Introduction to nullcat
Introduction | Use cases | Categorical null models | Available algorithms | Example: Basic categorical randomization | Understanding fixed margins | Quantitative null models | Example: Basic quantitative randomization | Stratification options | Controlling what's preserved | Efficient repeated randomization | Convergence diagnostics | Weighted pair sampling | Basic usage: spatial constraints on rows | Hard thresholds as soft strata | Column weights | Dual-margin weighting | Integration with vegan | References | Further reading