nffGroupedData-class {lme4} | R Documentation

## Class "nffGroupedData"

### Description

A `groupedData` object is at least a data.frame and a display formula that provides a grouping structure. In the `nfGroupedData` class there is only one level of grouping factors and the response in the display formula is numeric. The `nffGroupedData` class is a further refinement that specifies that the primary covariate is a factor. At present we are using old-style classes for `groupedData` and the classes that extend it.

### Objects from the Class

A virtual Class: No objects may be created from it.

### Extends

Class `"nfGroupedData"`, directly. Class `"groupedData"`, by class "nfGroupedData". Class `"data.frame"`, by class "nfGroupedData". Class `"oldClass"`, by class "nfGroupedData".

### Methods

No methods defined with class "nfnGroupedData" in the signature.

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