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Re: variance reduction [Was Re: [Bug-gnubg] Measuring performance levels
From: |
nis |
Subject: |
Re: variance reduction [Was Re: [Bug-gnubg] Measuring performance levels] |
Date: |
Mon, 28 Oct 2002 18:53:37 +0100 |
On 24 Oct 2002 at 18:31, Joern Thyssen wrote:
> Sorry, I meant: "... since it requires 21 n-1 ply evaluations".
>
> BTW, is this actually necesary: we just want an estimate of the luck of
> the given roll. Would it be sufficient to do a 0-ply evaluation of the
> luck, or would that introduce bias?
A 0-ply variance reduction should be fine - it will of course be less
effective than a 2-ply, but also very much faster. The entire point
is that you can add anything which averages to 0.
I don't remember the context where Douglas asked for 2-ply VR -
perhaps there was a reason?
--
Nis Jorgensen
Van Bossestraat 29 1, 1051 JS Amsterdam
Home Mobile: +31 (6) 1496 3629
Work: +31 (20) 52 36 202
- RE: [Bug-gnubg] Measuring performance levels, (continued)
- RE: [Bug-gnubg] Measuring performance levels, Albert Silver, 2002/10/23
- Re: [Bug-gnubg] Measuring performance levels, Joern Thyssen, 2002/10/23
- Re: [Bug-gnubg] Measuring performance levels, Morten Wang, 2002/10/23
- Re: [Bug-gnubg] Measuring performance levels, Joseph Heled, 2002/10/23
- Re: [Bug-gnubg] Measuring performance levels, Morten Wang, 2002/10/24
- Re: [Bug-gnubg] Measuring performance levels, Douglas Zare, 2002/10/24
Re: [Bug-gnubg] Measuring performance levels, Douglas Zare, 2002/10/23
- Re: [Bug-gnubg] Measuring performance levels, Joseph Heled, 2002/10/23
- Re: [Bug-gnubg] Measuring performance levels, Joern Thyssen, 2002/10/24
- variance reduction [Was Re: [Bug-gnubg] Measuring performance levels], Joern Thyssen, 2002/10/24
- Re: variance reduction [Was Re: [Bug-gnubg] Measuring performance levels],
nis <=
- Re: variance reduction [Was Re: [Bug-gnubg] Measuring performance levels], Joern Thyssen, 2002/10/28
- Re: variance reduction [Was Re: [Bug-gnubg] Measuring performance levels], nis, 2002/10/29
Re: variance reduction [Was Re: [Bug-gnubg] Measuring performance levels], Douglas Zare, 2002/10/28
Re: [Bug-gnubg] Measuring performance levels, Morten Wang, 2002/10/24
Re: [Bug-gnubg] Measuring performance levels, Morten Wang, 2002/10/25