Hi, in which R-package I could find skewness and kurtosis measures for a distribution?
I built some functions: gamma1<-function(x) { m=mean(x) n=length(x) s=sqrt(var(x)) m3=sum((x-m)^3)/n g1=m3/(s^3) return(g1) } skewness<-function(x) { m=mean(x) me=median(x) s=sqrt(var(x)) sk=(m-me)/s return(sk) } bowley<-function(x) { q<-as.vector(quantile(x,prob=c(.25,.50,.75))) b=(q[3]+q[1]-2*q[2])/(q[3]-q[2]) return(b) } b3<-function(x) { m=mean(x) me=median(x) n=length(x) d=sum(abs(x-me))/n b=(m-me)/d return(b) } but I'm looking for some already included in a package. Thanks in advance. Best Vito ===== Diventare costruttori di soluzioni "The business of the statistician is to catalyze the scientific learning process." George E. P. Box Visitate il portale http://www.modugno.it/ e in particolare la sezione su Palese http://www.modugno.it/archivio/cat_palese.shtml ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html