Multivariate Data Explanation by Jumping Emerging Patterns Visualization

• URL: http://arxiv.org/abs/2106.11112v1
• Date: Mon, 21 Jun 2021 13:49:44 GMT
• Title: Multivariate Data Explanation by Jumping Emerging Patterns Visualization
• Authors: M\'ario Popolin Neto and Fernando V. Paulovich
• Abstract summary: We present VAX (multiVariate dAta eXplanation), a new VA method to support the identification and visual interpretation of patterns in multivariate data sets. Unlike the existing similar approaches, VAX uses the concept of Jumping Emerging Patterns to identify and aggregate several diversified patterns, producing explanations through logic combinations of data variables.
• Score: 78.6363825307044
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: Visual Analytics (VA) tools and techniques have shown to be instrumental in supporting users to build better classification models, interpret model decisions and audit results. In a different direction, VA has recently been applied to transform classification models into descriptive mechanisms instead of predictive. The idea is to use such models as surrogates for data patterns, visualizing the model to understand the phenomenon represented by the data. Although very useful and inspiring, the few proposed approaches have opted to use low complex classification models to promote straightforward interpretation, presenting limitations to capture intricate data patterns. In this paper, we present VAX (multiVariate dAta eXplanation), a new VA method to support the identification and visual interpretation of patterns in multivariate data sets. Unlike the existing similar approaches, VAX uses the concept of Jumping Emerging Patterns to identify and aggregate several diversified patterns, producing explanations through logic combinations of data variables. The potential of VAX to interpret complex multivariate datasets is demonstrated through study-cases using two real-world data sets covering different scenarios.

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