typo in R online manual (PR#7200)
There is a mistake on the "Weibull Distribution" (base package) help page in the online docs (http://docs.stat.ufl.edu/R/doc/html/). The formula for Var(X) should have Gamma(1 + 1/a)^2 in place of Gamma(1 + 1/a).
Alex Trindade Assistant Professor of Statistics University of Florida http://www.stat.ufl.edu/personnel/usrpages/trindade.shtml