{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,12]],"date-time":"2025-02-12T11:40:03Z","timestamp":1739360403300,"version":"3.37.0"},"reference-count":41,"publisher":"World Scientific Pub Co Pte Ltd","issue":"04n05","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Advs. Complex Syst."],"published-print":{"date-parts":[[2009,8]]},"abstract":"<jats:p>Two noninteger parameters are defined for MAX statistics, which are maxima of d simpler test statistics. The first parameter, d<jats:sub>MAX<\/jats:sub>, is the fractional number of tests, representing the equivalent numbers of independent tests in MAX. If the d tests are dependent, d<jats:sub>MAX<\/jats:sub>&lt; d. The second parameter is the fractional degrees of freedom k of the chi-square distribution [Formula: see text] that fits the MAX null distribution. These two parameters, d<jats:sub>MAX<\/jats:sub>and k, can be independently defined, and k can be noninteger even if d<jats:sub>MAX<\/jats:sub>is an integer. We illustrate these two parameters using the examples of MAX2 and MAX3 statistics in genetic case-control studies. We speculate that k is related to the amount of ambiguity of the model inferred by the test. In the case-control genetic association, tests with low k (e.g. k = 1) are able to provide definitive information about the disease model, as versus tests with high k (e.g. k = 2) that are completely uncertain about the disease model. Similar to Heisenberg's uncertain principle, the ability to infer disease model and the ability to detect significant association may not be simultaneously optimized, and k seems to measure the level of their balance.<\/jats:p>","DOI":"10.1142\/s0219525909002349","type":"journal-article","created":{"date-parts":[[2009,9,25]],"date-time":"2009-09-25T17:44:46Z","timestamp":1253900686000},"page":"513-531","source":"Crossref","is-referenced-by-count":1,"title":["FRACTAL CHARACTERIZATIONS OF MAX STATISTICAL DISTRIBUTION IN GENETIC ASSOCIATION STUDIES"],"prefix":"10.1142","volume":"12","author":[{"given":"WENTIAN","family":"LI","sequence":"first","affiliation":[{"name":"The Robert S. Boas Center for Genomics and Human Genetics, The Feinstein Institute for Medical Research, North Shore LIJ Health System, Manhasset, 350 Community Drive, NY 11030, USA"}]},{"given":"YANING","family":"YANG","sequence":"additional","affiliation":[{"name":"Department of Statistics and Finance, University of Science and Technology of China, Anhui 230026, Hefei, China"}]}],"member":"219","published-online":{"date-parts":[[2011,11,20]]},"reference":[{"key":"rf1","doi-asserted-by":"publisher","DOI":"10.1119\/1.13295"},{"volume-title":"Numerical Recipes in C","year":"1988","author":"Press W. H.","key":"rf2"},{"volume-title":"Genetic Data Analysis II","year":"1996","author":"Weir B. S.","key":"rf3"},{"volume-title":"Statistics in Human Genetics","year":"1997","author":"Sham P.","key":"rf4"},{"key":"rf5","doi-asserted-by":"crossref","DOI":"10.1093\/oso\/9780195159394.001.0001","volume-title":"Statistical Methods in Genetic Epidemiology","author":"Thomas D. 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