UniODA vs. Not Chi-Square: Vaccine Administration and Flu December 6, 2015January 9, 2019 ~ paulyarnold Paul R. Yarnold Optimal Data Analysis, LLC The effectiveness of a new flu vaccine requiring two administrations spaced by two weeks was incorrectly evaluated using chi-square analysis: findings are compared between chi-square and UniODA. View journal article Share this:TwitterFacebookLike this:Like Loading... Related Published by paulyarnold View all posts by paulyarnold