Outliers and the Simpson's Paradox

E Portela, RP Ribeiro, J Gama - … 2017, Enseneda, Mexico, October 23-28 …, 2018 - Springer
… In this work, we start from the observation that outliers are effected by the so called Simpson
paradox: a trend that appears in different groups of data but disappears or reverses when …

The search of conditional outliers

E Portela, RP Ribeiro, J Gama - Intelligent Data Analysis, 2019 - content.iospress.com
… Using these results, we will point out that outlier detection may be an example of simpsons
paradox [1]: a trend that appears in divided sets of data and reverses or disappears when …

Visualizing statistical mix effects and Simpson's paradox

Z Armstrong, M Wattenberg - IEEE transactions on visualization …, 2014 - ieeexplore.ieee.org
… without a Simpson’s-like effect, visualizing disaggregated data with the comet chart is still
useful to highlight outliers, … First, like a scatterplot, the comet chart reveals outliers in terms of …

Yule-Simpson's paradox in research

HH Goltz, ML Smith - Practical Assessment, Research, and …, 2019 - scholarworks.umass.edu
… However, HLM parameter estimates will differ somewhat from ANOVA because they are
created using Empirical Bayes estimation, resulting in shrinkage of outliers towards the mean. …

Simpson's paradox beyond confounding

Z Dong, W Cai, S Zhao - European Journal for Philosophy of Science, 2024 - Springer
Simpson’s paradox (SP) is a statistical phenomenon where the association between two
variables reverses, disappears, or emerges, after conditioning on a third variable. It has been …

[PDF][PDF] Sometimes three rights really do make a wrong: Measuring cybersecurity and Simpson's paradox

E Jardine - Workshop on the Economics of Information …, 2017 - weis2017.econinfosec.org
… is known as ‘Simpson’s Paradox.’In this paper, I show that Simpson’s Paradox emerges in
the … I test for Simpson’s Paradox using a Monte Carlo simulation involving 2,002 iterations of …

Paradoxes in film ratings

TL Moore - Journal of Statistics Education, 2006 - Taylor & Francis
… We can create a Simpson's paradox from the films data as follows. As above, use 90 minutes
to … Identifying outliers. We can see one clear outlier in Figure 1 : the movie with a **** rating …

Post-mortem on a deep learning contest: a Simpson's paradox and the complementary roles of scale metrics versus shape metrics

CH Martin, MW Mahoney - arXiv preprint arXiv:2106.00734, 2021 - arxiv.org
… 10Note that we do not include outliers (defined as when α ≥ 8) in the layer average. This
indicates that either this layer has a low-quality PL fit, or that the layer weight matrix is not HT …

[PDF][PDF] Ascertaining an individual patient's symptom dominance hierarchy: Analysis of raw longitudinal data induces Simpson's Paradox

PR Yarnold - Optimal Data Analysis, 2013 - researchgate.net
… The induction of Simpson’s paradox has been characterized for sample-based designs. 7,
8 Research demonstrating serial N -of-1 UniODAbased analyses was first to report that such …

What is a performance outlier?

DM Shahian, SLT Normand - BMJ quality & safety, 2015 - qualitysafety.bmj.com
… a hospital as an outlier (eg, 90%, 95%, 99% CI). The overall health policy ‘costs’ of higher
specificity and fewer false outliers versus higher sensitivity and more false outliers must be …