chain ladder factor — cl_factor • sicr

calculating the chain-ladder factor for a given development year and claims triangle

Usage

cl_factor(triangle, dev_year, volume = NULL)

Arguments

triangle: cumulative claims triangle. An (mxn)-matrix where only the upper left triangle (including diagonal) will be used
dev_year: development year to calculate chain ladder factor for. An Integer > 0
volume: Number of newest calendar years to be used. Default: NULL, An Integer > 0 or NULL for no limitation

Value

A number

Examples

cl_factor(matrix(c(1000, 800, 1200, 1200, 900, 1200, 1300, 900, 1200), 3), 1)
#> [1] 1.166667