Package index • PP

Estimation

Person parameters for known item parameters.

PP_4pl(): Estimate Person Parameters for the 4-PL model
PP_gpcm(): Estimate Person Parameters for the GPCM
PPall(): Estimate Person Parameters
findmodel(): The model of each item in a mixed test
print(<ppeo>) summary(<ppeo>) coef(<ppeo>) as.data.frame(<ppeo>): Methods for estimation results

Person assessment and person fit

PPass() print(<ppass>) summary(<ppass>) as.data.frame(<ppass>): Person assessment: estimates and person fit in one step
Pfit() print(<PPfit>) summary(<PPfit>): Person-Fit statistics
plot(<ppass>) plot(<ppeo>): Plots of person estimates and person fit

Jackknife and plausible values

JKpp() print(<jk>) summary(<jk>): Run a jackknife
print(<pv>) summary(<pv>) PV(): Draw Plausible values

Simulation

sim_4pl(): Simulate data for 1/2/3/4-pl model
sim_gpcm(): Simulate data for the gpcm model
sim_mixed(): Simulate data for mixed tests (4PL and GPCM items)

Data

fourpl_df: Simulated data set
pp_amt: Adaptive Matrices Test data

Package

PP PP-package: PP: Person Parameter Estimation