Poisson distribution applied to suicide data

Thomas J P Verberne, clinical neuropsychologist (ret.),
November 04, 2013

More than half a century ago, M. J. Moroney pointed out that ". . . the Poisson distribution may only be applied in cases where the expectation, z, is constant from trial to trial. Thus, it does not apply to the number of suicides per year in a given community, because the temptation to commit suicide varies with the stress of the times, . . ." (Facts from figures, 1956, pp 100-101.

Conflict of Interest:

None declared

Conflict of Interest

None declared