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59 views

lmer (lme4) nested random structure gives singular fit

I'm running the following model on some reaction time data: ...
Brechje van Osch's user avatar
7 votes
3 answers
554 views

Mixed model with nested and crossed random effects

I'm new to mixed effects models and am trying to use the lmer() function from the lme4 R package to specify a random effects ...
Tim's user avatar
  • 125
1 vote
1 answer
73 views

diference between nested and crossed random effects within my study [duplicate]

dear. How are you. There is long since I have been trying to solve a doubt about diference between nested and crossed random effects within my study. So I am here to ask and seek for some information. ...
Rodrigo Cabrera da Silva's user avatar
1 vote
1 answer
253 views

Crossed random effects: how do we model multiple reciprocal transplants in lme4?

I saw the previous post on "Crossed vs nested random effects: how do they differ and how are they specified correctly in lme4?" with a very nice descriptive response from @RobertLong (...
Christina Richards's user avatar
5 votes
1 answer
209 views

Interpreting nested random effects

I was playing around with some data and had hard time to understand the meaning of nested effects. Here's an example of a dataset (selfesteem2 from package datarium)...
User33268's user avatar
  • 1,782
1 vote
0 answers
148 views

Two factorial time series mixed effect model using lmer

I'm facing a problem regarding the the selection of an appropriate model and right synthax using lmer()-command (lme4-package). But first let me explain the design of the study: Study design: I ran an ...
XEZ's user avatar
  • 21
1 vote
1 answer
812 views

Cross-classified mixed models in lme4: How to code cluster variables when there are >2 random intercepts?

Let's suppose that I have a dataset where individual responses to a questionnaire are cross-classified within two grouping variables, G1 and G2. Based on this very informative post, it seems that ...
Benmind's user avatar
  • 11