rrcov: QdaClassic – R documentation

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rrcov

QdaClassic

Quadratic Discriminant Analysis

Description

Performs quadratic discriminant analysis and returns the results as an object of class QdaClassic (aka constructor).

Usage

QdaClassic(x, ...)


## Default S3 method:
QdaClassic(x, grouping, prior = proportions, tol = 1.0e-4, ...)

Arguments

`x`	a matrix or data frame containing the explanatory variables (training set).
`grouping`	grouping variable: a factor specifying the class for each observation.
`prior`	prior probabilities, default to the class proportions for the training set.
`tol`	tolerance
`...`	arguments passed to or from other methods.

Value

Returns an S4 object of class QdaClassic

Author(s)

Valentin Todorov valentin.todorov@chello.at

References

Todorov V & Filzmoser P (2009), An Object Oriented Framework for Robust Multivariate Analysis. Journal of Statistical Software, 32(3), 1–47. URL http://www.jstatsoft.org/v32/i03/.