Calculate Cumulants Lognormal Response Time Distribution

These functions have been deprecated. See getMean3PLN or getVar3PLN instead.

Usage

calculateExpectedRT(lambda, phi, zeta, sdEpsi)

calculateExpectedRTvar(lambda, phi, zeta, sdEpsi)

Arguments

lambda

Vector of time intensity parameters.

phi

[optional] Vector of speed sensitivity parameters.

zeta

Vector of person speed parameters.

sdEpsi

Vector of item specific residual variances.

Functions

• calculateExpectedRT(): Calculate mean 3PLN

• calculateExpectedRTvar(): Calculate mean 2PLN