Assessing Hold-Out Validity of CTA Models Using UniODA September 20, 2013January 9, 2019 ~ paulyarnold Assessing Hold-Out Validity of CTA Models Using UniODA Paul R. Yarnold, Ph.D. Optimal Data Analysis, LLC The use of UniODA software to assess hold-out validity of a CTA model is demonstrated using both raw and standardized data. View journal article Like this:Like Loading... Related Published by paulyarnold View all posts by paulyarnold