Covariance matrices for hyperSpec objects
Covariance matrices for hyperSpec objects
## S4 method for signature 'hyperSpec,missing'
cov(
x,
y = NULL,
use = "everything",
method = c("pearson", "kendall", "spearman")
)
pooled.cov(x, groups, ..., regularize = 1e-05 * max(abs(COV)))x |
hyperSpec object |
y |
not supported |
use, method |
handed to |
groups |
factor indicating the groups |
... |
ignored |
regularize |
regularization of the covariance matrix. Set
|
covariance matrix of size nwl (x) x nwl (x)
C. Beleites
image (cov (chondro)) pcov <- pooled.cov (chondro, chondro$clusters) plot (pcov$means) image (pcov$COV)
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