Package index

Real data sets

ecpe_data ecpe_qmatrix

Examination for the certificate of proficiency in English (ECPE)

fraction_data fraction_qmatrix

Tatsuoka fraction subtraction data

mdm_data mdm_qmatrix

MacReady & Dayton multiplication data (MDM)

mcmi_data mcmi_qmatrix

Millon Clinical Multiaxial Inventory-III (MCMI-III)

pie_ft_data pie_ft_qmatrix pie_pilot_data pie_pilot_qmatrix

Pathways for instructionally embedded assessment (PIE)

roarpa_data roarpa_qmatrix

Rapid online assessment of reading and phonological awareness (ROAR-PA)

timss03_data timss03_qmatrix

Trends in international mathematics and science study (TIMSS) assessment for grade 8 mathematics (2003)

timss07_data timss07_skill_qmatrix timss07_topic_qmatrix timss07_domain_qmatrix

Trends in international mathematics and science study (TIMSS) assessment for grade 4 mathematics (2007)

Simulated data sets

dtmr_data dtmr_qmatrix dtmr_true_structural dtmr_true_profiles dtmr_true_items

Diagnosing teachers' multiplicative reasoning (DTMR)

Tools for simulating data

generate_ids()

Generate unique identifiers

logit() inv_logit()

Log-odds transformation