Skip to content

R-SIG-mixed-models August 2010

|
Tuesday, August 31, 2010 3 emails
David Atkins rare binary outcome, MCMCglmm, and priors (related to separation) selling83 at me.com ROC plots and predictions with glmm? Jarrod Hadfield rare binary outcome, MCMCglmm, and priors (related to separation)
Monday, August 30, 2010 9 emails
Dennis Murphy rare binary outcome, MCMCglmm, and priors (related to separation) David Atkins rare binary outcome, MCMCglmm, and priors (related to separation) David Duffy rare binary outcome, MCMCglmm, and priors (related to separation) David Atkins rare binary outcome, MCMCglmm, and priors (related to separation) Thompson,Paul nlme question... Murray Jorgensen nlme question... Doran, Harold nlme question... Doran, Harold nlme question... Jeffrey Harring nlme question...
Sunday, August 29, 2010 4 emails
Matthew Albrecht Setting correlation to 0 for factored random effects Douglas Bates Help with coding an intervention analysis with lmer() Andrew Robinson Help with coding an intervention analysis with lmer() Dave Schoeman Help with coding an intervention analysis with lmer()
Saturday, August 28, 2010 4 emails
Andrew Robinson nlme question... Jeffrey Harring nlme question... Ista Zahn Help with coding an intervention analysis with lmer() Sam Bootstrapping
Friday, August 27, 2010 6 emails
Dave Schoeman Help with coding an intervention analysis with lmer() Dennis Murphy Help with coding an intervention analysis with lmer() Dave Schoeman Help with coding an intervention analysis with lmer() Douglas Bates Windows Binary lme4a from R-forge Ben Bolker Windows Binary lme4a from R-forge Dieter Menne Windows Binary lme4a from R-forge
Thursday, August 26, 2010 5 emails
Douglas Bates R console not responding after defining variable as factor Sabira el Messlaki R console not responding after defining variable as factor Felix Bach failure notice Jesus Frias Multiple covariates in SSbiexp model and an error message Andrew Close Multiple covariates in SSbiexp model and an error message
Wednesday, August 25, 2010 4 emails
John Maindonald GLMM, LRTs and post-hocs Ned Dochtermann Additive versus multiplicative overdispersion modeling Kay Cichini GLMM, LRTs and post-hocs Dennis Murphy lmer() causes segfault
Tuesday, August 24, 2010 13 emails
David Duffy Modeling polar coordinates Ben Bolker Model specification: crossed vs nested factors David Duffy Testing significance of random effect in lme () and lmer() Richard Feldman Model specification: crossed vs nested factors Dennis Murphy Model specification: crossed vs nested factors Sébastien Bihorel alternative interaction representations Marc Schwartz longitudinal with 2 time points Richard Feldman Model specification: crossed vs nested factors array chip longitudinal with 2 time points Marc Schwartz longitudinal with 2 time points Titus von der Malsburg Modeling polar coordinates R.S. Cotter Testing significance of random effect in lme () and lmer () array chip longitudinal with 2 time points
Monday, August 23, 2010 1 email
Michael Lawrence Bootstrapping mixed effects models
Sunday, August 22, 2010 2 emails
David Duffy Additive versus multiplicative overdispersion modeling Sébastien Bihorel alternative interaction representations
Saturday, August 21, 2010 5 emails
Reinhold Kliegl alternative interaction representations Sébastien Bihorel alternative interaction representations Jarrod Hadfield Additive versus multiplicative overdispersion modeling Shinichi Nakagawa Additive versus multiplicative overdispersion modeling Jarrod Hadfield Additive versus multiplicative overdispersion modeling
Friday, August 20, 2010 1 email
Ned Dochtermann Additive versus multiplicative overdispersion modeling
Thursday, August 19, 2010 3 emails
David Duffy Additive versus multiplicative overdispersion modeling Ned Dochtermann Additive versus multiplicative overdispersion modeling Richard Feldman Crossed effects and model selection
Wednesday, August 18, 2010 19 emails
Andrew Dolman starting values are not correct length? Luca Borger Modeling polar coordinates Titus von der Malsburg Modeling polar coordinates Luciano Selzer Modeling polar coordinates Andrew Dolman starting values are not correct length? Michael Larkin starting values are not correct length? Luca Borger my first random effects logistic regression Martin Maechler my first random effects logistic regression Titus von der Malsburg Modeling polar coordinates ONKELINX, Thierry Modelling heterogeneity and crossed random effects Jarrod Hadfield my first random effects logistic regression Amelie LESCROEL Modelling heterogeneity and crossed random effects ONKELINX, Thierry my first random effects logistic regression ONKELINX, Thierry Modelling heterogeneity and crossed random effects David Duffy my first random effects logistic regression Amelie LESCROEL Modelling heterogeneity and crossed random effects Luciano Selzer my first random effects logistic regression Bob Huang Problem in Between Subject Correlation dieter.anseeuw my first random effects logistic regression
