infoWI: infoWI
In conquestr: An R Package to Extend 'ACER ConQuest'
infoWI R Documentation
infoWI
Description
Calculates an index representing the product of a test information function and an ability distribution.
Usage
infoWI(myItems, myAbilities, type = "empirical")
Arguments
myItems
A vector of item deltas.
myAbilities
A vector of person abilities.
type
A character String. Should the test information be calculated empirically
("empirical" - default) or analytically using moments of distribution ("approx").
Value
A double.
Examples
infoWIOut <- infoWI(runif (10, -2, 3), rnorm(1000, 0, 1))
conquestr documentation built on June 8, 2025, 11:02 a.m.
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| infoWI | R Documentation |
infoWI
Description
Calculates an index representing the product of a test information function and an ability distribution.
Usage
infoWI(myItems, myAbilities, type = "empirical")
Arguments
myItems |
A vector of item deltas. |
myAbilities |
A vector of person abilities. |
type |
A character String. Should the test information be calculated empirically ("empirical" - default) or analytically using moments of distribution ("approx"). |
Value
A double.
Examples
infoWIOut <- infoWI(runif (10, -2, 3), rnorm(1000, 0, 1))
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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