var.Testlet: Calculate the variances of items in a Testlet
In irt: Item Response Theory and Computerized Adaptive Testing Functions
var,Testlet-method R Documentation
Calculate the variances of items in a Testlet
Description
Calculate the variances of items in a Testlet
Usage
## S4 method for signature 'Testlet'
var(x, y = NULL, na.rm = FALSE, use)
Arguments
x
An Testlet-class object containing the item
parameters of the testlet.
y
A numeric vector containing the ability parameters (i.e. theta).
na.rm
Ignored for var(Testlet, ...)
use
Ignored for var(Testlet, ...)
Value
Item variances at given theta will be returned.
Author(s)
Emre Gonulates
irt documentation built on May 29, 2024, 12:02 p.m.
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| var,Testlet-method | R Documentation |
Calculate the variances of items in a Testlet
Description
Calculate the variances of items in a Testlet
Usage
## S4 method for signature 'Testlet'
var(x, y = NULL, na.rm = FALSE, use)
Arguments
x |
An |
y |
A numeric vector containing the ability parameters (i.e. theta). |
na.rm |
Ignored for |
use |
Ignored for |
Value
Item variances at given theta will be returned.
Author(s)
Emre Gonulates
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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