equate

Author: Anthony Albano
Contact: https://cran.r-project.org/web/packages/equate
Description: Contains methods for observed-score linking and equating under the single-group, equivalent-groups, and nonequivalent-groups with anchor test(s) designs. Equating types include identity, mean, linear, general linear, equipercentile, circle-arc, and composites of these. Equating methods include synthetic, nominal weights, Tucker, Levine observed score, Levine true score, Braun/Holland, frequency estimation, and chained equating. Plotting and summary methods, and methods for multivariate presmoothing and bootstrap error estimation are also provided.
Analyses: DIF; Equating; Item & Test Analysis; Scaling; Scoring
System Requirements: Windows, Mac OS, & Linux
Measurement Model: Classical
License Type: Open-Source (R)
Documentation: User manual in pdf