simPop (version 1.1.1)

sprague: Sprague index (multipliers)

Description

Using the Sprague multipliers, the age counts are estimated for each year having 5-years interval data as input.

Usage

sprague(x)

Arguments

x

numeric vector of age counts in five-year intervals

Value

Population counts for age 0, 1, 2, 3, 4, ..., 78, 79, 80+.

Details

The input is population counts of age classes 0-4, 5-9, 10-14, ... , 77-74, 75-79, 80+.

References

G. Calot and J.-P. Sardon. Methodology for the calculation of Eurostat's demographic indicators. Detailed report by the European Demographic Observatory

http://www.cedefop.europa.eu/files/Methodology_for_the_calculation_of_Eurostats_demographic_indicators.pdf

See Also

whipple

Examples

# NOT RUN {
## example from the world bank
x <- data.frame(age=as.factor(c(
  "0-4",
  "5-9","10-14","15-19", "20-24",
  "25-29","30-34","35-39","40-44","45-49",
  "50-54","55-59","60-64","65-69","77-74","75-79","80+"
    )),
  pop=c(1971990, 2095820,2157190, 2094110,2116580,   2003840, 1785690,
        1502990, 1214170, 796934,  627551,  530305, 488014,
        364498, 259029,158047,  125941)
)

s  <- sprague(x[,2])
s
  
all.equal(sum(s), sum(x[,2]))

# }