{"name":"life.tab","title":"Life table","pagetitle":"Life table — life.tab","aliases":"life.tab","author":[],"keywords":"life-table","description":"

Performs a regular life table from a dataframe with ages and number of death individuals.

","usage":"life.tab(x, n = 1000)","arguments":[{"name":"x","description":"

A dataframe withtwo columns: Ages and number of deaths.

"},{"name":"n","description":"

Inicial number of individuals in the theoretical population.

"}],"has_args":true,"examples":"# NOT RUN {\nlife.tab(cetaceans)\n\n# }\n","sections":[],"value":"

A dataframe with nine columns:

age

Age at the beginning of the interval.

Number of observed deaths at age x.

Number of survivors at age x in the observed cohort of sum(length(M)) individuals.

Number of survivors at age x in a theoretical cohort starting with n individuals.

Number of deaths at age x in a theoretical cohort starting with n individuals.

Probability of death between ages x and x + n.

Probability of survival to exact age x.

Life expectancy at age x.

Instant death rate at age x

\n","details":"

Constructs a cohort life table from a dataframe with age classes and enumerated deaths.

","references":"

Preston, S.H., Heuveline, P. and Guillot, F. (2001). Demography: Measuring and modeling population processes. Oxford: Blackwell.

","package":{"package":"strandCet","version":"1.0"}}

Description

Usage