Where did my Lines go? Visualizing Missing Data in Parallel Coordinates

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dc.contributor.authorBäuerle, Alexen_US
dc.contributor.authorOnzenoodt, Christian vanen_US
dc.contributor.authorKinderen, Simon deren_US
dc.contributor.authorWestberg, Jimmy Johanssonen_US
dc.contributor.authorJönsson, Danielen_US
dc.contributor.authorRopinski, Timoen_US
dc.contributor.editorBorgo, Ritaen_US
dc.contributor.editorMarai, G. Elisabetaen_US
dc.contributor.editorSchreck, Tobiasen_US
dc.date.accessioned2022-06-03T06:06:09Z
dc.date.available2022-06-03T06:06:09Z
dc.date.issued2022
dc.description.abstractWe evaluate visualization concepts to represent missing values in parallel coordinates. We focus on the trade-off between the ability to perceive missing values and the concept's impact on common tasks. For this purpose, we identified three missing value representation concepts: removing line segments where values are missing, adding a separate, horizontal axis onto which missing values are projected, and using imputed values as a replacement for missing values. For the missing values axis and imputed values concepts, we additionally add downplay and highlight variations. We performed a crowd-sourced, quantitative user study with 732 participants comparing the concepts and their variations using five real-world datasets. Based on our findings, we provide suggestions regarding which visual encoding to employ depending on the task at focus.en_US
dc.description.number3
dc.description.sectionheadersHigh Dimensional Data
dc.description.seriesinformationComputer Graphics Forum
dc.description.volume41
dc.identifier.doi10.1111/cgf.14536
dc.identifier.issn1467-8659
dc.identifier.pages235-246
dc.identifier.pages12 pages
dc.identifier.urihttps://doi.org/10.1111/cgf.14536
dc.identifier.urihttps://diglib.eg.org:443/handle/10.1111/cgf14536
dc.publisherThe Eurographics Association and John Wiley & Sons Ltd.en_US
dc.rightsAttribution 4.0 International License
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectCCS Concepts: Computing methodologies --> Perception; Human-centered computing --> User studies; Visualization techniques
dc.subjectComputing methodologies
dc.subjectPerception
dc.subjectHuman centered computing
dc.subjectUser studies
dc.subjectVisualization techniques
dc.titleWhere did my Lines go? Visualizing Missing Data in Parallel Coordinatesen_US
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