droplevels.colored: Drop unused levels from a colored factor
In VizOR: Graphical Visualization Tools for Complex Observational Data with Focus on Health Sciences

Drop unused levels from a colored factor and its color key

1 2	## S3 method for class 'colored' droplevels(x, ...)

`x`	a colored factor
`...`	further arguments passed to methods

This subclass method extends droplevels.factor to handle updating of the special color key attribute of colored factors.

a colored factor with no unused levels

David C. Norris

VizOR documentation built on May 30, 2017, 5:29 a.m.

VizOR index

Note that we can't provide technical support on individual packages. You should contact the package authors for that.

Description