A state-space age-structured assessment model that can include state-space covariate models and effects on recruitment and internal estimation of biological reference points. See the vignettes provided with the package for example applications.
References
Miller, T. J., Hare, J. A., and Alade, L. A. 2016. A state-space approach to incorporating environmental effects on recruitment in an age-structured assessment model with an application to Southern New England yellowtail flounder. Canadian Journal of Fisheries and Aquatic Sciences 73(8): 1261-1270. doi: 10.1139/cjfas-2015-0339
Miller, T. J. and Hyun, S-Y. 2018. Evaluating evidence for alternative natural mortality and process error assumptions using a state-space, age-structured assessment model. Canadian Journal of Fisheries and Aquatic Sciences 75(5): 691-703. doi: 10.1139/cjfas-2017-0035
Miller, T. J., O’Brien, L., and Fratantoni, P. S. 2018. Temporal and environmental variation in growth and maturity and effects on management reference points of Georges Bank Atlantic cod. Canadian Journal of Fisheries and Aquatic Sciences 75(12): 2159-2171. doi: 10.1139/cjfas-2017-0124