summary.som.cluster: Summary Method for som.cluster object.

Description Usage Arguments Value Author(s) See Also Examples

Description

Returns a summary list for a som.cluster object.

Usage

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Arguments

object

a som object

Value

object of class {summary.som.cluster} : a list with several components:

data

subset of the model.matrix of the model that belong to the class

weights

prototype of the class

class.number

integer representing the number id of the class

withinss

mean of within sum of squares in the class

ss

within sum of squares for each data row in the class

outliers

identified outliers (boxplot method on the ss values)

stdevss

Standart deviation of the sum of squares)

Author(s)

David Gohel

See Also

~~objects to See Also as help, ~~~

Examples

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library(MASS)
lcrabs <- log(crabs[, 4:8])

lcrabs.som <- som ( formula = ~ . , data = lcrabs
	, neighborhood = "uniform"
	, grid = grid ( xdim = 10 , ydim = 10 , type = "hexagonal" ) 
	, weights.min = min (lcrabs), weights.max = max (lcrabs)
	)
lcrabs.som <- learn( lcrabs.som , number.iter = 500 , max.alpha = 0.5, min.alpha = .001, max.rayon = 3 , step.eval.si = 50)

summary ( get.cluster( lcrabs.som , 6 ) )

harrysouthworth/kohonen documentation built on May 17, 2019, 3:03 p.m.