convert_model {irt} | R Documentation |
Convert model parameters from one model to another
Description
This is especially handy for converting IRT models with less parameters (such as 1 parameter logistic model) to higher dimensional models such as three parameter logistic model.
Usage
convert_model(ip, target_model = "3PL")
## S4 method for signature 'Item'
convert_model(ip, target_model = "3PL")
## S4 method for signature 'Itempool'
convert_model(ip, target_model = "3PL")
## S4 method for signature 'Testlet'
convert_model(ip, target_model = "3PL")
Arguments
ip |
An |
target_model |
The target model that the conversion will be made. |
Value
An 'Item' object with new model parameters will be returned.
Author(s)
Emre Gonulates
[Package irt version 0.2.9 Index]