2013
1 msg
Brad Buran determining whether factor is significant in linear mixed models Mar 25, 2013

Carl Von Ende

Last active: Mar 2, 2013
1 msg
Carl Von Ende new "Generalized Linear Mixed Models" book - #2 Mar 2, 2013

Chris Howden

Last active: Mar 3, 2013
5 msgs
Chris Howden Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Feb 28, 2013 Chris Howden Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 3, 2013 Chris Howden Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 3, 2013 Chris Howden Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 3, 2013 Chris Howden Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 3, 2013

David Duffy

Last active: Mar 16, 2013
3 msgs
David Duffy 2 correlated random effects with quadrature? Mar 12, 2013 David Duffy Can I compare different models - with and without random effects - across different packages? Mar 13, 2013 David Duffy Breeding Values of Parentals (pedigreemm) Mar 16, 2013

Douglas Bates

Last active: Mar 25, 2013
5 msgs
Douglas Bates New book "Generalized Linear Mixed Models" by Walter Stroup Mar 2, 2013 Douglas Bates Question about gls R function Mar 4, 2013 Douglas Bates optimizers for mixed models Mar 14, 2013 Douglas Bates Request for large data sets for linear mixed models Mar 25, 2013 Douglas Bates Request for large data sets for linear mixed models Mar 25, 2013

Emmanuel Curis

Last active: Mar 5, 2013
5 msgs
Emmanuel Curis Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Mar 1, 2013 Emmanuel Curis Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 1, 2013 Emmanuel Curis Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 4, 2013 Emmanuel Curis Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 4, 2013 Emmanuel Curis Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 5, 2013

Felipe Vargas Reeve

Last active: Mar 18, 2013
2 msgs
Felipe Vargas Reeve Breeding Values of Parentals (pedigreemm) Mar 15, 2013 Felipe Vargas Reeve Breeding Values of Parentals (pedigreemm) Mar 18, 2013

Filipe Carvalho

Last active: Mar 13, 2013
2 msgs
Filipe Carvalho Choosing nlme or lme4? Mar 5, 2013 Filipe Carvalho spatial/temporal correlation in gamm with binomial data Mar 13, 2013

Gabriel Baud-Bovy

Last active: Mar 28, 2013
2 msgs
Gabriel Baud-Bovy random effects with covariance matrix depending on a group characteristic Mar 27, 2013 Gabriel Baud-Bovy how to impose same variance for two random effects with fixed correlation patterns? Mar 28, 2013

George Wang

Last active: Mar 18, 2013
1 msg
George Wang semicontinuous variables: what likelihoods are available? Mar 18, 2013

Giovanni Mancuso

Last active: Mar 25, 2013
1 msg
Giovanni Mancuso complete separation problem lmer Mar 25, 2013

Iasonas Lamprianou

Last active: Mar 31, 2013
4 msgs
Iasonas Lamprianou confidence interval for the SD of random effects Mar 28, 2013 Iasonas Lamprianou variance of fixed effects Mar 28, 2013 Iasonas Lamprianou lme heteroscedasticity Mar 31, 2013 Iasonas Lamprianou lme heteroscedasticity Mar 31, 2013

Ivain MARTINOSSI--ALLIBERT

Last active: Mar 29, 2013
1 msg
Ivain MARTINOSSI--ALLIBERT Is there any way to model nested random effects in MCMCglmm? Mar 29, 2013

Jarrod Hadfield

Last active: Mar 30, 2013
10 msgs
Jarrod Hadfield Data frame size limits in MCMCglmm? Mar 6, 2013 Jarrod Hadfield Is it possible to run MCMCglmm without varying effects? Mar 6, 2013 Jarrod Hadfield MCMCglmm ordinal: clarification on estimating an intercepts only model and interpreting cutpoints Mar 14, 2013 Jarrod Hadfield predictions for MCMCglmm Mar 19, 2013 Jarrod Hadfield predictions for MCMCglmm Mar 22, 2013 Jarrod Hadfield predictions for MCMCglmm Mar 22, 2013 Jarrod Hadfield MCMCglmm predictions with fixed effects Splines Mar 26, 2013 Jarrod Hadfield MCMCglmm predictions with fixed effects Splines Mar 26, 2013 Jarrod Hadfield Is there any way to model nested random effects in MCMCglmm? Mar 29, 2013 Jarrod Hadfield MCMCglmm error message - data.frame subscripts Mar 30, 2013

John Maindonald

Last active: Feb 28, 2013
1 msg
John Maindonald Dispersion parameter calculation for Poisson glmer Feb 28, 2013

John Sorkin

Last active: Mar 10, 2013
1 msg
John Sorkin Cluster analysis in the setting of repeated measures Mar 10, 2013

Jonathan Salerno

Last active: Mar 13, 2013
2 msgs
Jonathan Salerno Is it possible to run MCMCglmm without varying effects? Mar 5, 2013 Jonathan Salerno MCMCglmm ordinal: clarification on estimating an intercepts only model and interpreting cutpoints Mar 13, 2013

