http://istobe.com/blog/2008/07/02/holdout-testing-succeeds-where-matchback-analysis-fails/ Thu, 09 Sep 2010 12:18:02 +0000 http://wordpress.org/?v=2.6 http://istobe.com/blog/2008/07/02/holdout-testing-succeeds-where-matchback-analysis-fails/#comment-287 Customer Analytics: A Guide to Getting Started (part 6) Wed, 29 Oct 2008 17:39:18 +0000 http://www.igniteanalytics.com/wordpress/?p=48#comment-287 [...] acting on the results (we discussed what is an appropriate test group size in an earlier post about holdout testing. You can also use the excellent sample size calculator from Raosoft). We then send each sample [...] [...] acting on the results (we discussed what is an appropriate test group size in an earlier post about holdout testing. You can also use the excellent sample size calculator from Raosoft). We then send each sample [...]

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