tii {precintcon} | R Documentation |
Temporaly Irregularity Index
Description
It calculates the temporaly irregularity index according to the function sum(log(Pi+1/Pi))/(n-1), where Pi is the precipitation amount of year i, and n is the number of years.
Usage
tii(object)
Arguments
object |
is a daily or monthly precipitation serie |
Details
Daily or monthly precipitation series are transformed to annual series.
Value
the temporaly irregularity index according to the function sum(log(Pi+1/Pi))/(n-1)
Author(s)
Lucas Venezian Povoa
Examples
##
# Loading the monthly precipitation serie
data(monthly)
##
# Calculationg the Temporaly Irregularity Index
tii(monthly)
[Package precintcon version 2.3.0 Index]