confusion

0th

Percentile

Confusion Matrices

Compute the confusion matrix between two factors, or for an fda or mda object.

Keywords
category
Usage
"confusion"(object, true, ...) "confusion"(object, data, ...)
Arguments
object
the predicted factor, or an fda or mda model object.
true
the true factor.
data
a data frame (list) containing the test data.
...
further arguments to be passed to or from methods.
Details

This is a generic function.

Value

For the default method essentially table(object, true), but with some useful attribute(s).

See Also

fda, predict.fda

Aliases
  • confusion
  • confusion.default
  • confusion.list
  • confusion.fda
Examples
data(iris)
irisfit <- fda(Species ~ ., data = iris)
confusion(predict(irisfit, iris), iris$Species)
##            Setosa Versicolor Virginica 
##     Setosa     50          0         0
## Versicolor      0         48         1
##  Virginica      0          2        49
## attr(, "error"):
## [1] 0.02
Documentation reproduced from package mda, version 0.4-8, License: GPL-2

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