3 papers
stat.CO2026
Squintability and Other Metrics for Assessing Projection Pursuit Indexes, and Guiding Optimization Choices
H. Sherry Zhang, Dianne Cook, Nicolas Langrené +2
The projection pursuit (PP) guided tour optimizes a criterion function, known as the PP index, to gradually reveal projections of interest from high-dimensional data through animat…
stat.ME2025
Is this normal? A new projection pursuit index to assess a sample against a multivariate null distribution
Annalisa Calvi, Ursula Laa, Dianne Cook
Many data problems contain some reference or normal conditions, upon which to compare newly collected data. This scenario occurs in data collected as part of clinical trials to det…
stat.CO2024
A Tidy Framework and Infrastructure to Systematically Assemble Spatio-temporal Indexes from Multivariate Data
H. Sherry Zhang, Dianne Cook, Ursula Laa +2
Indexes are useful for summarizing multivariate information into single metrics for monitoring, communicating, and decision-making. While most work has focused on defining new inde…