How to solve "no data" error in jMetrik Polytomous Rasch Model?

Eziacka Mathew Mpelangwa @Eziacka-Mpelangwa

03 June 2022 1 9K Report

I have data which have to be analyzed by jMetrik, however I experience an error

"org.apache.commons.math3.exception.NoDataException: no data" when I run Rasch Model. Data contain polytomous items.

I kindly ask how to solve it.

Thank you

David Morse

Hello Eziacka,

The message indicates that one of the internal, open-source libraries used by the author is throwing an error flag. You might find some assistance by checking the text written by the program's author, J. Patrick Meyer (link below). Be sure that you can get the program to run correctly with sample data sets first.

https://www.amazon.com/Applied-Measurement-jMetrik-Patrick-Meyer-ebook/dp/B00KYR2G4C/ref=sr_1_1?crid=25VY70GZHKENN&keywords=jmetrik&qid=1654658935&s=books&sprefix=jmetrik%2Cstripbooks%2C73&sr=1-1

Alternatively, Meyer's web page has this address: https://itemanalysis.com/

Good luck with your work.

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