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  1. Article ; Online: Using Counterfactuals to Improve Causal Inferences From Visualizations.

    Borland, David / Wang, Arran Zeyu / Gotz, David / Rhyne, Theresa-Marie

    IEEE computer graphics and applications

    2024  Volume 44, Issue 1, Page(s) 95–104

    Abstract: Traditional approaches to data visualization have often focused on comparing different subsets of data, and this is reflected in the many techniques developed and evaluated over the years for visual comparison. Similarly, common workflows for exploratory ...

    Abstract Traditional approaches to data visualization have often focused on comparing different subsets of data, and this is reflected in the many techniques developed and evaluated over the years for visual comparison. Similarly, common workflows for exploratory visualization are built upon the idea of users interactively applying various filter and grouping mechanisms in search of new insights. This paradigm has proven effective at helping users identify correlations between variables that can inform thinking and decision-making. However, recent studies show that consumers of visualizations often draw causal conclusions even when not supported by the data. Motivated by these observations, this article highlights recent advances from a growing community of researchers exploring methods that aim to directly support visual causal inference. However, many of these approaches have their own limitations, which limit their use in many real-world scenarios. This article, therefore, also outlines a set of key open challenges and corresponding priorities for new research to advance the state of the art in visual causal inference.
    Language English
    Publishing date 2024-01-25
    Publishing country United States
    Document type Journal Article
    ISSN 1558-1756
    ISSN (online) 1558-1756
    DOI 10.1109/MCG.2023.3338788
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Book ; Online: An Empirical Study of Counterfactual Visualization to Support Visual Causal Inference

    Wang, Arran Zeyu / Borland, David / Gotz, David

    2024  

    Abstract: Counterfactuals -- expressing what might have been true under different circumstances -- have been widely applied in statistics and machine learning to help understand causal relationships. More recently, counterfactuals have begun to emerge as a ... ...

    Abstract Counterfactuals -- expressing what might have been true under different circumstances -- have been widely applied in statistics and machine learning to help understand causal relationships. More recently, counterfactuals have begun to emerge as a technique being applied within visualization research. However, it remains unclear to what extent counterfactuals can aid with visual data communication. In this paper, we primarily focus on assessing the quality of users' understanding of data when provided with counterfactual visualizations. We propose a preliminary model of causality comprehension by connecting theories from causal inference and visual data communication. Leveraging this model, we conducted an empirical study to explore how counterfactuals can improve users' understanding of data in static visualizations. Our results indicate that visualizing counterfactuals had a positive impact on participants' interpretations of causal relations within datasets. These results motivate a discussion of how to more effectively incorporate counterfactuals into data visualizations.

    Comment: Accepted for publication in Information Visualization
    Keywords Computer Science - Human-Computer Interaction
    Publishing date 2024-01-16
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Book ; Online: Using Counterfactuals to Improve Causal Inferences from Visualizations

    Borland, David / Wang, Arran Zeyu / Gotz, David

    2024  

    Abstract: Traditional approaches to data visualization have often focused on comparing different subsets of data, and this is reflected in the many techniques developed and evaluated over the years for visual comparison. Similarly, common workflows for exploratory ...

    Abstract Traditional approaches to data visualization have often focused on comparing different subsets of data, and this is reflected in the many techniques developed and evaluated over the years for visual comparison. Similarly, common workflows for exploratory visualization are built upon the idea of users interactively applying various filter and grouping mechanisms in search of new insights. This paradigm has proven effective at helping users identify correlations between variables that can inform thinking and decision-making. However, recent studies show that consumers of visualizations often draw causal conclusions even when not supported by the data. Motivated by these observations, this article highlights recent advances from a growing community of researchers exploring methods that aim to directly support visual causal inference. However, many of these approaches have their own limitations which limit their use in many real-world scenarios. This article therefore also outlines a set of key open challenges and corresponding priorities for new research to advance the state of the art in visual causal inference.

    Comment: Accepted for publication in IEEE Computer Graphics and Applications, 44(1), Jan/Feb, 2024
    Keywords Computer Science - Human-Computer Interaction
    Publishing date 2024-01-16
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  4. Article ; Online: Improving Visualization Interpretation Using Counterfactuals.

    Kaul, Smiti / Borland, David / Cao, Nan / Gotz, David

    IEEE transactions on visualization and computer graphics

    2021  Volume 28, Issue 1, Page(s) 998–1008

    Abstract: Complex, high-dimensional data is used in a wide range of domains to explore problems and make decisions. Analysis of high-dimensional data, however, is vulnerable to the hidden influence of confounding variables, especially as users apply ad hoc ... ...

