Comprehensive Summaries |
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Visual check of model assumptions |
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Compare performance of different models |
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Model Performance |
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Performance of Regression Models |
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Performance of Mixed Models |
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Performance of Bayesian Models |
Performance of lavaan SEM / CFA Models |
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Performance of Meta-Analysis Models |
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Performance of instrumental variable regression models |
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Common Indices |
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Intraclass Correlation Coefficient (ICC) |
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LOO-related Indices for Bayesian regressions. |
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Compute the model's R2 |
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Check Model Assumptions or Properties |
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Binned residuals for logistic regression |
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Check model for independence of residuals. |
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Check for multicollinearity of model terms |
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Convergence test for mixed effects models |
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Classify the distribution of a model-family using machine learning |
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Check model for (non-)constant error variance |
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Check model for homogeneity of variances |
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Check model for (non-)normality of residuals. |
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Outliers detection (check for influential observations) |
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Check overdispersion of GL(M)M's |
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Check mixed models for boundary fits |
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Check for zero-inflation in count models |
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Posterior predictive checks for frequentist models |
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Check Model Performance or Quality |
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Accuracy of predictions from model fit |
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Compute AIC and second order AIC |
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Hosmer-Lemeshow goodness-of-fit test |
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Log Loss |
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Mean Square Error of Linear Models |
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Percentage of Correct Predictions |
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Root Mean Squared Error |
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Simple ROC curve |
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Residual Standard Error for Linear Models |
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Proper Scoring Rules |
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Comparing Models |
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Test if Models are Different |
Check Items and Scales |
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Describe Properties of Item Scales |
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Cronbach's Alpha for Items or Scales |
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Difficulty of Questionnaire Items |
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Mean Inter-Item-Correlation |
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Reliability Test for Items or Scales |
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Split-Half Reliability |
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Further R2 Functions |
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Bayesian R2 |
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Cox & Snell's R2 |
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Efron's R2 |
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Kullback-Leibler R2 |
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LOO-adjusted R2 |
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McFadden's R2 |
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McKelvey & Zavoinas R2 |
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Nagelkerke's R2 |
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Nakagawa's R2 for mixed models |
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Somers' Dxy rank correlation for binary outcomes |
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Tjur's R2 - coefficient of determination (D) |
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Xu' R2 (Omega-squared) |
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R2 for models with zero-inflation |
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Table Formatting |
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Print tables in different output formats |
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Objects exported from other packages |
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Sample Data |
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Machine learning model trained to classify distributions |