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| Type | Title | Author | Replies | Last updated |
|---|---|---|---|---|
| Forum topic | Error in runHelper NLOPT unrecognized error -1 | falkcarl | 16 | 3 years 10 months ago |
| Forum topic | information matrix with IFA models | falkcarl | 9 | 4 years 6 months ago |
| Forum topic | Scaled chi-square | falkcarl | 2 | 7 years 9 months ago |
| Forum topic | lower bounds on slopes of dichotomous and graded item response models | falkcarl | 3 | 7 years 10 months ago |
| Forum topic | Optimizers w/ numerical vs. analytical derivatives | falkcarl | 6 | 8 years 2 weeks ago |