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iarm: Item Analysis in Rasch Models
Tools to assess model fit and identify misfitting items for Rasch models (RM) and partial credit models (PCM). Included are item fit statistics, item characteristic curves, item-restscore association, conditional likelihood ratio tests, assessment of measurement error, estimates of the reliability and test targeting as described in Christensen et al. (Eds.) (2013, ISBN:978-1-84821-222-0).
Getting started
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Package details |
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| Author | Marianne Mueller [aut, cre], Pedro Henrique Ribeiro Santiago [ctb] |
| Maintainer | Marianne Mueller <marianne.mueller@math.ethz.ch> |
| License | GPL-2 |
| Version | 0.4.3 |
| Package repository | View on CRAN |
| Installation |
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