interactiveGeneralizedUmatrixIsland: GUI for cutting out an Island.

In Mthrun/ProjectionBasedClustering: Projection Based Clustering

GUI for cutting out an Island.

Description

The toroid Umatrix is usually drawn 4 times, so that connected areas on borders can be seen as a whole. An island is a manual cutout of such a tiled visualization, that is selected such that all connected areas stay intact. This shiny tool allows the user to do this manually.

Usage

interactiveGeneralizedUmatrixIsland(Umatrix, Bestmatches=NULL, Cls=NULL)

Arguments

Umatrix	[1:Lines,1:Columns] Matrix of Umatrix Heights
Bestmatches	[1:n, 1:2] Matrix with positions of Bestmatches for n datapoints, first columns is the position in Lines and second column in Columns
Cls	Classification of the Bestmatches

Details

Clicking on "Quit" returns the Imx matrix to the workspace. Details can bee read in [Thrun et al, 2016, Thrun/Ultsch, 2017].

Value

Boolean Matrix that represents the island within the tiled Umatrix.

Note

This function is a depricated version of a function from the Umatrix packages created by Florian Lerch and Michael Thrun

Author(s)

Michael Thrun

References

[Thrun, et al.,2016] 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.

[Thrun/Ultsch, 2017] Thrun, M.C., Ultsch, A.: Projection based Clustering, Conf. Int. Federation of Classification Societies (IFCS),<DOI:10.13140/RG.2.2.13124.53124>, Tokyo, 2017.

Examples

data("Hepta")
Data=Hepta$Data
Cls=Hepta$Cls
InputDistances=as.matrix(dist(Data))
res=cmdscale(d=InputDistances, k = 2, eig = TRUE, add = FALSE, x.ret = FALSE)
ProjectedPoints=as.matrix(res$points)
#see also ProjectionBasedClustering package for other common projection methods

library(GeneralizedUmatrix)
resUmatrix=GeneralizedUmatrix(Data,ProjectedPoints)
TopviewTopographicMap(resUmatrix$Umatrix,resUmatrix$Bestmatches,Cls)
#or in 3D if rgl package exists
#plotTopographicMap(resUmatrix$Umatrix,resUmatrix$Bestmatches,Cls)

##Interactive Island Generation 
## from a tiled Umatrix (toroidal assumption)

## Not run: 
	Imx = interactiveGeneralizedUmatrixIsland(resUmatrix$Umatrix,

	resUmatrix$Bestmatches)
	plotTopographicMap(resUmatrix$Umatrix,

	resUmatrix$Bestmatches, Imx = Imx)

## End(Not run)

Mthrun/ProjectionBasedClustering documentation built on June 12, 2022, 1:12 p.m.