@geekie/irt
Advanced tools
@geekie/irt
IRT tools in JavaScript
This library contains JavaScript implementations of functions related to Item Response Theory logistic models.
itemResponseFunction(zeta: Zeta, theta: number)Calculates the probability that a person with the given ability level theta will answer correctly an item.
zeta is an object with the 3 parameters: {a, b, c}
information(zeta: Zeta, theta: number) | information(zetaArray: Array<Zeta>, theta: number)Calculates how much information an item (or an array of items) contributes for a given ability level theta.
estimateAbilityEAP(answers: Array<0 | 1>, zetaArray: Array<Zeta>)Estimate a person's ability using the EAP method (reference).
answers is an array of 0 or 1 representing if the answer given is correct, related to the items of zetaArray. 1 means the answers is correct.
Example: answers[0] represents if the person answered the item related to zetaArray[0].
FAQs
IRT tools in JavaScript
The npm package @geekie/irt receives a total of 4 weekly downloads. As such, @geekie/irt popularity was classified as not popular.
We found that @geekie/irt demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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