Description Usage Arguments Value Author(s) References See Also Examples
The p x p target F is computed from the n x p data matrix. It is defined as follows (i,j = 1,...,p):
tij = sii if i=j ; r√{s_{ii}s_{jj}} otherwise
where r is the average of sample correlations and sij denotes the entry of the unbiased covariance matrix in row i, column j.
1 | targetF(x, genegroups)
|
x |
A n x p data matrix. |
genegroups |
The genegroups are not used for this target. |
A p x p matrix.
Monika Jelizarow and Vincent Guillemot
J. Schaefer and K. Strimmer, 2005. A shrinkage approach to large-scale covariance matrix estimation and implications for functional genomics. Statist. Appl. Genet. Mol. Biol. 4:32.
targetCor
,
targetF
,
targetG
,
targetGstar
,
targetGpos
.
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