R: Misclassifications by a Classification Tree

misclass.tree {tree} | R Documentation

## Misclassifications by a Classification Tree

### Description

Report the number of mis-classifications made by a classification tree, either overall or at each node.

### Usage

    misclass.tree(tree, detail = FALSE)

### Arguments

`tree` | Object of class `"tree"`, representing a classification tree.
`detail` | If false, report overall number of mis-classifications. If true, report the number at each node.

### Details

The quantities returned are weighted by the observational weights if these are supplied in the construction of `tree`.

### Value

Either the overall number of misclassifications or the number for each node.

### Author(s)

B. D. Ripley

### See Also

`tree`

### Examples

    ir.tr <- tree(Species ~., iris)
    misclass.tree(ir.tr)
    misclass.tree(ir.tr, detail=TRUE)

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