Is there a function in R for calculating empirical cumulative distribution functions, i.e. the inverse of the quantile function? Perhaps in some library? I'd hate to have to re-invent the wheel.
see ecdf in the stepfun package -- St�phane DRAY --------------------------------------------------------------- Biom�trie et Biologie �volutive - Equipe "�cologie Statistique" Universite Lyon 1 - Bat 711 - 69622 Villeurbanne CEDEX - France
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