surrogateCrawlModel: Crawl Movement Model

Description Usage Arguments Details Value

View source: R/availability.R

Description

Generate Transition and Covariance Matrices for a simple Crawl Model

Usage

1

Arguments

fit

a fitted crawl object

dt

the fixed time increment

Details

Generates the transition and covariance matrices of the state space model for time increment dt, corresponding to a fitted crawl model with no drift and no covariates.

Currently no polar adjustment is made.

The matrices are generated assuming the state variables are stored as a vector in the order longitude mu and nu then latitude mu and nu. The parametrization is defined as in the crawl source not the paper, which differs by a factor of β^{2} in the definition of σ^{2}.

Value

A list containing

A

the transition matrix

Q

the covariance matrix

dt

the time increment


AustralianAntarcticDataCentre/availability documentation built on Nov. 28, 2018, 3:46 a.m.