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Development triangle of a mortgage guarantee business
data(Mortgage)
A matrix with 9 accident years and 9 development years.
See table 4 in: Distribution-free Calculation of the Standard Error of Chain Ladder Reserve Estimates, Thomas Mack, 1993, ASTIN Bulletin 23, 213 - 225
Mortgage Mortgage plot(Mortgage) plot(Mortgage, lattice=TRUE)
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