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Variance reduction is unbiased but may be skewed

Posted By: Timothy Chow
Date: Sunday, 12 April 2015, at 6:31 p.m.

In Response To: Variance reduction is unbiased but may be skewed (Tom Keith)

Tom Keith wrote:

Also, don't non-VR rollouts also have skewing?

Yes, as I think about it more, maybe the skew (if any) affects non-VR rollouts more than VR rollouts and the VR actually reduces the skew. Have to think about this more.

Messages In This Thread

• Variance reduction is unbiased but may be skewed
  Timothy Chow -- Friday, 10 April 2015, at 11:42 p.m.
  • Variance reduction is unbiased but may be skewed
    Phil simborg -- Saturday, 11 April 2015, at 1:22 a.m.
    • Variance reduction is unbiased but may be skewed
      Timothy Chow -- Saturday, 11 April 2015, at 3:38 p.m.
  • Variance reduction is unbiased but may be skewed
    Bob Koca -- Saturday, 11 April 2015, at 2:01 a.m.
  • Variance reduction is unbiased but may be skewed
    David Rockwell -- Saturday, 11 April 2015, at 2:20 a.m.
    • Variance reduction is unbiased but may be skewed
      Timothy Chow -- Saturday, 11 April 2015, at 4:06 p.m.
  • Variance reduction is unbiased but may be skewed
    Maik Stiebler -- Saturday, 11 April 2015, at 7:31 a.m.
    • Variance reduction is unbiased but may be skewed
      Timothy Chow -- Saturday, 11 April 2015, at 4:19 p.m.
      • Variance reduction is unbiased but may be skewed
        Tom Keith -- Saturday, 11 April 2015, at 6:34 p.m.
        • Variance reduction is unbiased but may be skewed
          Timothy Chow -- Sunday, 12 April 2015, at 6:31 p.m.
  • Variance reduction is unbiased but may be skewed
    Ray Kershaw -- Saturday, 11 April 2015, at 8:39 a.m.
    • Variance reduction is unbiased but may be skewed
      Timothy Chow -- Saturday, 11 April 2015, at 4:24 p.m.