bobdosherman

5 ms·

1.
by bobdosherman 1y ago
Writing sharpens your thoughts. Working math problems sharpens your ability to do math. In the context of the education system though, where grades are a signal of future ability, there's a strong incentive to engage in rent-seeking by
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by bobdosherman 3y ago
There are way too many link-in-bio products out there that all do relatively the same thing
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by bobdosherman 3y ago
I used call point-and-click statistical software (like JMP) was the same as giving people who didn't know what they were doing a loaded gun. But democratizing access to advanced statistics...yada yada...who cares about asymptotic theor
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by bobdosherman 5y ago
- Slide 38 has inconsistent signs for their cost of revenue line. Come on GS...you guys are left-lead. - They love to highlight their LTV/CAC ratio, so let me say that their choice of LTV definition is not ideal (footnote 1 on slide 19
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by bobdosherman 5y ago
There also seems to be confusion that ESPN+ is equivalent to ESPN, but ESPN+ does not carry the linear programming of ESPN. Using part of the $15 YouTube TV discount to purchase ESPN+ will not make you whole on the lose of ESPN - still no l
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by bobdosherman 5y ago
If I estimate a model to predict an anomaly using data that never has any realized anomalies, how well will that model do out-of-sample? While framing this as a bad unrestricted ROE maximization problem is a nice simplification, it's n
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by bobdosherman 5y ago
A lot of this comes down to preferences, and my preference ordering would be: Ads that attempt to take me all the way from browsing-->discovery-->potential purchase-->purchase I view as always bad. Leave me alone while I'm bro
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by bobdosherman 6y ago
Could also cross-subsidize by being a sub-affiliate network as part of an affiliate network. Company earns percentage of affiliate commissions produced by in-network links, which subsidize the non-commissionable out-of-network links (and no
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by bobdosherman 6y ago
Linear regression does not require errors to be iid, normal, and homoscedastic for it to "work". One of the ways to separate candidates is to push on what (and how) assumptions can be weakened, what the consequences are for estima