Hostname: page-component-78c5997874-dh8gc Total loading time: 0 Render date: 2024-11-11T08:45:21.572Z Has data issue: false hasContentIssue false

On some properties of the scan statistic on the circle and the line

Published online by Cambridge University Press:  14 July 2016

Noel Cressie*
Affiliation:
The Flinders University of South Australia

Abstract

The scan statistic is defined as the supremum of a particular continuous-time stochastic process, and is used as a test statistic for testing uniformity against a simple clustering type of alternative. Its distribution under the null hypothesis is investigated and weak convergence of the stochastic process to the appropriate Gaussian process is proved. An interesting link is forged between the circular scan statistic and Kuiper's statistic, which rids us of the trouble of estimating a nuisance parameter. Distributions under the alternative are then derived, and asymptotic power comparisons are made.

Type
Research Papers
Copyright
Copyright © Applied Probability Trust 1977 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Ajne, B. (1968) A simple test for uniformity of a circular distribution. Biometrika 55, 343354.Google Scholar
Anderson, T. W. and Darling, D. A. (1952) Asymptotic theory of certain “goodness of fit” criteria based on stochastic processes. Ann. Math. Statist. 23, 193212.Google Scholar
Barr, D. R. and Shudde, R. H. (1973) A note on Kuiper's Vn statistic. Biometrika 60, 663664.Google Scholar
Billingsley, P. (1968) Convergence of Probability Measures. Wiley, New York.Google Scholar
Huntington, R. J. and Naus, J. I. (1975) A simpler expression for kth nearest neighbour coincidence probabilities. Ann. Prob. 3, 894896.CrossRefGoogle Scholar
Kuiper, N. H. (1960) Tests concerning random points on a circle. Proc. K. Ned. Akad. Wet. A 63, 3847.Google Scholar
Naus, J. I. (1965) The distribution of the size of the maximum cluster of points on a line. J. Amer. Statist. Assoc. 60, 532538.Google Scholar
Naus, J. I. (1966a) Some probabilities, expectations and variances for the size of largest clusters and smallest intervals. J. Amer. Statist. Assoc. 61, 11911199.CrossRefGoogle Scholar
Naus, J. I. (1966b) A power comparison of two tests of non random clustering. Technometrics 8, 493517.Google Scholar
Rothman, E. (1969) Properties and Applications of Test Statistics Invariant Under Rotation of a Circle. Ph.D. Dissertation, The Johns Hopkins University.Google Scholar
Rothman, E. (1972) Tests for uniformity of a circular distribution. Sankhya A 34, 2332.Google Scholar
Stephens, M. A. (1965) The goodness of fit statistic Vn: distribution and significance points. Biometrika 52, 309321.Google Scholar