What is an optimal value of k in k-fold cross-validation in discrete Bayesian network analysis?

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Funding Acknowledgements

We thank Clint Epps, Julie Heinrichs, and an anonymous reviewer for helpful comments on the manuscript. Marcot acknowledges support from U.S. Forest Service, Pacific Northwest Research Station, and University of Melbourne, Australia. Mention of commercial or other products does not necessarily imply endorsement by the U.S. Government.