typical: Typical Samples of an Object of Class Vegsoup*

In vegsoup: Classes and Methods for Phytosociology

Description

Identifies samples (plots) that typify partitions based on dissimilarity.

Usage

## S4 method for signature 'VegsoupPartition'
typical(obj, k = 1, ...)

Arguments

obj	An object inheriting from class VegsoupPartition.
k	integer. Number of typal species/clusters to identify. Defaults to 1.
...	currently not used.

Details

Typical calculates two versions of typal species. Silhouette analysis returns k samples with the largest positive silhouette width for each partition. Partana analysis returns the k samples with the highest mean similarity to the partition. See typal in package optpart for further details.

Value

Returns a list with two components

partana	A data.frame with the partitons as rows and typical samples as columns.
silhouette	A data.frame as above.

Author(s)

A wrapper for function typal by David W. Roberts in package optpart.

See Also

as.dist

Examples

require(vegsoup)

data(barmstein)
x <- VegsoupPartition(barmstein, k = 2)

typical(x)

vegsoup documentation built on Feb. 24, 2021, 3 a.m.