Exploratory Analysis for an Ordered Series of a Dichotomous Attribute: Airborne Radiation and Congenital Hypothyroidism of California Newborns

Paul R. Yarnold & Robert C. Soltysik

Optimal Data Analysis, LLC

Confirmatory hypothesis-testing methodology was recently demonstrated with an example assessing the effect of airborne beta nuclear radiation emanating from the Fukushima nuclear meltdown on the risk of confirmed congenital hypothyroidism (CH) for newborns in California in the years 2011-2012. Eyeball inspection of the data suggests that the a priori hypothesis which was evaluated is inconsistent with the actual data, so an exploratory analysis is conducted.

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