flevels: Get factor levels as a factor

In 42n4/dmr.util: A package with utility functions used in the book Cichosz, P. (2015): Data Mining Algorithms: Explained Using R

Description

This function gets the set of factor levels in the form of a factor rather than a character vector. It is used in examples presented in the book Cichosz, P. (2015): Data Mining Algorithms: Explained Using R. See Appendix B or http://www.wiley.com/go/data_mining_algorithms for more details.

Usage

flevels(v)

Arguments

v

a factor

Details

The set of levels of v is converted to a factor with the very same set of levels.

Value

factor(levels(v), levels = levels(v))

Author(s)

Pawel Cichosz <[e-mail]>

Examples

data(weather, package="dmr.data")

flevels(weather$outlook)
flevels(weather$outlook)[as.integer(weather$outlook)]==weather$outlook

42n4/dmr.util documentation built on May 20, 2019, 2:02 p.m.