lsasim: lsasim: A package for simulating large scale assessment data

lsasimR Documentation

lsasim: A package for simulating large scale assessment data

Description

lsasim simulates data that mimics large-scale assessments (LSAs), including background questionnaire data and cognitive item responses that adhere to a multiple-matrix sampled design

Functions to Facilitate the Simulation of Large Scale Assessment Data

Core functions

  • block_design Assignment of test items to blocks.

  • booklet_design Assignment of item blocks to test booklets.

  • booklet_sample Assignment of test booklets to test takers.

  • item_gen Generation of random correlation matrix.

  • proportion_gen Generation of random cumulative proportions.

  • questionnaire_gen Generation of ordinal and continuous variables.

  • response_gen Generation of item response data using a rotated block design.

  • cluster_gen Generation of background questionnaires from a cluster sampling scheme.

Useful ancillary functions

  • irt_gen Generate item responses from an IRT model. Used by response_gen.

  • beta_gen Calculates analytical and numeric regression coefficients for the background questionnaire responses as functions of the latent variable. Used by questionnaire_gen

Note

This package contains vignettes. If you are installing lsasim from GitHub, remember to use 'build_vignettes=TRUE' in your 'remotes::install_github()' call. Afterwards, you can browse the vignettes by issuing 'browseVignettes("lsasim")' in your R terminal.

Author(s)

Maintainer: Waldir Leoncio w.l.netto@medisin.uio.no

Authors:

Other contributors:

See Also

Useful links:


lsasim documentation built on Aug. 22, 2023, 5:09 p.m.