Levels number of a factor object

Fri, Jan 23, 2004 6:24 AM

Hi all!

    How to retrieve the levels number of a factor object?
    See this code:
    groups<-gl(4,10)
    I want to retrieve the number of levels (4) of my object "groups"
    I tried groups.levels but this don't work

    Thanks


Laurent Houdusse 
Analyste Programmeur

Thread (6 messages)

Laurent Houdusse Levels number of a factor object Jan 23 Marc Schwartz Levels number of a factor object Jan 23 tobias.verbeke@bivv.be Betr.: [R] Levels number of a factor object Jan 23 Spencer Graves Levels number of a factor object Jan 23 Peter Dalgaard Levels number of a factor object Jan 23 Thomas Petzoldt Levels number of a factor object Jan 23