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Old Today, 10:48 AM
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Unrealistic Ace Unrealistic Ace is offline
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Originally Posted by yerromnitsuj View Post
Don't try to understand what the hat matrix actually is. The paper does nothing to explain what it is or how it is derived and you're not going to be tested on that. Just know how to apply it.
"Unfortunately, no one can be...told what the Matrix is. You have to see it for yourself."
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Old Today, 11:34 AM
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Originally Posted by therealsylvos View Post
So just to make sure I'm not missing anything...

In Hurlimann the only difference from Mack (aside from using LRs as opposed Losses) is that Mack's Benktader or U(2) or whatever is based on a BF prior, whereas Hurlimann uses a Cape Cod instead?
Hürlimann also includes a formula for MSE of the reserve estimate. It's hidden among the "proofs" that CAS claims you don't need to know. If you think that makes the MSE formula untestable, perhaps I can interest you in this beer I've been holding since the 2018 exam.
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Old Today, 12:05 PM
act_123 act_123 is online now
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That question wasn't as bad as the Mack standard a and b question with the formulas that weren't even in the paper
ACAS 7 8 9
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