The Q-Matrix Validation Methods Framework


[Up] [Top]

Documentation for package ‘Qval’ version 1.0.0

Help Pages

CDM Parameter estimation for cognitive diagnosis models (CDMs) by MMLE/EM or MMLE/BM algorithm.
fit Calculate data fit indeces
get.Mmatrix Calculate \mathbf{M} matrix
get.priority Priority of Attribute
get.PVAF Calculate PVAF
get.R2 Calculate McFadden pseudo-R^{2}
get.Rmatrix Restriction matrix
plot.Hull Hull Plot
sim.data generate response data
sim.MQ Simulate mis-specifications
sim.Q generate a random Q-matrix
validation Perform Q-matrix validation methods
Wald.test Wald.test for two q-vecotrs
zOSR Caculate over-specifcation rate (OSR)
zQRR Caculate Q-matrix recovery rate (QRR)
zTNR Calculate true negative rate (TNR)
zTPR Caculate true-positive rate (TPR)
zUSR Caculate under-specifcation rate (USR)
zVRR Caculate vector recovery ratio (VRR)