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courses:rg:2012:sigtest-mt [2012/11/12 17:36]
tamchyna 		courses:rg:2012:sigtest-mt [2012/11/12 17:43] (current)
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 Answering Question 4: A is better with 97% confidence (and at least as good with 98% confidence). Answering Question 4: A is better with 97% confidence (and at least as good with 98% confidence).
  
-We don't think this corresponds to confidence -- it's just the proportion of times that A beat B, a kind of ML estimate.+We don't think this corresponds to confidence -- it's just the proportion of times that A beat B, a kind of ML estimate. In fact, we could use the differences between systems as input for a paired t-test (and get a true confidence interval).
  
 Notes on p-value: concepts of confidence intervals/significance testing were developed independently by different researches, then they were somehow merged. P-value is often misunderstood and misused. Notes on p-value: concepts of confidence intervals/significance testing were developed independently by different researches, then they were somehow merged. P-value is often misunderstood and misused.

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