Joshua Wiley

Last active: Mar 31, 2013
9 msgs
Joshua Wiley 2 correlated random effects with quadrature? Mar 12, 2013 Joshua Wiley Model selection in GAMM Mar 18, 2013 Joshua Wiley Model selection in GAMM Mar 18, 2013 Joshua Wiley predictions for MCMCglmm Mar 19, 2013 Joshua Wiley MCMCglmm predictions with fixed effects Splines Mar 25, 2013 Joshua Wiley MCMCglmm predictions with fixed effects Splines Mar 27, 2013 Joshua Wiley MCMCglmm:interaction bt continuous variable and categorical random effect Mar 31, 2013 Joshua Wiley lme heteroscedasticity Mar 31, 2013 Joshua Wiley MCMCglmm:interaction bt continuous variable and categorical random effect Mar 31, 2013

KAYIS Seyit Ali

Last active: Mar 22, 2013
2 msgs
KAYIS Seyit Ali data grouping and fitting mixed model with lme function Mar 2, 2013 KAYIS Seyit Ali profile Mar 22, 2013

Kevin Burls

Last active: Mar 24, 2013
1 msg
Kevin Burls glmmadmb Mar 24, 2013

Kevin E. Thorpe

Last active: Mar 21, 2013
1 msg
Kevin E. Thorpe Random Effect Variance of Zero Mar 21, 2013

Kevin Wright

Last active: Mar 25, 2013
1 msg
Kevin Wright Request for large data sets for linear mixed models Mar 25, 2013

Leanna Jones

Last active: Mar 23, 2013
1 msg
Leanna Jones Non-convergence error for GLMM with LME4? Mar 23, 2013

Liz Hare

Last active: Mar 29, 2013
1 msg
Liz Hare MCMCglmm error message - data.frame subscripts Mar 29, 2013

Luca Borger

Last active: Mar 25, 2013
2 msgs
Luca Borger Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 3, 2013 Luca Borger determining whether factor is significant in linear mixed models Mar 25, 2013

Ludovico Frate

Last active: Mar 25, 2013
1 msg
Ludovico Frate lme4 help Mar 25, 2013

MARTINEZ GUTIERREZ, PATRICIA GUADALUPE

Last active: Mar 19, 2013
1 msg
MARTINEZ GUTIERREZ, PATRICIA GUADALUPE About glmmADMB Control Options... Mar 19, 2013

MORAN LOPEZ, TERESA

Last active: Mar 5, 2013
1 msg
MORAN LOPEZ, TERESA Changes of estimate sign when interaction effects are highly significant Mar 5, 2013

Margie Mathewson

Last active: Mar 7, 2013
1 msg
Margie Mathewson Finding r^2 value and plotting regression lines and CIs from gls Mar 7, 2013

Mari Laine

Last active: Mar 27, 2013
2 msgs
Mari Laine Model selection in GAMM Mar 17, 2013 Mari Laine Model selection in GAMM Mar 27, 2013

Masca, Nicholas

Last active: Mar 1, 2013
1 msg
Masca, Nicholas Nested random effects meta-analysis using nlme? Mar 1, 2013

Nick Isaac

Last active: Mar 4, 2013
2 msgs
Nick Isaac False convergence Mar 1, 2013 Nick Isaac False convergence Mar 4, 2013

Oliver Soong

Last active: Mar 15, 2013
1 msg
Oliver Soong cAIC Mar 15, 2013

PALACIO BLASCO, SARA

Last active: Mar 6, 2013
6 msgs
PALACIO BLASCO, SARA Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 4, 2013 PALACIO BLASCO, SARA Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 4, 2013 PALACIO BLASCO, SARA Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 4, 2013 PALACIO BLASCO, SARA Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 5, 2013 PALACIO BLASCO, SARA Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 5, 2013 PALACIO BLASCO, SARA Error en mer_finalize(ans) : Downdated X'X is not positive definite, 1. What is wrong with my model? Mar 6, 2013

Pantelis H

Last active: Mar 7, 2013
1 msg
Pantelis H Nested Effects and Correlation Mar 7, 2013

Pantelis Hadjipantelis

Last active: Mar 19, 2013
4 msgs
Pantelis Hadjipantelis Evaluating Z matrix Mar 14, 2013 Pantelis Hadjipantelis optimizers for mixed models Mar 16, 2013 Pantelis Hadjipantelis Evaluating Z matrix Mar 16, 2013 Pantelis Hadjipantelis Cholesky factor discrepancy Mar 19, 2013

Philippi, Tom

Last active: Mar 29, 2013
1 msg
Philippi, Tom mixed model negative bionomial Mar 29, 2013

Robin Pritchard

Last active: Mar 29, 2013
1 msg
Robin Pritchard Help needed: Fitting and Simulating multilevel model in R. Mar 29, 2013

