The official AMSY method for data-limited stock assessment based on abundance data only. Described in Rainer Froese, Henning Winker, Gianpaolo Coro, Nazli Demirel, Athanassios C Tsikliras, Donna Dimarchopoulou, Giuseppe Scarcella, Maria Lourdes Deng Palomares, Manuel Dureuil, Daniel Pauly, Estimating stock status from relative abundance and resilience, ICES Journal of Marine Science, , fsz230, https://doi.org/10.1093/icesjms/fsz230
Stock data example files to use: EU_Stocks_ID_8.csv (stock-ID dataset), EU_Stocks_CPUE_1.csv (all CPUE time series dataset)