This file documents the **real data subset** `wq_demo` stored in `data/wq_demo.rda`.

- 20 rows, 14 columns (rio, ponto, data, ph, od, turbidez, dbo, coliformes, p_total, nt_total, temperatura, tds, lat, lon)
- Subset extracted from dataset-real.csv (BURANHEM river, 4 monitoring points: FBS-BRH-250, FBS-BRH-300, FBS-BRH-450, FBS-BRH-950, years 2020–2024)
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- Used for reproducible examples and vignettes.
