simulateRespondents() bug fix when respondent’s answer in raw data is NA, now transform to -1 to indicate a skip
added dataset of Need to Evaluate raw response profiles
readQualtrics() now has respondent ID as rownames instead of a column.
Added example data for the readQualtrics() function.
New functions simulateRespondents(), simulateThetas(), simulateFisherInfo(), and oracle() allow for simulation exercises to evaluate model quality and performace.
New function plot.Cat() allows for visual representation of item parameters.
New functions fromJSONCat(), toJSONCat(), and readQualtrics() aid the user in creating an adaptive battery in Qualtrics using catSurv.
The slot ids was added to the Cat object representing each question item’s unique identifier.
selectItem() returns a third item, next_item_name which represents the unique identifier of the item that should be asked next.
lookAhead() now returns the next best item given the question is skipped.
estimateThetas() and simulateThetas() allow for estimation of ability parameter for dataframe of response sets.checkStopRules().selectItem().ltmCat(), tpmCat(), grmCat(), and gpcmCat() by adding the ltm package to Imports.stats and methods imports as it caused errors in testing with r-oldrel.