lifecontingencies (version 0.0.3)

exn: Function/method to calculate the expected life.

Description

This method calculates the expected life span between x and x+n.

Usage

exn(object, x, n)

Arguments

object

A lifetable object.

x

Age from which the life span should be calculated.

n

Time until which the expected life should be calculated. Assumed omega - x whether missing.

Value

• A numeric value representing the expected life span.

Warning

The function is provided as is, without any warranty regarding the accuracy of calculations. The author disclaims any liability for eventual losses arising from direct or indirect use of this software.

References

Actuarial Mathematics (Second Edition), 1997, by Bowers, N.L., Gerber, H.U., Hickman, J.C., Jones, D.A. and Nesbitt, C.J.

See Also

lifetable

Examples

#loads and show
	data(demoita)
	head(demoita)
	#creates ips55 life and actuarial table
	lxIPS55M<-with(demoita, IPS55M)
	pos2Remove<-which(lxIPS55M	lxIPS55M<-lxIPS55M[-pos2Remove]
	xIPS55M<-seq(0,length(lxIPS55M)-1,1)
	#create the table
	IPS55Mlt=new("lifetable",x=xIPS55M,lx=lxIPS55M,name="IPS55M")
	#shows number of death between 90 and 92
	dxt(object=IPS55Mlt, x=90, t=2)