pmatrixForEsom: pmatrixForEsom

In Umatrix: Visualization of Structures in High-Dimensional Data

pmatrixForEsom

Description

Generates a Pmatrix based on the weights of an ESOM.

Arguments

Data	A [n,k] matrix containing the data
Weights	Weights stored as a list in a 2D matrix
Lines	Number of lines of the SOM that is described by weights
Columns	Number of columns of the SOM that is described by weights
Radius	The radius for measuring the density within the hypersphere
PlotIt	If set the Pmatrix will also be plotted
Toroid	Are BestMatches placed on a toroid grid? TRUE by default

Value

UstarMatrix

References

Ultsch, A.: Maps for the visualization of high-dimensional data spaces, Proc. Workshop on Self organizing Maps (WSOM), pp. 225-230, Kyushu, Japan, 2003.

Ultsch, A., Loetsch, J.: Computed ABC Analysis for Rational Selection of Most Informative Variables in Multivariate Data, PloS one, Vol. 10(6), pp. e0129767. doi 10.1371/journal.pone.0129767, 2015.

Thrun, M. C., Lerch, F., Loetsch, J., Ultsch, A.: Visualization and 3D Printing of Multivariate Data of Biomarkers, in Skala, V. (Ed.), International Conference in Central Europe on Computer Graphics, Visualization and Computer Vision,Plzen, 2016.

Examples

data("Hepta")
e = esomTrain(Hepta$Data, Key = 1:nrow(Hepta$Data))
Pmatrix = pmatrixForEsom(Hepta$Data,
                         e$Weights,
                         e$Lines,
                         e$Columns,
                         e$Toroid)
plotMatrix(Pmatrix, ColorStyle = "Pmatrix")

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