LASSOLKTData {LKT}

LASSOLKTData

Description

Forward and backwards stepwise search for a set of features and components

with tracking of nonlinear parameters.

Usage

LASSOLKTData(
  data,
  gridpars,
  allcomponents,
  allfeatures,
  preset = NA,
  presetint = T,
  specialcomponents = c(),
  specialfeatures = c(),
  specialpars = c(),
  removefeat = c(),
  removecomp = c()
)

Arguments

data

is a dataset with Anon.Student.Id and CF..ansbin.

gridpars

a vector of parameters to create each feature at

allcomponents

is search space for LKT components

allfeatures

is search space for LKT features

preset

One of "static","AFM","PFA","advanced","AFMLLTM","PFALLTM","advancedLLTM"

presetint

should the intercepts be included for preset components

specialcomponents

add special components (not crossed with features, only paired with special features 1 for 1)

specialfeatures

features for each special component (not crossed during search)

specialpars

parameters for the special features (if needed)

removefeat

Character Vector | Excludes specified features from the test list.

removecomp

Character Vector | Excludes specified components from the test list.

Value

data which is the same frame with the added spacing relevant columns.

list of values "tracetable" and "currentfit"