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st: Computing differences in probability of type-one error for different samples
From
George Murray <[email protected]>
To
[email protected]
Subject
st: Computing differences in probability of type-one error for different samples
Date
Thu, 17 May 2012 03:27:29 +1000
Statalisters,
Suppose I run a certain model ~1000 times, but a different sample is
used each type the model is run. The statistical significance of one
of the variables is tested for *all* of the ~1000 models. I am aware
that the (of course, arbitrarily chosen) significance level can be
used to find the probability that a type I error has been made but
obviously, the probability of type-I error will not be uniform across
each of the models where the null is rejected. Is it then possible to
use Stata to compute the probability of that a type I error has been
made (or is the only solution Bayesian techniques?)
Is it blasphemous to use the p-value (such that the differing
probabilities of a type-I error is adjusted for) as an approximation,
given that I have no a priori information? Is anyone aware of any
applied papers which have (rightly or wrongly) used this to
approximate that a type-I error has been made? Since the same model is
used, is it possible that the p-value is inversely related to the
probability of a type-I error. (Apologies if this question sounds
really silly).
Regards,
George.
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