umatrixForEsom: umatrixForEsom

In Umatrix: Visualization of Structures in High-Dimensional Data

umatrixForEsom

Description

Calculate the Umatrix for given ESOM projection

Arguments

Weights	Weights from which the Umatrix will be calculated
Lines	Number of lines of the SOM that is described by weights
Columns	Number of columns of the SOM that is described by weights
Toroid	Boolean describing if the neural grid should be borderless

Value

Umatrix

References

Ultsch, A. and H.P. Siemon, Kohonen's Self Organizing Feature Maps for Exploratory Data Analysis. 1990.

Examples

data("Hepta")
e = esomTrain(Hepta$Data, Key = 1:nrow(Hepta$Data))
umatrix = umatrixForEsom(e$Weights,
                         Lines=e$Lines,
                         Columns=e$Columns,
                         Toroid=e$Toroid)
plotMatrix(umatrix,e$BestMatches)

Umatrix documentation built on Sept. 11, 2024, 8:09 p.m.