mrds: getpar – R documentation

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getpar

Extraction and assignment of parameters to vector

Description

Extracts parameters of a particular type (scale, shape, adjustments or g0 (p(0))) from the vector of parameters in ddfobj. All of the parameters are kept in a single vector for optimization even though they have very different uses. assign.par parses them from the vector based on a known structure and assigns them into ddfobj. getpar extracts the requested types to be extracted from ddfobj.

Usage

getpar(ddfobj, fitting = "all", index = FALSE)

Arguments

`ddfobj`	distance sampling object (see `create.ddfobj`)
`fitting`	character string which is either "all","key","adjust" which determines which parameters are retrieved
`index`	logical that determines whether parameters are returned (FALSE) or starting indices in parameter vector for scale, shape, adjustment parameters

Value

index==FALSE, vector of parameters that were requested or index==TRUE, vector of 3 indices for shape, scale, adjustment

Note

Internal functions not intended to be called by user.

Author(s)

Jeff Laake