![Should I use fixed effects or random effects when I have fewer than five levels of a grouping factor in a mixed-effects model? [PeerJ] Should I use fixed effects or random effects when I have fewer than five levels of a grouping factor in a mixed-effects model? [PeerJ]](https://dfzljdn9uc3pi.cloudfront.net/2022/12794/1/fig-2-full.png)
Should I use fixed effects or random effects when I have fewer than five levels of a grouping factor in a mixed-effects model? [PeerJ]
![Amazon.com: SAS for Mixed Models, Second Edition: 9781590475003: Littell Ph.D., Ramon C., Milliken Ph.D., George A., Stroup Ph.D., Walter W., Wolfinger Ph.D., Russell D., Schabenberger Ph.D., Oliver: Books Amazon.com: SAS for Mixed Models, Second Edition: 9781590475003: Littell Ph.D., Ramon C., Milliken Ph.D., George A., Stroup Ph.D., Walter W., Wolfinger Ph.D., Russell D., Schabenberger Ph.D., Oliver: Books](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/81TdAZdwGKL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: SAS for Mixed Models, Second Edition: 9781590475003: Littell Ph.D., Ramon C., Milliken Ph.D., George A., Stroup Ph.D., Walter W., Wolfinger Ph.D., Russell D., Schabenberger Ph.D., Oliver: Books
![Generalized Linear Mixed Effects Models in R and Python with GPBoost | by Fabio Sigrist | Towards Data Science Generalized Linear Mixed Effects Models in R and Python with GPBoost | by Fabio Sigrist | Towards Data Science](https://miro.medium.com/v2/resize:fit:1400/1*hi7huSeqSgc58d1_u22pag.jpeg)
Generalized Linear Mixed Effects Models in R and Python with GPBoost | by Fabio Sigrist | Towards Data Science
![Quantile-quantile (Q-Q) plot of the general linear model (GLM), mixed... | Download Scientific Diagram Quantile-quantile (Q-Q) plot of the general linear model (GLM), mixed... | Download Scientific Diagram](https://www.researchgate.net/publication/347959520/figure/fig1/AS:1022917932511232@1620894048270/Quantile-quantile-Q-Q-plot-of-the-general-linear-model-GLM-mixed-linear-model-MLM.png)
Quantile-quantile (Q-Q) plot of the general linear model (GLM), mixed... | Download Scientific Diagram
![Chapter 20 Generalized linear models I: Count data | Elements of Statistical Modeling for Experimental Biology Chapter 20 Generalized linear models I: Count data | Elements of Statistical Modeling for Experimental Biology](https://www.middleprofessor.com/files/applied-biostatistics_bookdown/_book/Walker-elementary-statistical-modeling-draft_files/figure-html/glm1-plot1-1.png)
Chapter 20 Generalized linear models I: Count data | Elements of Statistical Modeling for Experimental Biology
Happystatistics - 😄😄😄 The reasons we learn more and more....we will see some concepts and understand more.....some that we used to know...later on it might be changed not because of our beliefs.
![Output from general linear mixed-models (GLMM) and generalized linear... | Download Scientific Diagram Output from general linear mixed-models (GLMM) and generalized linear... | Download Scientific Diagram](https://www.researchgate.net/publication/259547578/figure/tbl2/AS:1079029281095681@1634272036795/Output-from-general-linear-mixed-models-GLMM-and-generalized-linear-models-GLM.png)