2020

Round about SVD 2020/06/09

The information game 2020/05/27

Calculating the score distribution given ability 2020/05/15

Local (in)dependence and polytomization 2020/03/06

My (more or less coherent) views on model fit 2020/01/15

Happy New Year! 2020/01/01

2019

fyi 2019/11/23

dexter is 1 — again! 2019/08/26

120-100-100! 2019/06/27

My perennial Slide 1 2019/05/15

Temporary issues with predicates, and how to resolve 2019/05/14

Aspects of the aspect ratio 2019/05/12

Visualising Differential Item Pair Functioning: The Lazy Cook Way 2019/05/11

dexter 0.8.5 on CRAN 2019/04/26

Simulating data from the interaction model 2019/04/19

dexter 0.8.4 is out 2019/01/03

Happy 2019! 2019/01/01

2018

Test and item information functions in dexter 2018/11/05

dexter 0.8.3 on CRAN 2018/11/03

Random variation and power in profile plots 2018/10/15

The scoring game 2018/09/24

100! 2018/09/22

dexter meets PISA - The market basket approach 2018/09/11

dexter meets PISA - The basic skills 2018/08/21

dexter 0.8.1 submitted 2018/08/21

Distractor plots in dexter 2018/08/07

dexterMST: dexter for Multi-Stage Tests 2018/07/13

dexter 0.8.0 released 2018/06/11

Comparing parameter estimates from dexter 2018/06/11

New package -- meet dextergui! 2018/06/02

Equating a pass-fail score with dexter 2018/05/25

dexter 0.7.0 submitted 2018/05/17

Repair work on dexter 2018/05/14

Item-total regressions in dexter 2018/02/25

dexter is 1! 2018/02/09

2017

dexter in December 2017/12/21

Hello! 2017/12/13