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Klaus Mueller

2 papers indexed

arxivcs.HCcs.LG2026-07-09

ImputeViz: A Visual Analytics Dashboard for Diagnosing Missing Data and Comparing Imputation Methods

Aitik Dandapat, Lalith Punepalle Raveendrareddy, Mithilesh Kumar Singh, Klaus Mueller

Missing data is a persistent obstacle in scientific, social science, and public health research, often biasing analyses and placing accountability on analysts for how they handle missing values. We introduce ImputeViz, an integrated visual analytics dashboard that supports diagno…

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arxivcs.HC2026-07-02

When Do LLM Personas Support Visualization Design? A Cross-Model Study of Color Assignment and Chart Choice

Shahreen Salim, Klaus Mueller

Large language model personas are increasingly used to approximate diverse users during early-stage visualization design, but it remains unclear whether persona-conditioned outputs reflect stable personality effects or artifacts of model choice and task framing. We examine this q…

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