query: Why is $R^2$ so difficult to calculate for mixed models (both for the model as a whole and the fixed effects)?
positive_passages.docid: 151995
positive_passages.text: Why are effect size estimates (such as $R^2$) difficult in mixed-effects models?
negative_passages.docid: 67516
negative_passages.text: How can I derive effect sizes in lme4 and describe the magnitude of fixed effects?
negative_passages.docid: 56599
negative_passages.text: Is $R^2$ useful or dangerous?
negative_passages.docid: 5026
negative_passages.text: Can I use multiple regression when I have mixed categorical and continuous predictors?
negative_passages.docid: 44780
negative_passages.text: Are RSS and R^2 related to training error only?
negative_passages.docid: 3397
negative_passages.text: R: linear regression: very small coefficient and R-squared but significant P values
negative_passages.docid: 145044
negative_passages.text: Why do I get zero variance of a random effect in my mixed model, despite some variation in the data?
negative_passages.docid: 109272
negative_passages.text: Crossed vs nested random effects: how do they differ and how are they specified correctly in lme4?
negative_passages.docid: 134949
negative_passages.text: Can someone confirm if I am running this generalized linear model in R correctly? Multiple observations in each experimental unit
negative_passages.docid: 102617
negative_passages.text: How do I interpret the Mann-Whitney U when using R's formula interface
negative_passages.docid: 71537
negative_passages.text: Interpreting a generalised linear mixed model with binomial data
negative_passages.docid: 54925
negative_passages.text: Why do lme and aov return different results for repeated measures ANOVA in R?
negative_passages.docid: 24350
negative_passages.text: Fixed vs Random Effects
negative_passages.docid: 50350
negative_passages.text: Linear regression with interaction fails in the rms-package
negative_passages.docid: 118772
negative_passages.text: Is R-squared value appropriate for comparing models?
negative_passages.docid: 20805
negative_passages.text: Comparing mixed-effects and fixed-effects models (testing significance of random effects)
negative_passages.docid: 51668
negative_passages.text: Is the model wrong if a coefficient changes from minus in correlation table to plus in OLS?