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Dec 16, 2023 at 17:04 comment added whuber @ThegoatKonan Thank you for noticing that. I have fixed this evident typographical error by changing "$X$" to "$\beta.$"
Dec 16, 2023 at 17:04 history edited whuber CC BY-SA 4.0
added 4 characters in body
Dec 16, 2023 at 3:41 comment converted from answer The goat Konan My contribution is to add a little correction on Digio contribution. First of all, thank for your answer, it is very clear. It is not a particular comment but the fact that it is not $ X $ we are going to find but the vector $\beta$ who minimize the quantity $$ \mathbb{E} [ (Y - X \beta )^ 2 | X ] $$
S Nov 23, 2018 at 10:24 history suggested Digio CC BY-SA 4.0
Minor grammar fixes
Nov 23, 2018 at 9:39 review Suggested edits
S Nov 23, 2018 at 10:24
Oct 9, 2016 at 0:13 vote accept rannoudanames
Oct 9, 2016 at 0:13 comment added rannoudanames Alright!, I understand now why the prof mentioned that the ORM can be more appropriate when there is uncertainties with both variables.
Oct 9, 2016 at 0:06 history answered measure_theory CC BY-SA 3.0