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New posts in mixed-models
GLMER warning: variance-covariance matrix [...] is not positive definite or contains NA values
Jul 15, 2022
r
lme4
mixed-models
lmer error: grouping factor must be < number of observations
Oct 15, 2019
r
lme4
mixed-models
nlme
Collinearity after accounting for random/mixed effects
Oct 27, 2017
r
regression
lme4
mixed-models
nlme
How to have multiple groups in Python statsmodels linear mixed effects model?
Mar 07, 2022
python
r
statsmodels
lme4
mixed-models
R: Interaction Plot with a continuous and a categorical variable for a GLMM (lme4)
Aug 26, 2019
r
plot
interaction
lme4
mixed-models
robust standard errors for mixed-effects models in lme4 package of R
Feb 26, 2022
r
mixed-models
How to plot random intercept and slope in a mixed model with multiple predictors?
Aug 10, 2018
r
plot
mixed-models
lmer
random-effects
multinomial mixed logit model mlogit r-package
Aug 31, 2018
r
mixed-models
multinomial
mlogit
Extract the random effects design matrix in nlme
Oct 29, 2022
r
lme4
mixed-models
nlme
How to specify different random effects in nlme vs. lme4?
Oct 18, 2019
r
lme4
mixed-models
nlme
Converting Repeated Measures mixed model formula from SAS to R
Jun 06, 2022
r
sas
mixed-models
How to suppress correlation table in LME?
Mar 10, 2022
r
output
correlation
mixed-models
Error: Invalid grouping factor specification
Mar 29, 2022
r
lme4
mixed-models
Singularity in backsolve at level 0, block 1 in LME model
Aug 31, 2021
r
mixed-models
lme4::glmer.nb function produces "Error in family$family : $ operator not defined for this S4 class" depending on the order I run models
Aug 06, 2020
r
lme4
mixed-models
Cubic spline method for longitudinal series data?
Dec 03, 2017
r
regression
spline
mixed-models
bspline
R geepack: unreasonably large estimates using GEE
Aug 21, 2019
r
logistic-regression
glm
mixed-models
random-effects
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