Jason A. S. Freeman

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The two-layer radial basis function network, with fixed centers of the basis functions, is analyzed within a stochastic training paradigm. Various definitions of generalization error are considered, and two such definitions are employed in deriving generic learning curves and generalization properties, both with and without a weight decay term. The(More)
An analytic investigation of the average case learning and generalization properties of radial basis function (RBFs) networks is presented, utilizing online gradient descent as the learning rule. The analytic method employed allows both the calculation of generalization error and the examination of the internal dynamics of the network. The generalization(More)
BACKGROUND Poor self-rated health (SRH) and elevated inflammation and morbidity and mortality are robustly associated in middle- and older-aged adults. Less is known about SRH-elevated inflammation associations during young adulthood and whether these linkages differ by sex. METHODS Data came from the National Longitudinal Study of Adolescent Health. At(More)
BACKGROUND Cases with very high C-reactive protein (CRP>10mg/L) are often dropped from analytic samples in research on risk for chronic physical and mental illness, but this convention could inadvertently result in excluding those most at risk. We tested whether young adults with very high CRP scored high on indicators of chronic disease risk. We also(More)
OBJECTIVE Self-control/self-regulation has received increased attention in health research. Suicide attempts index severe dysregulation in emotional, behavioral, and/or physiological domains. The current study tested whether own and/or others' suicide attempts during the early life course predicted cardiovascular risk by young adulthood and whether(More)
OBJECTIVE In middle-aged and older samples, perceived subjective socioeconomic status (SSS) is a marker of social rank that is associated with elevated inflammation and cardiovascular disease risk independent of objective indicators of SES (oSES). Whether SSS is uniquely associated with elevated inflammation during young adulthood and whether these linkages(More)
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