An improved unifying density function

G. R. Waissi

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


This paper presents an improved and simplified version of the unifying probability density function of [1]. The improved unifying density function is shown to be the parent of the Rayleigh distribution in addition to the Weibull-, gamma-, Erlang-, χ2- and exponential distributions. The means and variances of the relating child distributions can be found easily by substitution using the established relationships.

Original languageEnglish (US)
Pages (from-to)71-73
Number of pages3
JournalApplied Mathematics Letters
Issue number5
StatePublished - Sep 1994
Externally publishedYes


  • Positive density functions
  • Probability densities
  • Probability distributions

ASJC Scopus subject areas

  • Applied Mathematics


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