    Abstract Complex, high-dimensional data is used in a wide range of domains to explore problems and make decisions. Analysis of high-dimensional data, however, is vulnerable to the hidden influence of confounding variables, especially as users apply ad hoc filtering operations to visualize only specific subsets of an entire dataset. Thus, visual data-driven analysis can mislead users and encourage mistaken assumptions about causality or the strength of relationships between features. This work introduces a novel visual approach designed to reveal the presence of confounding variables via counterfactual possibilities during visual data analysis. It is implemented in CoFact, an interactive visualization prototype that determines and visualizes counterfactual subsets to better support user exploration of feature relationships. Using publicly available datasets, we conducted a controlled user study to demonstrate the effectiveness of our approach; the results indicate that users exposed to counterfactual visualizations formed more careful judgments about feature-to-outcome relationships.
    Language English
    Publishing date 2021-12-30
    Publishing country United States
    Document type Journal Article
    ISSN 1941-0506
    ISSN (online) 1941-0506
    DOI 10.1109/TVCG.2021.3114779
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Selection-Bias-Corrected Visualization via Dynamic Reweighting.

    Borland, David / Zhang, Jonathan / Kaul, Smiti / Gotz, David

    IEEE transactions on visualization and computer graphics

    2021  Volume 27, Issue 2, Page(s) 1481–1491

    Abstract: The collection and visual analysis of large-scale data from complex systems, such as electronic health records or clickstream data, has become increasingly common across a wide range of industries. This type of retrospective visual analysis, however, is ... ...

    Abstract The collection and visual analysis of large-scale data from complex systems, such as electronic health records or clickstream data, has become increasingly common across a wide range of industries. This type of retrospective visual analysis, however, is prone to a variety of selection bias effects, especially for high-dimensional data where only a subset of dimensions is visualized at any given time. The risk of selection bias is even higher when analysts dynamically apply filters or perform grouping operations during ad hoc analyses. These bias effects threaten the validity and generalizability of insights discovered during visual analysis as the basis for decision making. Past work has focused on bias transparency, helping users understand when selection bias may have occurred. However, countering the effects of selection bias via bias mitigation is typically left for the user to accomplish as a separate process. Dynamic reweighting (DR) is a novel computational approach to selection bias mitigation that helps users craft bias-corrected visualizations. This paper describes the DR workflow, introduces key DR visualization designs, and presents statistical methods that support the DR process. Use cases from the medical domain, as well as findings from domain expert user interviews, are also reported.
    Language English
    Publishing date 2021-01-28
    Publishing country United States
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
    ISSN 1941-0506
    ISSN (online) 1941-0506
    DOI 10.1109/TVCG.2020.3030455
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Book ; Online: Improving Visualization Interpretation Using Counterfactuals

    Kaul, Smiti / Borland, David / Cao, Nan / Gotz, David

    2021  

    Abstract: Complex, high-dimensional data is used in a wide range of domains to explore problems and make decisions. Analysis of high-dimensional data, however, is vulnerable to the hidden influence of confounding variables, especially as users apply ad hoc ... ...

    Abstract Complex, high-dimensional data is used in a wide range of domains to explore problems and make decisions. Analysis of high-dimensional data, however, is vulnerable to the hidden influence of confounding variables, especially as users apply ad hoc filtering operations to visualize only specific subsets of an entire dataset. Thus, visual data-driven analysis can mislead users and encourage mistaken assumptions about causality or the strength of relationships between features. This work introduces a novel visual approach designed to reveal the presence of confounding variables via counterfactual possibilities during visual data analysis. It is implemented in CoFact, an interactive visualization prototype that determines and visualizes \textit{counterfactual subsets} to better support user exploration of feature relationships. Using publicly available datasets, we conducted a controlled user study to demonstrate the effectiveness of our approach; the results indicate that users exposed to counterfactual visualizations formed more careful judgments about feature-to-outcome relationships.

    Comment: To Appear in IEEE TVCG (and be presented at IEEE VIS 2021)
    Keywords Computer Science - Human-Computer Interaction
    Subject code 004
    Publishing date 2021-07-21
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Ontology-Based Interactive Visualization of Patient-Generated Research Questions.

    Borland, David / Christopherson, Laura / Schmitt, Charles

    Applied clinical informatics

    2019  Volume 10, Issue 3, Page(s) 377–386

    Abstract: Background: Crohn's disease and colitis are chronic conditions that affect every facet of patients' lives (e.g., social interaction, family, work, diet, and sleep). Thus, treatment consists largely of disease management. The University of North Carolina ...

