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R-SIG-mixed-models March 2010

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Wednesday, March 31, 2010 7 emails
Ben Bolker Increasing iteration limit / lmer bug Luca Borger Increasing iteration limit / lmer bug Adam D. I. Kramer Increasing iteration limit / lmer bug Adam D. I. Kramer Increasing iteration limit / lmer bug Douglas Bates lmer question Federico Calboli clogit error message NJ Robinson clogit error message
Tuesday, March 30, 2010 8 emails
David Evans Need for help with random-effect coding in Poisson model Douglas Bates nlme Henrik Pärn multilevel circular regression Jana Bürger unbalanced data in nested lmer model Andrew Dolman interactions Christophe Dutang missing data + explanatory variables Iasonas Lamprianou interactions ONKELINX, Thierry interactions
Monday, March 29, 2010 16 emails
Rubén Roa Correlation of -1: is it a problem? Iasonas Lamprianou interactions Ben Bolker unbalanced data in nested lmer model Luca Borger unbalanced data in nested lmer model Eric Castet Correlation of -1: is it a problem? Tim Carnus poisson GLMER with identity link Ben Bolker The issue of increasing maximum number of iterations Andrew Dolman unbalanced data in nested lmer model jungck Interaction Terms controlling Influence case in lmer Jana Bürger unbalanced data in nested lmer model Iasonas Lamprianou fixed vs random Stuart Luppescu fixed vs random jungck Interactive Term Plot in LMER Steven J. Pierce Interaction Terms controlling Influence case in lmer jungck Interactive Term Plot in LMER Martin Stjernman The issue of increasing maximum number of iterations
Sunday, March 28, 2010 8 emails
Iasonas Lamprianou fixed vs random jungck Interaction Terms controlling Influence case in lmer Daniel Ezra Johnson fixed vs random Iasonas Lamprianou fixed vs random Ben Bolker Mixed/Hierarchical/Multilevel Modeling packages in R Ben Bolker Very weird lmer results, compared to SAS proc mix Douglas Bates Very weird lmer results, compared to SAS proc mix Manuel Spínola Correlation of -1.00 in a mixed model
Saturday, March 27, 2010 7 emails
Hadley Wickham Very weird lmer results, compared to SAS proc mix Yong Wu Very weird lmer results, compared to SAS proc mix Adam D. I. Kramer Significance and lmer David Duffy Significance and lmer Adam D. I. Kramer Significance and lmer Ben Bolker Significance and lmer Eric Edeline Could not get a lmer or glmer summary
Friday, March 26, 2010 9 emails
Adam D. I. Kramer Significance and lmer David Duffy Could not get a lmer or glmer summary Eric Edeline Could not get a lmer or glmer summary Douglas Bates Correlation of -1: is it a problem? Luca Borger missing data + explanatory variables Eric Castet Correlation of -1: is it a problem? Christophe Dutang missing data + explanatory variables Andrew Dolman unbalanced data in nested lmer model Jana Bürger unbalanced data in nested lmer model
Thursday, March 25, 2010 4 emails
Ben Bolker Mixed effects model selection Ben Bolker Could not get a lmer or glmer summary Christophe Dutang missing data + explanatory variables Emmanuel Charpentier missing data + explanatory variables : important complement.
