# Arcsine distribution

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A probability measure on the real line whose density is zero outside the interval and is if . The corresponding distribution function is equal to for .

The generalized arcsine distribution is employed together with the arcsine distribution. To the generalized arcsine distribution corresponds the distribution function with density

if . The density coincides with the density of the arcsine distribution. The generalized arcsine distribution is a special case of the beta-distribution. The first-order moment of the generalized arcsine distribution is , and its variance is . The arcsine distribution and the generalized arcsine distribution occur in the study of the fluctuations of random walks, in renewal theory (cf. Arcsine law), and are used in mathematical statistics as special cases of the beta-distribution.

#### References

 [1] W. Feller, "An introduction to probability theory and its applications" , 1–2 , Wiley (1957–1971) [2] M.G. Kendall, A. Stuart, "The advanced theory of statistics. Distribution theory" , 3. Design and analysis , Griffin (1969)
How to Cite This Entry:
Arcsine distribution. Encyclopedia of Mathematics. URL: http://www.encyclopediaofmath.org/index.php?title=Arcsine_distribution&oldid=18892
This article was adapted from an original article by B.A. Rogozin (originator), which appeared in Encyclopedia of Mathematics - ISBN 1402006098. See original article