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 rrcov: Scalable Robust Estimators with High Breakdown Point
 isSingular: Check if a covariance matrix (object of class 'Cov') is...
Check if a covariance matrix (object of class 'Cov') is singular
Description
Returns TRUE if the covariance matrix contained in a Covclass
object (or derived from) is singular.
Usage
1 2  ## S4 method for signature 'Cov'
isSingular(obj)

Arguments
obj 
an object of class (derived from) 
Methods
 isSingular
signature(x = Cov)
: Check if a covariance matrix (object of classCovclass
) is singular.
See Also
Covclass
,
CovClassic
,
CovRobustclass
.
Examples
1 2 3  data(hbk)
cc < CovClassic(hbk)
isSingular(cc)

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