1. lsasim::pisa2012_math_block
    PISA 2012 mathematics item - item block indicator matrix
    csv| xlsx| json| ndjson| rda| rds
    data.frame|109 x 12
  2. lsasim::pisa2012_math_booklet
    PISA 2012 mathematics item block - test booklet indicator matrix
    csv| xlsx| json| ndjson| rda| rds
    data.frame|13 x 10
  3. lsasim::pisa2012_math_item
    Item parameter estimates for 2012 PISA mathematics assessment
    csv| xlsx| json| ndjson| rda| rds
    data.frame|109 x 5
  4. lsasim::pisa2012_q_cormat
    Correlation matrix from the PISA 2012 background questionnaire
    csv| json| rda| rds
    matrix|19 x 19
  5. lsasim::pisa2012_q_marginal
    Marginal proportions from the PISA 2012 background questionnaire
    json| rda| rds
    list