mkTrans: Construct functions for transforming a parameter vector to...

In stevencarlislewalker/lme4ord: Generalized Linear Mixed Models with Flexible (Co)Variance Structures

Description

These functions return a 'trans function', for transforming a parameter vector to the repeated non-zero values of a structured sparse matrix. Each trans function takes one vector argument called matPars, which are the parameters of the matrix. The environment of these transformation functions must contain a vector called init, which contains the initial values (aka, the prototype) of matPars.

Usage

mkTrans(init, trans, env = new.env(), .safe = TRUE)

mkIdentityTrans(init)

mkCholOneOffDiagTrans(init)

mkGenCholInPlaceTrans(init)

mkConstVarCholTrans(init)

mkCorMatCholTrans(init)

mkExpCholTrans(init, cholObj, symmObj, vecDist)

mkFlexDiagTrans(init, defaultOutput, devfunEnv)

mkOuterTrans(Atrans, Btrans, ABtrans)

mkListTrans(transList)

mkVarExpTrans(init, covariate, grpFac)

mkMultiVarExpTrans(init, modMat, grpFac)

mkVarPowerTrans(init, covariate, grpFac)

mkVarIdentTrans(init, covariate, grpFac)

mkVarFixedTrans(init, covariate, grpFac)

mkCholCompSymmTrans(init, matSize)

Arguments

trans	transformation function (without an environment) that takes parameter values and returns a vector containing the structural non-zero unique values of a structured sparse matrix
init	initial parameter values
env	a named list or environment containing objects required by trans
.safe	should an error be thrown if trans has an environment? if FALSE then mkTrans will delete any such environment, and you might not like this so be careful.
cholObj,symmObj	corresponding triangular cholesky and symmetric strucMatrix matrix objects
vecDist	distances as a vector
defaultOutput	default vector for diagonal elements
devfunEnv	environment of the deviance function
Atrans,Btrans	functions for transforming two structured sparse matrices, A and B say
ABtrans	function to pass as FUN in outer
transList	list of transformation functions
covariate	covariate
grpFac	a grouping factor (or anything coercible to numeric really) with the number of levels equal to the length of init
modMat	model matrix
matSize	number of rows (or columns) of the matrix

stevencarlislewalker/lme4ord documentation built on May 30, 2019, 4:43 p.m.