itemInfoAtTheta function

itemInfoAtTheta

Calculates item information at a value of theta given a set of item parameters for one item.

itemInfoAtTheta(myItem, theta)

Arguments

• myItem: A matrix of item parameters of the structure used in simplef
• theta: A number.

Examples

anItem <-  matrix(c(0,0,0,1,1,1,0,1), nrow = 2, byrow = TRUE)
itemInfoAtTheta(anItem, 0)