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Does anyone care about this besides me?

Posted By: Nack Ballard
Date: Sunday, 17 October 2010, at 10:02 p.m.

In Response To: Does anyone care about this besides me? (GeorgeMJ)

If it is a matter of equity, most of the time I deal in thousandths of a point: .001, .002, etc. Indeed, I consider it the standard unit for nacbracs. (When I occasionally want to represent a fourth decimal place, it becomes my first decimal place.)

But this thread has to do with CIs (Confidence Intervals). When doing long rollouts, it's nice to know if a 95% certainty within .002 means actually means within .0015 or within .0025. One might want to cross-compare the CIs between rollouts or between rollouts of different bots.

When a rollout's trials are doubled, it's annoying to see the CI either at the same level or to reduce disproportionately when if it is working properly it should reduce by the square route of 2. The effect of rounding at the lower levels makes it impossible to perform certain types of verifications.

Nack

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