ClassMat: a Matrix of Small Multiples to Analyze the Topology of Multiclass Multidimensional Data

Michael Aupetit*, Ahmed Ali, Abdelkader Baggag, Halima Bensmail

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Citations (Scopus)

Abstract

Data scientists often deal with multiclass multidimensional data. There is a need to support the exploration of such data with topological methods. We propose a new visualization metaphor for multiclass data and illustrate it with two complementary analytic approaches. We design ClassMat, a visualization matrix similar in spirit to the scatterplot matrix (SPLOM or pairs plot) but focused on pairs of classes rather than pairs of dimensions. We show how this visualization matrix can be used in two main multidimensional data visualization pipelines: visualization-then-topological-analysis and topological-analysis-then-visualization. In particular, we show it can support the analyst in detecting interferences between topological features of different classes.

Original languageEnglish
Title of host publicationProceedings - 2022 IEEE Workshop on Topological Data Analysis and Visualization, TopoInVis 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages70-80
Number of pages11
ISBN (Electronic)9781665493543
DOIs
Publication statusPublished - 2022
Event2022 IEEE Workshop on Topological Data Analysis and Visualization, TopoInVis 2022 - Virtual, Online, United States
Duration: 17 Oct 2022 → …

Publication series

NameProceedings - 2022 IEEE Workshop on Topological Data Analysis and Visualization, TopoInVis 2022

Conference

Conference2022 IEEE Workshop on Topological Data Analysis and Visualization, TopoInVis 2022
Country/TerritoryUnited States
CityVirtual, Online
Period17/10/22 → …

Keywords

  • Data-Visualization
  • Persistence-Diagram
  • Scatterplot-matrix
  • Topological-Data-Analysis

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