Hello, > > I want to estimate parameter of weibull distribution using mle for below > density function, > The PDF is, > f(x) = b a^-b x^(b-1) exp -(x/a)^b > > In R ,density of the weibull distribution is, > f(x) = (a/b) (x/b)^(a-1) exp(- (x/b)^a) > > which is different from my density, >
Is this homework? It seems you need to learn (portuguese) 8th grade math: your 'a' in R is 'b' and your 'b' in R, 'a'. Mathematically, they are exactly the same... Rui Barradas -- View this message in context: http://r.789695.n4.nabble.com/Weibull-Distribution-tp4373016p4373198.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.