Description Usage Arguments Details Value References See Also Examples
Computes the log density for observations in a univariate or multivariate Gaussian mixture model with spherical or diagonal (co)variance that varies across components.
1 |
x |
A numeric vector or matrix for which the log density is to be computed. |
simData |
Observations from a call to |
shrink |
Shrinkage parameter for the mixture model variance. To be
consistent with the shrinkage as described in |
If either radius = 0
, or simData
returns only centroids
(nsim = 0
), then no density estimate is attempted.
A vector giving the log density of x
in the model as
specified by simData
, with optional shrinkage applied to the
variance.
G. Celeux and G. Govaert, Gaussian Parsimonious Mixture Models, Pattern Recognition, 1995.
G. J. McLachlan and D. Peel, Finite Mixture Models, Wiley, 2000.
C. Fraley and A. E. Raftery, Model-based clustering, discriminant analysis and density estimation, Journal of the American Statistical Association, 2002.
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