| clean_units | Padroniza/unifica unidades (esqueleto) |
| conama_check | Conformity check (default Class = "2") - detailed |
| conama_limits | Limits for Brazilian CONAMA 357/2005 |
| conama_report | Conformity report (table) |
| conama_summary | Conformity summary (long format) |
| conama_text | Text summary of conformity (bulleted, formatted) |
| generate_analysis | Analytical paragraphs generation (rule-based, no AI) |
| iet_carlson | Trophic State Index (Carlson) - basic |
| iet_lamparelli | Trophic State Index - Lamparelli (skeleton v0.2.1) |
| iqa | Water Quality Index (WQI / IQA) |
| nsfwqi | NSF Water Quality Index (prototype v0.2.1) |
| plot_box | Boxplots by site/parameter |
| plot_heatmap | Heatmap of parameters vs. sites |
| plot_iqa | Plot IQA by site/date |
| plot_series | Time series by parameter |
| read_wq | Leitura padrao de dados de qualidade da agua |
| render_report | Render a report (R Markdown / Quarto) from the internal template |
| resume_wq | Descriptive summaries by group |
| validate_wq | Valida presenca de colunas minimas |
| wq_demo | Demo water quality dataset |