infoWI {conquestr} | 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))
[Package conquestr version 1.3.4 Index]