Data and code for: A matched denominator framework links Florida harmful algal bloom impact reports with Karenia brevis monitoring

This record contains the v0.5 data and code review archive supporting the manuscript "A matched denominator framework links Florida harmful algal bloom impact reports with Karenia brevis monitoring". The archive includes processed full-frame event-referent analysis outputs for the 2011-2018 Florida FWC-centered HAB-screened source frame, scripts used to generate the included full-frame outputs, robustness and descriptor-stratified analysis summaries, figure-data summary tables, the current supplementary workbook, the current supplementary information document, final figure files, and internal archive manifests.The archive supports a denominator-matched event-referent analysis of official HAB/red tide impact-report windows and their concordance with a separately sourced Karenia brevis monitoring product. It is not a causal mortality-risk archive or a general all-HAB mortality-risk dataset.Raw third-party source data are not redistributed. Users should obtain original FWC, HAEDAT/HAIS, NOAA OISST, and NOAA Karenia brevis monitoring products from the original providers under the applicable access and redistribution terms.