Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Library: finance
See also: taills

Macro: hill
Description: Estimates the tail index of fat-tailed distributions

Reference(s):

Usage: a = hill(x,m)
Input:
x (n*p) matrix
m scalar
Output:
a p-vector giving for each column of x the inverse of the Hill estimate, i.e., the tail index

Example:
library("finance")
randomize(0)
x=normal(1000,2)
hill(x,10)
Result:
Contents of a
[1,]   5.9057 
[2,]   5.9285 

Library: finance
See also: taills

Keywords - Function groups - @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Author: Christian Hafner, 981110
(C) MD*TECH Method and Data Technologies, 17.8.2000