Local Central Limit Theorems , the High Order Correlations of Rejective Sampling , and Applications to Conditional Logistic Likelihood

نویسندگان

  • Richard Arratia
  • Larry Goldstein
  • Bryan Langholz
چکیده

Let I1, . . . , In be independent but not necessarily identically distributed Bernoulli random variables, and let Xn = ∑n j=1 Ij . For ν in a bounded region, a local central limit theorem expansion of PI (Xn = EI Xn + ν) is developed to any given degree. By conditioning, this expansion provides information on the high order correlation structure of dependent, weighted sampling schemes of a population E (a special case of which is simple random sampling) where a set r ⊂ E is sampled with probability proportional to ∏ A∈r xA, where xA are positive weights associated with individuals A ∈ E. These results are used to derive the asymptotic information of the conditional logistic likelihood for unmatched case-control study designs in which sets of controls of the same size are sampled with equal probability. ∗AMS 2000 subject classifications. 62N02, 62D05 60F05. †

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LOCAL CENTRAL LIMIT THEOREMS, THE HIGH-ORDER CORRELATIONS OF REJECTIVE SAMPLING AND LOGISTIC LIKELIHOOD ASYMPTOTICS BY RICHARD ARRATIA, LARRY GOLDSTEIN1 AND BRYAN LANGHOLZ1 University of Southern California

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تاریخ انتشار 2001