IrtEstimation

```
public interface IrtEstimation
```
Interface for IRT estimation. It does not provide an interface to the estimation itself. Rather, it provides access to the parts of or output from the estimation routine.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`ItemResponseModel`	`getItemResponseModelAt(int index)`
`int`	`getNumberOfItems()`
`int`	`getNumberOfPeople()`
`double`	`getResidualAt(int i, int j)`

ItemResponseModel getItemResponseModelAt(int index)

double getResidualAt(int i,
                     int j)

Interface IrtEstimation