Description Usage Arguments Value Author(s) References See Also Examples
The function build.target() is a wrapper function to build the various types of covariance targets (D,F,G,Gpos,Gstar,cor).
1 2 |
build.target(x, genegroups = NULL, type)
|
x |
An n x p matrix. |
genegroups |
List of the groups each gene belongs to: each entry of the list is dedicated to a
gene (identified the same way as in |
type |
Character string specifying the wished target: "D" for a diagonal target, "cor" for a correlation target, "G", "Gpos" and "Gstar" for a G-type target (see Jelizarow et al, 2010) and "F" for a F-target. |
A p x p target covariance matrix of a certain type.
Vincent Guillemot
M. Jelizarow, V. Guillemot, A. Tenenhaus, K. Strimmer, A.-L. Boulesteix, 2010. Over-optimism in bioinformatics: an illustration. Bioinformatics. Accepted.
targetCor
, targetD
, targetF
,
targetG
, targetGpos
, targetGstar
,.
1 2 3 4 | # Simulate dataset
x <- matrix(rnorm(20*30),20,30)
# Try different targets
build.target(x,type="D")
|
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