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st: one tailed F statistics from TEST
I want to compare the difference between two coefficients from a linear
regression. The STATA command TEST gives me a F statistic from a Wald test.
If I have a direction prediction of the two coefficients, can I convert the
p-vlaue from the F statistics from two tailed to one tailed, despite the F
distribution is not symmetric? Or I have to convert the F into a t
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