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Suicides and the lunar cycle
J M Gutiérrez-García1, F Tusell
1Departamento de Estadística y Econometría, Facultad de Ciencias Económicas y Empresariales, Universidad del País Vasco, Bilbao, Spain.
Abstract:
The existence of lunar influence on the frequency of suicide is tested by means of a permutation test. A total of 897 suicide deaths reported by the Anatomical Forensic Institute of Madrid were analyzed by a permutation test, a direct application of Fisher's ideas. Noteworthy in this study are the testing method used and the accuracy of timing of the deaths. Both factors provide firm ground for our conclusion: there appears to be no relationship between lunar phases and suicide.
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