Re: Dice
Re: Dice
- Subject: Re: Dice
- From: "Adam K. Wuellner" <email@hidden>
- Date: Tue, 26 Oct 2004 15:29:31 -0500
On Oct 26, 2004, at 1:28 PM, Graff wrote:
A perfectly even distribution would be for every value to show up the
same number of times. In that case the std deviation would be 0.
A standard deviation of 0 would imply that all the values in the sample
are identical. Perfectly even distributions would have no bell-curve,
but rather a flat line, and the concept of standard deviation sort of
breaks in that case, as I understand it.
I'm not sure std. dev. is a good way to check for randomness, anyway.
I remember something about chi-square test results being advertised
with dice in the Dungeons and Dragons magazines I read in my younger
days, but haven't ever performed the calculation nor would I know how
to implement it in AS.
Googling for 'testing randomness' (at least unquoted) turns up several
interesting sites, as well as some links to (mostly C) source code for
serious tests from NIST and others.
- Adam
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| References: | |
| | >Re:Dice (From: Kevin <email@hidden>) |
| | >Re: Dice (From: Adrian Milliner <email@hidden>) |
| | >Re: Dice (From: Robert Poland <email@hidden>) |
| | >Re: Dice (From: Graff <email@hidden>) |
| | >Re: Dice (From: Emmanuel <email@hidden>) |
| | >Re: Dice (From: Graff <email@hidden>) |