The Exact and Asymptotic Distributions of Cramér-Von Mises Statistics

Sándor CSöRgő, Julian J. Faraway

Research output: Contribution to journalArticlepeer-review

104 Citations (SciVal)

Abstract

It is shown that an asymptotically precise one-term correction to the asymptotic distribution function of the classical Cramér-von Mises statistic approximates the exact distribution function remarkably closely for sample sizes as small as 7 or even smaller. This correction can be quickly evaluated, and hence it is suitable for the computation of practically exact p-values when testing simple goodness of fit. Similar findings hold for Watson's rotationally invariant modification, where a sample size of 4 appears to suffice.

Original languageEnglish
Pages (from-to)221-234
Number of pages14
JournalJournal of the Royal Statistical Society. Series B: Methodological
Volume58
Issue number1
DOIs
Publication statusPublished - 1 Jan 1996

Keywords

  • asymptotic expansions
  • cramér-von mises statistic
  • small sample distributions
  • watson's statistic

ASJC Scopus subject areas

  • Statistics and Probability

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