Roger Levy

Last active: Mar 29, 2013
1 msg
Roger Levy adjusting convergence tolerance Mar 29, 2013

Rolf Turner

Last active: Feb 28, 2013
3 msgs
Rolf Turner Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28, 2013 Rolf Turner Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28, 2013 Rolf Turner Nested fixed factors in glmer: Error in mer_finalize(ans) : Downdated X'X is not positive definite, 1. Feb 28, 2013

Ross Ahmed

Last active: Mar 16, 2013
1 msg
Ross Ahmed Is a mixed effects appropriate? Mar 16, 2013

Ross Boylan

Last active: Mar 28, 2013
13 msgs
Ross Boylan glmmADMB troubles Mar 3, 2013 Ross Boylan glmmADMB troubles Mar 6, 2013 Ross Boylan lme4 versions Mar 11, 2013 Ross Boylan lme4 versions Mar 11, 2013 Ross Boylan 2 correlated random effects with quadrature? Mar 11, 2013 Ross Boylan glmer: Downdated X'X is not positive definite [related to nAGQ] fixed? Mar 13, 2013 Ross Boylan 2 correlated random effects with quadrature? Mar 13, 2013 Ross Boylan optimizers for mixed models Mar 13, 2013 Ross Boylan optimizers for mixed models Mar 14, 2013 Ross Boylan optimizers for mixed models Mar 14, 2013 Ross Boylan optimplus? (was Re: optimizers for mixed models) Mar 14, 2013 Ross Boylan glmmADMB troubles [diagnosed + worked around] Mar 28, 2013 Ross Boylan glmmADMB truncated distributions Mar 28, 2013

Shinichi Nakagawa

Last active: Mar 1, 2013
1 msg
Shinichi Nakagawa Nested random effects meta-analysis using nlme? Mar 1, 2013

Steve Taylor

Last active: Mar 3, 2013
1 msg
Steve Taylor Can AIC be approximated by -2ln(L) i.e. the deviance, at very large sample size? Mar 3, 2013

Steve Walker

Last active: Mar 25, 2013
1 msg
Steve Walker complete separation problem lmer Mar 25, 2013

Steven Brady

Last active: Mar 25, 2013
1 msg
Steven Brady determining whether factor is significant in linear mixed models Mar 25, 2013

Steven J. Pierce

Last active: Mar 1, 2013
1 msg
Steven J. Pierce Partial effects in mixed models Mar 1, 2013

Stuart Luppescu

Last active: Mar 8, 2013
1 msg
Stuart Luppescu Comparing linear and ordinal model random effects Mar 8, 2013

Thomas Devlin

Last active: Mar 28, 2013
1 msg
Thomas Devlin mixed effects model - log likelihood test Mar 28, 2013

Thompson,Paul

Last active: Mar 1, 2013
1 msg
Thompson,Paul Partial effects in mixed models Mar 1, 2013

Vanni Rovera

Last active: Mar 26, 2013
2 msgs
Vanni Rovera Make a 'between-and-within-factors' ANOVA with lmer function Mar 24, 2013 Vanni Rovera Make a 'between-and-within-factors' ANOVA with lmer function Mar 26, 2013

angela.boag at alumni.ubc.ca

Last active: Mar 13, 2013
1 msg
angela.boag at alumni.ubc.ca glmmADMB Warning: Estimated covariance matrix may not be positive definite Mar 13, 2013

dave fournier

Last active: Mar 24, 2013
1 msg
dave fournier glmmadmb Mar 24, 2013

guillaume chaumet

Last active: Mar 27, 2013
1 msg
guillaume chaumet Make a 'between-and-within-factors' ANOVA with lmer function Mar 27, 2013

iwhite@staffmail.ed.ac.uk

Last active: Mar 27, 2013
2 msgs
iwhite@staffmail.ed.ac.uk Make a 'between-and-within-factors' ANOVA with lmer function Mar 24, 2013 iwhite@staffmail.ed.ac.uk Make a 'between-and-within-factors' ANOVA with lmer function Mar 27, 2013

john benson

Last active: Mar 31, 2013
3 msgs
john benson MCMCglmm:interaction bt continuous variable and categorical random effect Mar 31, 2013 john benson MCMCglmm:interaction bt continuous variable and categorical random effect Mar 31, 2013 john benson MCMCglmm:interaction bt continuous variable and categorical random effect Mar 31, 2013

maggenga at libero.it

Last active: Mar 1, 2013
1 msg
maggenga at libero.it R: Re: R: Re: GLMM family=binomial, link identity Mar 1, 2013

shao chunxuan

Last active: Mar 11, 2013
1 msg
shao chunxuan Error : "contrasts apply only to factors" in post-hoc analysis afer lmer fitting. Mar 11, 2013

v_coudrain at voila.fr

Last active: Mar 1, 2013
2 msgs
v_coudrain at voila.fr Partial effects in mixed models Mar 1, 2013 v_coudrain at voila.fr Partial effects in mixed models Mar 1, 2013