Tuesday, August 17, 2010 13 emails
Milani Chaloupka Testing whether I need a random effect? Christopher David Desjardins Testing whether I need a random effect? David Duffy Testing whether I need a random effect? Fred piecewise mixed effects model with know breakpoint Ben Bolker Testing whether I need a random effect? Christopher David Desjardins Testing whether I need a random effect? Matthew Diebel piecewise mixed effects model with know breakpoint Amelie LESCROEL Modelling heterogeneity and crossed random effects Jarrod Hadfield Monte Carlo simulations for lmer with binomial link Ben Bolker Selecting random effects in lme4: ML vs. QAICc Ben Bolker Monte Carlo simulations for lmer with binomial link Marco van de Ven Monte Carlo simulations for lmer with binomial link Jarrod Hadfield Questions about mix models
Monday, August 16, 2010 8 emails
Julien Beguin RE : RE : Questions about mix models Luca Borger RE : Questions about mix models Rebecca Ross Advice on fitting particular treatment contrasts in a random effects model Alena Drašnarová RE : Questions about mix models Richard Feldman Selecting random effects in lme4: ML vs. QAICc Julien Beguin RE : Questions about mix models Angelo Franchini (no subject) Alena Drašnarová Questions about mix models
Sunday, August 15, 2010 2 emails
Ben Bolker Selecting random effects in lme4: ML vs. QAICc Richard Feldman Selecting random effects in lme4: ML vs. QAICc
Saturday, August 14, 2010 2 emails
Murray Jorgensen stuck with maximum likelihood problem Ben Bolker stuck with maximum likelihood problem
Friday, August 13, 2010 12 emails
Michael Larkin stuck with maximum likelihood problem Greg Snow Worked analysis of owl data Douglas Bates examples in Applied Longitudinal Analysis Marc Schwartz longitudinal with 2 time points Sébastien Bihorel examples in Applied Longitudinal Analysis Douglas Bates examples in Applied Longitudinal Analysis Fredrik Nilsson examples in Applied Longitudinal Analysis Reinhold Kliegl Contrasts for interactions in lmer Paul Metzner Contrasts for interactions in lmer Reinhold Kliegl Contrasts for interactions in lmer Paul Metzner Contrasts for interactions in lmer Chris Mcowen Worked analysis of owl data
Thursday, August 12, 2010 11 emails
array chip longitudinal with 2 time points Douglas Bates examples in Applied Longitudinal Analysis Michael Lawrence Testing differences in measurement variance Ben Bolker Testing differences in measurement variance Michael Lawrence Testing differences in measurement variance Sébastien Bihorel examples in Applied Longitudinal Analysis Marc Schwartz longitudinal with 2 time points Reinhold Kliegl Contrasts for interactions in lmer Jarrod Hadfield D relationship matrix Jarrod Hadfield longitudinal with 2 time points Paul Metzner Contrasts for interactions in lmer
Wednesday, August 11, 2010 31 emails
array chip longitudinal with 2 time points array chip longitudinal with 2 time points array chip longitudinal with 2 time points John Maindonald Why am I getting a Variance of 0 for my random effect Craig Hardner D relationship matrix John Maindonald Why am I getting a Variance of 0 for my random effect Andrew Robinson Why am I getting a Variance of 0 for my random effect Douglas Bates Why am I getting a Variance of 0 for my random effect Kevin E. Thorpe Why am I getting a Variance of 0 for my random effect Douglas Bates Why am I getting a Variance of 0 for my random effect Gustavo Betini Why am I getting a Variance of 0 for my random effect Douglas Bates Why am I getting a Variance of 0 for my random effect Douglas Bates Why am I getting a Variance of 0 for my random effect Kevin E. Thorpe Why am I getting a Variance of 0 for my random effect Daniel Ezra Johnson Why am I getting a Variance of 0 for my random effect Kevin E. Thorpe Why am I getting a Variance of 0 for my random effect Chris Mcowen LRT tests in lmer Jarrod Hadfield LRT tests in lmer Chris Mcowen LRT tests in lmer Jarrod Hadfield LRT tests in lmer Chris Mcowen LRT tests in lmer Jarrod Hadfield D relationship matrix Jarrod Hadfield LRT tests in lmer Jarrod Hadfield LRT tests in lmer Chris Mcowen LRT tests in lmer Chris Mcowen LRT tests in lmer Ben Bolker LRT tests in lmer Marc Schwartz longitudinal with 2 time points Charles E. (Ted) Wright longitudinal with 2 time points Craig Hardner D relationship matrix John Maindonald longitudinal with 2 time points
Tuesday, August 10, 2010 4 emails
array chip env() error message array chip longitudinal with 2 time points Jarrod Hadfield MCMCglmm 2.05 update John Haart Predict response variable Lmer
