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Run-off triangle of a worker's compensation portfolio of a large company

Usage

data(ABC)

Format

A matrix with 11 accident years and 11 development years.

Source

B. Zehnwirth and G. Barnett. Best Estimates for Reserves. Proceedings of the CAS. Volume LXXXVII. Number 167. November 2000.

Examples

ABC
#>       dev
#> origin      1       2       3       4      5      6       7       8       9
#>   1977 153638  342050  476584  564040 624388 666792  698030  719282  735904
#>   1978 178536  404948  563842  668528 739976 787966  823542  848360  871022
#>   1979 210172  469340  657728  780802 864182 920268  958764  992532 1019932
#>   1980 211448  464930  648300  779340 858334 918566  964134 1002134      NA
#>   1981 219810  486114  680764  800862 888444 951194 1002194      NA      NA
#>   1982 205654  458400  635906  765428 862214 944614      NA      NA      NA
#>   1983 197716  453124  647772  790100 895700     NA      NA      NA      NA
#>   1984 239784  569026  833828 1024228     NA     NA      NA      NA      NA
#>   1985 326304  798048 1173448      NA     NA     NA      NA      NA      NA
#>   1986 420778 1011178      NA      NA     NA     NA      NA      NA      NA
#>   1987 496200      NA      NA      NA     NA     NA      NA      NA      NA
#>       dev
#> origin     10     11
#>   1977 750344 762544
#>   1978 889022     NA
#>   1979     NA     NA
#>   1980     NA     NA
#>   1981     NA     NA
#>   1982     NA     NA
#>   1983     NA     NA
#>   1984     NA     NA
#>   1985     NA     NA
#>   1986     NA     NA
#>   1987     NA     NA
plot(ABC)

plot(ABC, lattice=TRUE)