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Comment Re:That's not the whole picture (Score 1) 288

The fact is that if 20% have it already, many many more people than that 20% who were infected and produced anti-bodies have been exposed - and didn't get infected.>

If they don't have antibodies, that definitionally means they're still at risk from subsequent exposures to the virus. Yes, it's possible to not get sick after an initial exposure, but that doesn't mean you're immune. It just means you were lucky.

Comment Re:Buy a house now! (Score 1) 268

I'm not sure why there is a trend to rent rather than own.

Where I live, the cost of rental is far less than the all-in cost of buying at current prices (including taxes, maintenance, opportunity cost of capital). Also, I expect to move in a few years and the transaction costs of selling and buying a home would be onerous over that timeframe.

Comment Re:I graduated high-school around 220 lbs. (Score 1) 526

220lb is obese. Even 170lbs is pushing it. Americans don't know what hunger is, and are completely out of touch with reality. And yes, I am American.

Whether or not some number is too much varies wildly by individual and how athletic they are. When I was in college I was lifting weights five days a week and was 200+ lbs with six pack abs (10% body fat). I'm only 5' 10''.

Statistics like BMI are pretty much useless when applied to individuals.

Comment Re:All Machine Learning systems have an error rate (Score 2) 70

Also, most ML algorithms of this type produce a continuous score and not a binary Yes/No classification. Human users/customers provide a score cutoff that gives an acceptable confusion matrix for their use case.

Alternatively stated, the machine does not say "Bob is lying", rather, "I think Bob is lying with X confidence".

Comment Re:You're wrong. They ARE being forced. (Score 3, Insightful) 314

and thus people are being forced to live in an increasingly dire situation

No one is forcing tech employees to come to SF and compete with each other to push rents into the stratosphere. I'm not denying the role of SF government in the supply/demand disconnect, but rents would not be where they are if people simply refused to pay that much.

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Politics: A strife of interests masquerading as a contest of principles. The conduct of public affairs for private advantage. -- Ambrose Bierce

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