Wendy Ann Czika

Works (3)

Updated: July 30th, 2023 21:14

2009 article

SNP selection and multidimensional scaling to quantify population structure

Miclaus, K., Wolfinger, R., & Czika, W. (2009, February 4). Genetic Epidemiology.

By: K. Miclaus n, R. Wolfinger* & W. Czika*

author keywords: population stratification; substructure-informative SNP selection; Hardy-Weinberg disequilibrium; nonmetric MDS; association studies
MeSH headings : Algorithms; Genetic Markers; Genetics, Population / methods; Genome-Wide Association Study; Humans; Polymorphism, Single Nucleotide; Selection, Genetic
topics (OpenAlex): Genetic Associations and Epidemiology; Genetic Mapping and Diversity in Plants and Animals
TL;DR: This work develops methodology for single nucleotide polymorphism (SNP) selection and subsequent population stratification visualization based on deviation from Hardy‐Weinberg equilibrium in conjunction with non‐metric multidimensional scaling (MDS); a distance‐based multivariate technique. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2004 article

Properties of the Multiallelic Trend Test

Czika, W., & Weir, B. S. (2004, March 1). Biometrics.

By: W. Czika* & B. Weir n

author keywords: case-control test; multiallelic markers; nongametic linkage disequilibrium
MeSH headings : Alleles; Biometry; Case-Control Studies; Chi-Square Distribution; Genetic Markers; Humans; Linkage Disequilibrium; Models, Genetic
topics (OpenAlex): Genetic Associations and Epidemiology; Genetic Mapping and Diversity in Plants and Animals; Evolution and Genetic Dynamics
TL;DR: It is shown here that the multiple‐allele version of Armitage's trend test has increased power over the two‐alleel version under the requirement of equifrequent alleles, but not in general. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2002 personal communication

Using all alleles in the multiallelic versions of the SDT and combined SDT/TDT

By: W. Czika & J. Berry

Source: NC State University Libraries
Added: August 6, 2018

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