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MAINT.Data (version 1.0.1)

IdtMxNDE-class: Class "IdtMxNDE"

Description

"IdtMxNDE" contains the results of a mixture Normal model maximum likelihood parameter estimation, with the four different possible variance-covariance configurations. "IdtMxtNDE" is an union of classes "IdtMxNDE" and "IdtMxNDRE", the later one containing the results of mixture Normal model parameter estimation by robust methods.

Arguments

Slots

Hmcdt:

Indicates whether we consider an homocedastic (TRUE) or a hetereocedasic model (FALSE)

mleNmuE:

Matrix with the maximum likelihood mean vectors estimates by group (each row refers to a group)

mleNmuEse:

Matrix with the maximum likelihood means' standard errors by group (each row refers to a group)

CovConfCases:

List of the considered configurations

grouping:

Inherited from class "IdtMxE". Factor indicating the group to which each observation belongs to

ModelNames:

Inherited from class "IdtE". The model acronym formed by a "N", indicating a Normal model, followed by the configuration (Case 1 through Case 4)

ModelType:

Inherited from class "IdtE". Indicates the model; always set to "Normal" in objects of the IdtMxNDE class

ModelConfig:

Inherited from class "IdtE". Configuration case of the variance-covariance matrix: Case 1 through Case 4

NIVar:

Inherited from class "IdtE". Number of interval variables

SelCrit:

Inherited from class "IdtE". The model selection criterion; currently, AIC and BIC are implemented

logLiks:

Inherited from class "IdtE". The logarithms of the likelihood function for the different cases

AICs:

Inherited from class "IdtE". Value of the AIC criterion

BICs:

Inherited from class "IdtE". Value of the BIC criterion

BestModel:

Inherited from class "IdtE". Indicates the best model according to the chosen selection criterion

SngD:

Inherited from class "IdtE". Boolean flag indicating whether a single or a mixture of distribution were estimated. Always set to FALSE in objects of class "IdtMxNDE"

Ngrps:

Inherited from class "IdtMxE". Number of mixture components

Extends

Class "", directly. Class "", directly. Class "", by class "IdtMxE", distance 2.

Methods

lda

signature(x = "IdtMxtNDE"): Linear Discriminant Analysis using the estimated model parameters.

qda

signature(x = "IdtMxtNDE"): Quadratic Discriminant Analysis using the estimated model parameters.

References

Brito, P., Duarte Silva, A. P. (2012), Modelling Interval Data with Normal and Skew-Normal Distributions. Journal of Applied Statistics 39(1), 3--20.

See Also

MANOVA, ,