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Vol. 50, No. 4, 2000
Issue release date: July–August 2000 (April 2000)
Section title: Original Paper
Hum Hered 2000;50:211–223
(DOI:10.1159/000022918)

A Unified Approach to Adjusting Association Tests for Population Admixture with Arbitrary Pedigree Structure and Arbitrary Missing Marker Information

Rabinowitz D. · Laird N.
aDepartment of Statistics, Columbia University, New York, N.Y., and bDepartment of Biostatistics, Harvard School of Public Health, Boston, Mass., USA

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: 4/28/2000

Number of Print Pages: 13
Number of Figures: 1
Number of Tables: 10

ISSN: 0001-5652 (Print)
eISSN: 1423-0062 (Online)

For additional information: http://www.karger.com/HHE

Abstract

A general approach to family-based examinations of association between marker alleles and traits is proposed. The approach is based on computing p values by comparing test statistics for association to their conditional distributions given the minimal sufficient statistic under the null hypothesis for the genetic model, sampling plan and population admixture. The approach can be applied with any test statistic, so any kind of phenotype and multi-allelic markers may be examined, and covariates may be included in analyses. By virtue of the conditioning, the approach results in correct type I error probabilities regardless of population admixture, the true genetic model and the sampling strategy. An algorithm for computing the conditional distributions is described, and the results of the algorithm for configurations of nuclear families are presented. The algorithm is applicable with all pedigree structures and all patterns of missing marker allele information.


  

Author Contacts

Daniel Rabinowitz
Department of Statistics, Mathematics Building, Mail Code 4403
Columbia University, Broadway and 120th St.
New York, NY 10027 (USA)
Tel. +1 212 854 3400, Fax +1 232 663 2454, E-Mail dan@stat.columbia.edu

  

Article Information

Received: Received: February 2, 1999
Revision received: March 23, 1999
Accepted: April 1, 1999
Number of Print Pages : 13
Number of Figures : 1, Number of Tables : 10, Number of References : 15

  

Publication Details

Human Heredity (International Journal of Human and Medical Genetics)
Founded 1950 as Acta Genetica et Statistica Medica by Gunnar Dahlberg; Continued by M. Hauge (1965–1983)

Vol. 50, No. 4, Year 2000 (Cover Date: July-August 2000 (Released April 2000))

Journal Editor: J. Ott, New York, N.Y.
ISSN: 0001–5652 (print), 1423–0062 (Online)

For additional information: http://www.karger.ch/journals/hhe


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: 4/28/2000

Number of Print Pages: 13
Number of Figures: 1
Number of Tables: 10

ISSN: 0001-5652 (Print)
eISSN: 1423-0062 (Online)

For additional information: http://www.karger.com/HHE


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Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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