iif: Item information function
In UO-BRT/exirt: Analyze data from the Oregon Extended Assessment
iif R Documentation
Item information function
Description
Returns the individual information for a given item along the vector of
theta values supplied. These are summed to provide the test information
function.
Usage
iif(b, theta)
Arguments
b
The item difficulty estimate
theta
The person ability estimate. This is the theta estimate
from get_person_estimates() (not the RIT score).
UO-BRT/exirt documentation built on Jan. 29, 2023, 8:51 a.m.
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| iif | R Documentation |
Item information function
Description
Returns the individual information for a given item along the vector of theta values supplied. These are summed to provide the test information function.
Usage
iif(b, theta)
Arguments
b |
The item difficulty estimate |
theta |
The person ability estimate. This is the |
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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