Introduction | Monthly data | Comparison with UIndex | UIndex | rtrim | Stratified rtrim | Taming overdispersion | Output visualization | Plotting time-totals | Plotting indices | Indices and covariates | Combining multiple indices | Adding confidence intervals. | Long output | "Scaled" standard errors | Plotting heatmaps. | Heatmaps for monthly datasets | References

Introduction | Initial model estimation | Covariates | Model simplification | Indices and time-totals | Multiple covariates | Weighting

Introduction | Example: normal distribution | TRIM without overdispersion: Poisson distribution | Poisson-Gamma equivalence | Multipliers | Taking overdispersion into account | Confidence intervals for indices

Introduction | Computing TRIM models | Model specification | TRIM Command Files | TRIM data files | Utility functions

Introduction | Overdispersion for clustered observations: the problem | Approach #1: average first, square later. | Approach #2: remove outliers (nonparametric) | Approach #3: remove outliers (parametric) | Application