Monday, August 9, 2010 6 emails
Bob Huang Specifying correlation structure of random effects in lme() Paolo Innocenti Clarification needed about the terminology used whentalking about mixed models Amelie LESCROEL Clarification needed about the terminology used whentalking about mixed models Amelie LESCROEL Clarification needed about the terminology used when talking about mixed models Thompson,Paul Clarification needed about the terminology used whentalking about mixed models Amelie LESCROEL Clarification needed about the terminology used when talking about mixed models
Saturday, August 7, 2010 1 email
Reinhold Kliegl Update: Easiest way to install lme4 on Mac OS X
Friday, August 6, 2010 8 emails
Dave Schoeman R-sig-mixed-models Digest, Vol 44, Issue 19 Ben Bolker Generalised Linear Mixed Model with Moving Average Daniel Myall Update: Easiest way to install lme4 on Mac OS X Ben Bolker Plot a "mer" object Mark Bilton Generalised Linear Mixed Model with Moving Average Marianne Promberger lmer() for conjoint analysis? (interpreting coefficients) Dave Schoeman Multiple before-after control-impact analysis Andy Fugard lmer() for conjoint analysis? (interpreting coefficients)
Thursday, August 5, 2010 4 emails
John Maindonald checking for overdispersion in lmer? Marianne Promberger lmer() for conjoint analysis? (interpreting coefficients) Douglas Bates In mer_finalize(ans) : gr cannot be computed at initial par (65) touchtonj checking for overdispersion in lmer?
Wednesday, August 4, 2010 14 emails
Douglas Bates variance-covariance structure of random effects in glmer Douglas Bates lme for split-plot Douglas Bates Binary response ordering John Haart Binary response ordering Douglas Bates Binary response ordering Gustavo Betini Correlation of random effects Bob Huang specify the correlation structure Douglas Bates RE : with lmer : Erreur dans names(argNew)[1] <- names(formals(new))[[1]] Douglas Bates Correlation of random effects Etienne Laliberté Edward's 2008 R^2 for lme? John Haart Binary response ordering ONKELINX, Thierry Binary response ordering John Haart Binary response ordering DUYME Florent RE : with lmer : Erreur dans names(argNew)[1] <- names(formals(new))[[1]]
Tuesday, August 3, 2010 19 emails
David Duffy gamm4 model formulation clarification David Duffy Correlation of random effects Douglas Bates compiling CHOLMOD c code Douglas Bates Updating fit with lmer() Douglas Bates Fitting crossed random effects in lme (not lmer) Gustavo Betini Correlation of random effects Douglas Bates with lmer : Erreur dans names(argNew)[1] <- names(formals(new))[[1]] Douglas Bates Effective sample size Ben Bolker factor / intiger Daniel Ezra Johnson factor / intiger Sam factor / intiger Daniel Ezra Johnson factor / intiger Sam factor / intiger Michael Lawrence gamm4 model formulation clarification Peter Francis Multi-level qualitative (fixed-effects) factors ONKELINX, Thierry Multi-level qualitative (fixed-effects) factors ONKELINX, Thierry Multi-level qualitative (fixed-effects) factors Peter Francis Multi-level qualitative (fixed-effects) factors Andrew Dolman Multi-level qualitative (fixed-effects) factors
Monday, August 2, 2010 9 emails
Peter Francis Multi-level qualitative (fixed-effects) factors chris.brien at iinet.net.au Negative estimates of variance component Ben Bolker Negative estimates of variance component David Duffy Multi-level qualitative (fixed-effects) factors David Duffy lme4 and cholmod warning Michael Lawrence gamm4 model formulation clarification Peter Francis Multi-level qualitative (fixed-effects) factors Marie-Agnes lme4 and cholmod warning Wilmar Igl Residuals of mixed effects model
Sunday, August 1, 2010 13 emails
Sol Heber In mer_finalize(ans) : gr cannot be computed at initial par (65) John Maindonald Negative estimates of variance component David Duffy Interpretation of lmer's sigma for binomial data Rolf Turner Interpretation of lmer's sigma for binomial data Rafael Laboissiere Interpretation of lmer's sigma for binomial data Chris Mcowen RE Overdispersion lme4 binomial Chris Mcowen RE Overdispersion lme4 binomial Chris Mcowen Overdispersion lme4 binomial Jarrod Hadfield Overdispersion lme4 binomial Chris Mcowen Overdispersion lme4 binomial Michael Lawrence help in coding random effects in lmer nuala brady help in coding random effects in lmer Jarrod Hadfield What to do when a subset of binomial data has only positive outcomes
Saturday, July 31, 2010 4 emails
Reinhold Kliegl gamm4 model formulation clarification Xiao He What to do when a subset of binomial data has only positive outcomes Xiao He What to do when a subset of binomial data has only positive outcomes Xiao He R-sig-mixed-models Digest, Vol 43, Issue 48