Wednesday, March 24, 2010 8 emails
Eric Edeline Could not get a lmer or glmer summary Eric Edeline Could not get a lmer or glmer summary Emmanuel Charpentier missing data + explanatory variables David Duffy Could not get a lmer or glmer summary hamish.wilman at yale.edu Mixed effects model selection Eric Edeline Could not get a lmer or glmer summary Jana Bürger unbalanced data in nested lmer model Christophe Dutang missing data + explanatory variables
Tuesday, March 23, 2010 2 emails
Alex Safari (no subject) Andrew Dolman general lineal mixed model with unbalanced data
Monday, March 22, 2010 6 emails
Elizabeth Crone How to change the distribution of the random David Douterlungne general lineal mixed model with unbalanced data James Croft Is it possible to specify a model with correlated random effects and different residual variance for 2 conditions? Kingsford Jones lmer and splines Federico Calboli lmer and splines Peter Dalgaard Query lme4
Sunday, March 21, 2010 3 emails
James Croft Is it possible to specify a model with correlated random effects and different residual variance for 2 conditions? Ben Bolker Problem specifying Gamma distribution in lme4/glmer Ben Bolker general lineal mixed model with unbalanced data
Saturday, March 20, 2010 1 email
Ben Bolker Query lme4
Friday, March 19, 2010 6 emails
Elizabeth Crone Query lme4 Ben Bolker worked example & FAQ Luca Borger cloglog and lmer Ben Bolker cloglog and lmer Ben Bolker cloglog and lmer Alessandro Moscatelli cloglog link
Thursday, March 18, 2010 2 emails
Douglas Bates Query lme4 Ken Knoblauch anova in lmer modifies REML to ML
Wednesday, March 17, 2010 3 emails
Paul Johnson New package: ordinal Kvingedal, Eli mixed effects models and pseudo replication martin highfield residuals from glmm using lmer
Tuesday, March 16, 2010 3 emails
Kingsford Jones Mixed/Hierarchical/Multilevel Modeling packages in R David Duffy New package: ordinal Gregor Gorjanc New package: ordinal
Monday, March 15, 2010 7 emails
Ben Bolker residuals from glmm using lmer martin highfield residuals from glmm using lmer Colin Millar significance test of random and fixed effects in(quasi) poisson GLMM Antonio.Gasparrini at lshtm.ac.uk significance test of random and fixed effects in (quasi) poisson GLMM Vincent Kint significance test of random and fixed effects in (quasi) poisson GLMM Jarrod Hadfield MCMCglmm Jim Regetz Model building problem?
Sunday, March 14, 2010 6 emails
David Duffy MCMCglmm Alex Safari MCMCglmm Colin Millar number of levels of grouping factor == number ofobservations Manuel Spínola Problems with function ranef in lme4 Ben Bolker Problems with function ranef in lme4 Manuel Spínola Problems with function ranef in lme4
Saturday, March 13, 2010 4 emails
David Duffy Model building problem? Andrew Dolman Model building problem? Luciano La Sala Model building problem? Antonio.Gasparrini at lshtm.ac.uk significance test of random and fixed effects in (quasi) poisson GLMM
Friday, March 12, 2010 5 emails
Vincent Kint significance test of random and fixed effects in (quasi) poisson GLMM R.S. Cotter lme and how to get the standard error of the prediction? Nina Bhola two random statements with a correlation structures Bruno Moreira Nested fixed variable in glmer Hank Stevens Random intercept and slope model with lmer
Thursday, March 11, 2010 11 emails
Douglas Bates Options for prediction from lmer David Duffy incorporating a kinship matrix David Hsu Options for prediction from lmer Anna Renwick Test of random effect in lme4 Stefano Leonardi Test of random effect in lme4 Pelle Ingvarsson incorporating a kinship matrix Anna Renwick Test of random effect in lme4 Ben Bolker Test of random effect in lme4 Luciano La Sala Test of random effect in lme4 Kvingedal, Eli mixed effects models and pseudo replication ONKELINX, Thierry mixed effects models and pseudo replication
Wednesday, March 10, 2010 4 emails
David Hsu Options for prediction from lmer Kvingedal, Eli mixed effects models and pseudo replication Walmes Zeviani Res: problem with estimation of individual and interaction term with small residual variance Florian Klinglmueller problem with estimation of individual and interaction term with small residual variance
Tuesday, March 9, 2010 8 emails
Ben Bolker Random intercept and slope model with lmer David Duffy number of levels of grouping factor == number ofobservations Guilherme Mazzochini ANCOVA with lme4 Douglas Bates number of levels of grouping factor == number of observations Doran, Harold Size/metric of variance components in lme and lmer Stuart Luppescu Size/metric of variance components in lme and lmer Doran, Harold Effect Size in lme ONKELINX, Thierry Size/metric of variance components in lme and lmer
Monday, March 8, 2010 11 emails
John Maindonald Quasilikelihood considered harmful? was: Examples of GLMM fits? Stuart Luppescu Size/metric of variance components in lme and lmer Marcio M. de Morais Jr. Effect Size in lme Patrick Onyango Effect Size in lme Ben Bolker Effect Size in lme Ben Bolker Quasilikelihood considered harmful? was: Examples of GLMM fits? Douglas Bates Quasilikelihood considered harmful? was: Examples of GLMM fits? Murray Jorgensen Quasilikelihood considered harmful? was: Examples of GLMM fits? Xiaoyue Cheng How to change the distribution of the random effect? Patrick Onyango Effect Size in lme Douglas Bates Examples of GLMM fits?
