Automated Assessment of Residual Plots with Computer Vision Models

• URL: http://arxiv.org/abs/2411.01001v1
• Date: Fri, 01 Nov 2024 19:51:44 GMT
• Title: Automated Assessment of Residual Plots with Computer Vision Models
• Authors: Weihao Li, Dianne Cook, Emi Tanaka, Susan VanderPlas, Klaus Ackermann,
• Abstract summary: Plotting residuals is a recommended procedure to diagnose deviations from linear model assumptions. The presence of structure in residual plots can be tested using the lineup protocol to do visual inference. This work presents a solution by providing a computer vision model to automate the assessment of residual plots.
• Score: 5.835976576278297
• License:
• Abstract: Plotting the residuals is a recommended procedure to diagnose deviations from linear model assumptions, such as non-linearity, heteroscedasticity, and non-normality. The presence of structure in residual plots can be tested using the lineup protocol to do visual inference. There are a variety of conventional residual tests, but the lineup protocol, used as a statistical test, performs better for diagnostic purposes because it is less sensitive and applies more broadly to different types of departures. However, the lineup protocol relies on human judgment which limits its scalability. This work presents a solution by providing a computer vision model to automate the assessment of residual plots. It is trained to predict a distance measure that quantifies the disparity between the residual distribution of a fitted classical normal linear regression model and the reference distribution, based on Kullback-Leibler divergence. From extensive simulation studies, the computer vision model exhibits lower sensitivity than conventional tests but higher sensitivity than human visual tests. It is slightly less effective on non-linearity patterns. Several examples from classical papers and contemporary data illustrate the new procedures, highlighting its usefulness in automating the diagnostic process and supplementing existing methods.

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