Dear all,
I am trying represent a matrix of discrete values. At the moment I am using
levelplot from the lattice package, but it seems to only work with numerical
values. Is there an option in levelplot that will allow me to assign a color to
a discrete value, or another package that will do the same?
To clarify, with levelplot I can represent a matrix such as:
[,1] [,2] [,3] [,4]
[1,] "1" "1" "1" "1"
[2,] "1" "5" "5" "2"
[3,] "1" "3" "3" "3"
Which when plotted will have colors assigned based on a continuous scale of
values (from 1 to 5 in this case).
What I am looking for is a way to represent a matrix of the type:
[,1] [,2] [,3] [,4]
[1,] "A" "B" "C" "D"
[2,] "A" "E" "D" "A"
[3,] "B" "C" "C" "C"
where each letter would have a specific color assigned to it.
Thank you in advance,
Filipe
--
Filipe Tavares Cadete
PhD Student - Nick Luscombe Group
EMBL - European Bioinformatics Institute
Wellcome Trust Genome Campus
Hinxton, Cambridge
CB10 1SD
UK
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