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eq: 2.22 subscript missing for y_i (digital edition, cannot confirm for printed) #10
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Realized that there is a couple of those in the kindle edition, I guess that this won't be the case in the printed one. |
Thanks keblu! Where else did you catch these? |
log(yt) = α + βtt + βmt + εt in that case there is two time β without subscript (indicating that this is the same coefficient), βtt is a bit strange since obviously t at index t will be t, it should probably be simply βt, and εt should be εt.
A bit after that you have: The errors appear to be correlated over time, such that εt is related to εt-1. That relationship violates our basic independence assumption, which holds that εi ⟂⟂ εj for all i ≠ j. should probably be: The errors appear to be correlated over time, such that εt is related to εt-1. That relationship violates our basic independence assumption, which holds that εi ⟂ εj for all i ≠ j.
AR(p): Yt= β0+ β1Yt-1 + ... + + βpYt-p + ε. there is a missing subscript on ε, should be εt
suppose you have data [x1,y1]...[xn,yn] should be: suppose you have data [x1,y1]...[xn,yn]
λ1> λ2... > λT should probably be: λ1> λ2>... > λT For now that is about it. Again, I don't have the printed edition so I am not sure if some of those are because of the Kindle app. |
Thanks! Massively helpful. If you find more please put them here. Subscript errors were a nightmare in production and we obviously didn’t catch them all. Appreciate the edits. Hope you like the book! |
Small subscript missing in equation 2.22
In the digital edition (maybe printed also) we have:
lhd = Πni=1 p(yi | xi) =Πni=1 piyi(1-pi)1-yi
should be:
lhd = Πni=1 p(yi | xi) =Πni=1 piyi(1-pi)1-yi
Note the added subscript at piyi instead of piyi
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