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Lumifer comments on Open thread, September 15-21, 2014 - Less Wrong Discussion

6 Post author: gjm 15 September 2014 12:24PM

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Comment author: Lumifer 16 September 2014 03:11:00PM 5 points [-]

We managed to reduce...

Not quite reduce. We managed to develop certain approximations which, albeit crude, work sufficiently well for some purposes. Of course, not all purposes.

I seem to recall that BMI and/or WHR tend to be excellent predictors of physical health.

I seem to recall they tend not. In particular, BMI is a flawed indicator as it has a pronounced bias for short and tall people.

these predictions can further be improved

Which "these predictions" -- what are you forecasting?

Comment author: hyporational 18 September 2014 04:25:51AM 1 point [-]

In particular, BMI is a flawed indicator as it has a pronounced bias for short and tall people.

And muscular people. What's wrong with WHR?

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