harborSeal
(Package: MARSS) :
Harbor Seal Population Count Data (Log counts)
Data sets used in MARSS vignettes in the MARSS-package. These are data sets based on LOGGED count data from Oregon, Washington and California sites where harbor seals were censused while hauled out on land. "harborSeallnomiss" is an extrapolated data set where missing values in the original dataset have been extrapolated so that the data set can be used to demonstrate fitting population models with different underlying structures.
isleRoyal
(Package: MARSS) :
Isle Royale Wolf and Moose Data
Example data set for estimation of species interaction strenths. These are data on the number of wolves and moose on Isle Royal, Michigan. The data are unlogged. The covariate data are the average Jan-Feb, average Apr-May and averager July-Sept temperature (F) and precipitation (inches). Also included are 3-year running means of these covariates. The choice of covariates is based on those presented in the Isle Royale 2012 annual report.
Example data sets for use in case studies in the MARSS-package user guide. Some are logged and some unlogged population counts. See the details below on each dataset.
Example data set for use in MARSS vignettes for the DLM chapter in the MARSS-package User Guide. This is a 42-year time-series of the logit of juvenile salmon survival along with an index of April coastal upwelling. See the source for details.
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