Author:
Davenport Samuel,Nichols Thomas E.
Abstract
AbstractBansal 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.
Publisher
Cold Spring Harbor Laboratory
Reference19 articles.
1. Robert J. Adler . The Geometry of Random Fields. 1981.
2. Robert J Adler , Jonathan E Taylor , and Keith J. Worsley . Applications of random fields and geometry: Foundations and case studies. 2010.
3. Robert J. Adler , Kevin Bartz , Sam C. Kou , and Anthea Monod . Estimating thresholding levels for random fields via Euler characteristics. 2017.
4. Cluster-level statistical inference in fMRI datasets: The unexpected behavior of random fields in high dimensions
5. The size of the connected components of excursion sets of χ2, t and F fields