Sunday, March 7, 2010 1 email
Antonio.Gasparrini at lshtm.ac.uk Examples of GLMM fits?
Saturday, March 6, 2010 3 emails
David Duffy Testing signif. of random effects by bootstrapping Luciano La Sala Testing signif. of random effects by bootstrapping Douglas Bates Examples of GLMM fits?
Friday, March 5, 2010 5 emails
Emmanuel Charpentier Apologies + a couple of data points (Re: lme4a, glmer and all that) Douglas Bates Sorry for the false alarm - results from glmer in the released lme4 are consistent with other software Gabor Grothendieck Sorry for the false alarm - results from glmer in the released lme4 are consistent with other software Douglas Bates Sorry for the false alarm - results from glmer in the released lme4 are consistent with other software martin highfield confounded random and fixed effects
Thursday, March 4, 2010 9 emails
Emmanuel Charpentier lme4a, glmer and all that Douglas Bates lme4a, glmer and all that Federico Calboli lme4a, glmer and all that Douglas Bates lme4a, glmer and all that Douglas Bates lme4a, glmer and all that Federico Calboli lme4a, glmer and all that Douglas Bates lme4a, glmer and all that Federico Calboli Conditional logistic regression vs lmer Yuan Yuan var estimates of the random effects variance in lme4
Wednesday, March 3, 2010 20 emails
Greg Lee lme4a? Ben Bolker lme4a? Greg Lee lme4a? Ben Bolker lme4a? Gabor Grothendieck lme4a? Ben Bolker lme4a? Greg Lee lme4a? David Duffy Conditional logistic regression vs lmer Colin Millar var estimates of the random effects variance in lme4 Douglas Bates var estimates of the random effects variance in lme4 Yuan Yuan var estimates of the random effects variance in lme4 Qiu Wang three level var-cov matrix Federico Calboli Conditional logistic regression vs lmer Andrew Dolman Running repeated measures in lme4 Emma Stone Running repeated measures in lme4 Andrew Dolman Running repeated measures in lme4 Andrew Dolman Running repeated measures in lme4 Emma Stone Running repeated measures in lme4 Ben Bolker Running repeated measures in lme4 Emma Stone Running repeated measures in lme4
Tuesday, March 2, 2010 1 email
Chris Knight discrete random effect query
Monday, March 1, 2010 10 emails
Steve Candy R2 measure in mixed models? (Steve Candy) [Sec=Unclassified] David Duffy R2 measure in mixed models? Juliet Hannah R2 measure in mixed models? Ista Zahn specifying model with multiple interactions David Duffy R2 measure in mixed models? Juliet Hannah R2 measure in mixed models? James Croft specifying model with multiple interactions Douglas Bates Approximate standard error for variance component with lmer Julien Martin Approximate standard error for variance component with lmer Ulrich Halekoh lmer: Change the Zt matrix and refit