R: Combine factor levels

Levels {asreml} | R Documentation

## Combine factor levels

### Description

Function that forms a new model term from an existing factor by merging a subset of its levels. See the `combine` argument to `asreml`.

### Usage

    Levels(f, x)

### Arguments

`f` | A factor in the data.
`x` | A vector of length `length(levels(f))` defining the levels of `f` to merge.

[Package asreml version 4.2.0.480 Index]