Hello! I need some help. How I know it to draw the formula of the poisson distribution?
expr<-expression(P(xi == k) == frac(lambda^k, factorial(k))*e^-lambda) ---> not good on the screen the " k! " not the Poisson Formula, but "factorial(k)" Thanx! [[alternative HTML version deleted]] ______________________________________________ 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.