alpha                   Cronbach's Coefficient Alpha
csem_binomial           CSEM and CSSEM with Binomial Model
csem_compound_binomial
                        CSEM, CSSEM, and Reliability under the Compound
                        Binomial Model
csem_info               CSEM of IRT Model via Information
csem_lord               CSEM Lord Method
csem_lord_keats         CSEM: Lord Keats Method
cssem_polynomial        Polynomial Method for CSSEM
ct.m                    Conversion table for multidimensional data.
ct.u                    Conversion table for unidimensional data.
data.m                  Multidimensional data
data.u                  Unidimensional data
feldt                   Feldt's Coefficient
info                    Information for IRT Model
ip.u                    Item parameters for unidimensional data.
kr20                    KR-20
kr21                    KR-21
lord_wingersky          Lord-Wingersky Recursive Formula
normal_quadra           Gaussian Quadrature Points and Weights
rel_info                Marginal Reliability of a Unidimensional IRT
                        Model
rel_test                Test Reliability and CSEMs for IRT Scores
spearman_brown          Spearman–Brown Prophecy Formula
stratified_alpha        Stratified Cronbach's Coefficient Alpha
stratified_feldt        Stratified Feldt's Coefficient
