computefeatures {LKT}

computefeatures

Description

Compute feature describing prior practice effect.

Usage

computefeatures(data, feat, par1, par2, index, index2, par3, par4, par5, fcomp)

Arguments

data

copy of main data frame.

feat

is the feature to be computed.

par1

nonlinear parameters used for nonlinear features.

par2

nonlinear parameters used for nonlinear features.

index

a student by component levels index

index2

a component levels index

par3

nonlinear parameters used for nonlinear features.

par4

nonlinear parameters used for nonlinear features.

par5

nonlinear parameters used for nonlinear features.

fcomp

the component name.

Value

a vector suitable for regression input.