# Item Response Theory Implemented in R and Cpp

## Documentation for package ‘LatentREGpp’ version 0.2.2

- DESCRIPTION file.

## Help Pages

LatentREGpp-Description-package | LatentREGpp : Item Response Theory Implemented in R and Cpp
alpha_cronbach | Cronbach's alpha
alpha_curve | Cronbach-Mesbah Curve
an_parallel | Parallel Analysis
biserial_cor | Biserial Correlation
eap_gpc | Latent Trait Estimation with EAP for gerenalized parcial credit model (gpc) model
envelope_itemf | Confidence Envelops for an item
estim_gpc | Estimation gpc model
findim_hcpc | Discovering Dimension
gutt | Guttman's Lambda
itemfit | Parameter estimation of a test
itemfit_bayesian | Bayesian parameter estimation of a test
LatentREGpp-Description | LatentREGpp : Item Response Theory Implemented in R and Cpp
map_gpc | Latent Trait Estimation with MAP for gerenalized parcial credit model (gpc)
orlando_itemf | Orlando's statistic
personfit | Latent traits estimation
phi | Phi coefficient of correlation
polyserial_cor | Polyserial correlation
quadpoints | Quadrature points
simulate_dichotomous | Dichotomous data simulation
simulate_polytomous | Polytomous data simulation
x2_itemf | Statistical x2.
Yule | Yule coefficient of correlation
z3_itemf | Z3item fit statistic
z3_personf | Z3 Person fit statistic