Corrigendum to Vector field statistical analysis of kinematic and force trajectories. [Journal of Biomechanics, 46(14), (2013) 2394-2401]

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Pataky, T ; Robinson, MA ; Vanrenterghem, J

Following publication we discovered a minor coding error which has non-negligible effects on the critical thresholds reported for the multivariate tests in Figs. 5, 7 & 9 of the main manuscript. A separate minor coding error affects Table S2 in Appendix B. This document briefly describes these errors and provides corrected results along with a brief discussion. We believe that the errors are fortunately negligible in the context of the paper’s main conclusions regarding bias in ‘non-directed’ hypothesis testing. We nevertheless feel that it is important to correct our errors in interest of results reproducibility. Also to this end we plan to make all of our multivariate SPM code open-source in due course, along with validation scripts which demonstrate why the these critical thresholds validly describe the behavior of smooth multivariate Gaussian fields. Our univariate SPM code is currently available for Python and Matlab at www.spm1d.org.
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