as.hclust: Convert Objects to Class hclust

Description Usage Arguments Details Value See Also Examples

Description

Converts objects from other hierarchical clustering functions to class "hclust".

Usage

1

Arguments

x

Hierarchical clustering object

...

further arguments passed to or from other methods.

Details

Currently there is only support for converting objects of class "twins" as produced by the functions diana and agnes from the package cluster. The default method throws an error unless passed an "hclust" object.

Value

An object of class "hclust".

See Also

hclust, and from package cluster, diana and agnes

Examples

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x <- matrix(rnorm(30), ncol = 3)
hc <- hclust(dist(x), method = "complete")

if(require("cluster", quietly = TRUE)) {# is a recommended package
  ag <- agnes(x, method = "complete")
  hcag <- as.hclust(ag)
  ## The dendrograms order slightly differently:
  op <- par(mfrow = c(1,2))
  plot(hc) ;  mtext("hclust", side = 1)
  plot(hcag); mtext("agnes",  side = 1)
  detach("package:cluster")
}

Questions? Problems? Suggestions? or email at ian@mutexlabs.com.

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