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The expected behaviour of random fields in high dimensions : contradictions in the results of Bansal and Peterson
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Davenport, Samuel and Nichols, Thomas E. (2022) The expected behaviour of random fields in high dimensions : contradictions in the results of Bansal and Peterson. Magnetic Resonance Imaging, 90 . pp. 70-75. doi:10.1016/j.mri.2021.11.010
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Official URL: http://dx.doi.org/10.1016/j.mri.2021.11.010
Abstract
Bansal and Peterson (2018) found that in simple stationary Gaussian simulations Random Field Theory incorrectly estimates the number of clusters of a Gaussian field that lie above a threshold. Their results contradict the existing literature and appear to have arisen due to errors in their code. Using reproducible code we demonstrate that in their simulations Random Field Theory correctly predicts the expected number of clusters and therefore that many of their results are invalid.
| Item Type: | Journal Item | ||||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Statistics | ||||||||||
| Journal or Publication Title: | Magnetic Resonance Imaging | ||||||||||
| Publisher: | Elsevier | ||||||||||
| ISSN: | 0730-725X | ||||||||||
| Official Date: | July 2022 | ||||||||||
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| Volume: | 90 | ||||||||||
| Page Range: | pp. 70-75 | ||||||||||
| DOI: | 10.1016/j.mri.2021.11.010 | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||||
| Copyright Holders: | Elsevier | ||||||||||
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| Open Access Version: |
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