Actuarial Outpost > CAS CAS Exam 7 Spring 2019 Progress Thread
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#611
Today, 10:48 AM
 Unrealistic Ace Member CAS Join Date: Nov 2017 Posts: 125

Quote:
 Originally Posted by yerromnitsuj 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."
#612
Today, 11:34 AM
 manaknight14 Member CAS Join Date: Nov 2012 Location: 0100111001001010 Studying for Exam 7 College: tDEC survivor Favorite beer: Capt'n Eli's root Posts: 1,181

Quote:
 Originally Posted by therealsylvos 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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#613
Today, 12:05 PM
 act_123 Member CAS Join Date: Dec 2013 Posts: 3,787

That question wasn't as bad as the Mack standard a and b question with the formulas that weren't even in the paper
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