% Generated by roxygen2: do not edit by hand
% Please edit documentation in R/chapter16_universal_life.R
\name{iMA_eiul}
\alias{iMA_eiul}
\title{Monthly-average index growth rate}
\usage{
iMA_eiul(index)
}
\arguments{
\item{index}{Numeric vector of length 13 containing the initial index value
followed by the 12 monthly closing values.}
}
\value{
Numeric scalar.
}
\description{
Computes the monthly-average index growth rate from an initial index value
and 12 monthly closing values, matching Equation (16.13).
}
\examples{
idx <- c(1000, 1020, 1100, 1150, 1080, 1040, 960, 1030, 1000, 1070, 1150, 1200, 1150)
iMA_eiul(idx)

}
