R: Class unions in 'distr'

InternalClassUnions {distr} | R Documentation

## Class unions in 'distr'

### Description

Class unions in package distr defined for internal purposes; these are `OptionalNumeric`,

### Details

These classes are used internally to make available methods or to allow slots of classes to be filled with varying types. In particular

- `"OptionalNumeric"`: may contain objects of class `"numeric"` or `"NULL"`; it is used e.g. for slot `nuisance` of class `"ParamFamParameter"`, as it may or may not be present but if so it has to be numeric.

### Objects from the Class

All of these classes are virtual: No objects may be created from them.

### Author(s)

Peter Ruckdeschel peter.ruckdeschel@uni-oldenburg.de

### See Also

`numeric-class`,

[Package distr version 2.8.0 Index]