    Abstract Background: Crohn's disease and colitis are chronic conditions that affect every facet of patients' lives (e.g., social interaction, family, work, diet, and sleep). Thus, treatment consists largely of disease management. The University of North Carolina at Chapel Hill chapter of the Crohn's and Colitis Foundation-IBD Partners-has created an interactive website that, in addition to providing helpful information and disease management tools, provides a discussion forum for patients to talk about their experiences and suggest new lines of research into Crohn's disease and colitis.
    Objectives: The primary objective of this work is to enable researchers to more effectively browse the forum content. Researchers wish to identify important/popular patient-suggested research topics, appreciate the full breadth of the research topics, and see connections between them, in order to more effectively prioritize research agendas.
    Methods: To help structure the forum content we have developed an ontology describing the major themes in the discussion forum. We have also created a prototype interactive visualization tool that leverages the ontology to help researchers identify common themes and related patient-generated research topics via linked views of (1) the ontology, (2) a research topic overview clustered by relevant ontology terms, and (3) a detailed view of the discussion forum content.
    Results: We discuss visualizations and interactions enabled by the visualization tool, provide an example scenario using the tool, and discuss limitations and future work based on feedback from potential users.
    Conclusion: The integration of a user-community specific ontology with an interactive visualization tool is a promising approach for enabling researchers to more effectively study user-generated research questions.
    MeSH term(s) Biological Ontologies ; Biomedical Research ; Colitis ; Crohn Disease ; Data Mining/methods ; Feedback ; Humans ; User-Computer Interface
    Language English
    Publishing date 2019-06-05
    Publishing country Germany
    Document type Journal Article
    ISSN 1869-0327
    ISSN (online) 1869-0327
    DOI 10.1055/s-0039-1688938
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Contextual Visualization.

    Borland, David / Wang, Wenyuan / Gotz, David

    IEEE computer graphics and applications

    2019  Volume 38, Issue 6, Page(s) 17–23

    Abstract: Unseen information can lead to various "threats to validity" when analyzing complex datasets using visual tools, resulting in potentially biased findings. We enumerate sources of unseen information and argue that a new focus on contextual visualization ... ...

    Abstract Unseen information can lead to various "threats to validity" when analyzing complex datasets using visual tools, resulting in potentially biased findings. We enumerate sources of unseen information and argue that a new focus on contextual visualization methods is needed to inform users of these threats and to mitigate their effects.
    Language English
    Publishing date 2019-01-22
    Publishing country United States
    Document type Journal Article ; Research Support, U.S. Gov't, Non-P.H.S.
    ISSN 1558-1756
    ISSN (online) 1558-1756
    DOI 10.1109/MCG.2018.2874782
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Data-Driven Healthcare: Challenges and Opportunities for Interactive Visualization.

    Gotz, David / Borland, David

    IEEE computer graphics and applications

    2016  Volume 36, Issue 3, Page(s) 90–96

    Abstract: The healthcare industry's widespread digitization efforts are reshaping one of the largest sectors of the world's economy. This transformation is enabling systems that promise to use ever-improving data-driven evidence to help doctors make more precise ... ...

    Abstract The healthcare industry's widespread digitization efforts are reshaping one of the largest sectors of the world's economy. This transformation is enabling systems that promise to use ever-improving data-driven evidence to help doctors make more precise diagnoses, institutions identify at risk patients for intervention, clinicians develop more personalized treatment plans, and researchers better understand medical outcomes within complex patient populations. Given the scale and complexity of the data required to achieve these goals, advanced data visualization tools have the potential to play a critical role. This article reviews a number of visualization challenges unique to the healthcare discipline.
    Language English
    Publishing date 2016-05
    Publishing country United States
    Document type Journal Article
    ISSN 1558-1756
    ISSN (online) 1558-1756
    DOI 10.1109/MCG.2016.59
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Book ; Online: Selection-Bias-Corrected Visualization via Dynamic Reweighting

    Borland, David / Zhang, Jonathan / Kaul, Smiti / Gotz, David

    2020  

    Abstract: The collection and visual analysis of large-scale data from complex systems, such as electronic health records or clickstream data, has become increasingly common across a wide range of industries. This type of retrospective visual analysis, however, is ... ...

    Abstract The collection and visual analysis of large-scale data from complex systems, such as electronic health records or clickstream data, has become increasingly common across a wide range of industries. This type of retrospective visual analysis, however, is prone to a variety of selection bias effects, especially for high-dimensional data where only a subset of dimensions is visualized at any given time. The risk of selection bias is even higher when analysts dynamically apply filters or perform grouping operations during ad hoc analyses. These bias effects threatens the validity and generalizability of insights discovered during visual analysis as the basis for decision making. Past work has focused on bias transparency, helping users understand when selection bias may have occurred. However, countering the effects of selection bias via bias mitigation is typically left for the user to accomplish as a separate process. Dynamic reweighting (DR) is a novel computational approach to selection bias mitigation that helps users craft bias-corrected visualizations. This paper describes the DR workflow, introduces key DR visualization designs, and presents statistical methods that support the DR process. Use cases from the medical domain, as well as findings from domain expert user interviews, are also reported.

    Comment: This article will be published in IEEE Transactions on Visualization and Computer Graphics (TVCG) in January 2021. The work will also be presented at IEEE VIS 2020. Video figure available here: https://vimeo.com/442775090
    Keywords Computer Science - Human-Computer Interaction
    Publishing date 2020-07-29
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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