4 results for "Azriel David"
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The Empirical Distribution of a Large Number of Correlated Normal Variables
Motivated by the advent of high dimensional highly correlated data, this work studies the limit behavior of the empirical cumulative distribution function (ecdf) of standard normal random variables under arbitrary correlation. First, we provide a necessary and sufficient condition for convergence…
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Partitioning Fraction of Variance Explained into Strong Localized Effects and Weak Diffuse Effects
High-dimensional genetic data present substantial challenges for estimating the fraction of variance explained (FVE) by genome-wide single-nucleotide polymorphisms (SNPs). Standard approaches for SNP heritability estimation, such as GWAS heritability (GWASH) and linkage disequilibrium score (LDSC)…
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Journal Article
The optimality of blocking designs in equally and unequally allocated randomized experiments with general response
…the tail criterion of Kapelner A, Krieger AM, Sklar M, Shalit U, Azriel D. Harmonizing optimized designs with classic randomization in experiments. Am Statistician 2021;75:195–206. https://doi.org/10.1080/00031305.2020.1717619, we show the optimal design is less random than complete randomization…
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Functional Benefit and Orthotic Effect of Dorsiflexion-FES in Children with Hemiplegic Cerebral Palsy
Functional electrical stimulation of the ankle dorsiflexor (DF-FES) may have advantages over ankle foot orthoses (AFOs) in managing pediatric cerebral palsy (CP). This study assessed the functional benefit and orthotic effect of DF-FES in children with hemiplegic CP. We conducted an open-label…