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TypeTitleAuthorRepliesLast updated
Forum topicError in runHelper NLOPT unrecognized error -1 falkcarl163 years 10 months ago
Forum topicinformation matrix with IFA models falkcarl94 years 6 months ago
Forum topicScaled chi-square falkcarl27 years 9 months ago
Forum topiclower bounds on slopes of dichotomous and graded item response models falkcarl37 years 10 months ago
Forum topicOptimizers w/ numerical vs. analytical derivatives falkcarl68 years 2 weeks ago