predict.sda {sda}

Shrinkage Discriminant Analysis 3: Prediction Step

Description

predict.sda performs class prediction.

Usage

## S3 method for class 'sda'
predict(object, Xtest, verbose=TRUE, ...)

Arguments

object

An sda fit object obtained from the function sda.

Xtest

A matrix containing the test data set. Note that the rows correspond to observations and the columns to variables.

verbose

Report shrinkage intensities (sda) and number of used features (predict.sda).

...

Additional arguments for generic predict.

Value

predict.sda predicts class probabilities for each test sample and returns a list with two components:

class

a factor with the most probable class assignment for each test sample, and

posterior

a matrix containing the respective class posterior probabilities.

Author(s)

Miiika Ahdesm\"aki and Korbinian Strimmer (https://strimmerlab.github.io).

See Also

sda, sda.ranking.

Examples

# see the examples at the "sda" help page