cumulative to incremental claims triangle

Transforms a cumulative triangle or matrix into an incremental triangle or matrix.

Usage

cum2inc(cum_triangle)

Arguments

cum_triangle

numeric matrix

Value

numeric matrix

Examples

cum2inc(matrix(c(1000, 800, 1200, 1200, 900, 1200, 1300, 900, 1200), 3))
#>      [,1] [,2] [,3]
#> [1,] 1000  200  100
#> [2,]  800  100    0
#> [3,] 1200    0    0