Wednesday, March 15, 2006

Re: st: Re: one sided test

At 03:44 PM 3/15/2006, Christer Thrane wrote: >. test mpg- rep78=0 > >( 1) mpg - rep78 = 0 > > F( 1, 66) = 6.46 > Prob > F = 0.0134

But since he wants 1-tailed, he should also (a) make sure the difference is in the predicted direction, and if so (b) divide the reported sig. level by 2. So, in this case, the sig. level is .0134/2 = .0067.

------------------------------------------- Richard Williams, Notre Dame Dept of Sociology OFFICE: (574)631-6668, (574)631-6463 FAX: (574)288-4373 HOME: (574)289-5227 EMAIL: Richard.A.Williams.5@ND.Edu WWW (personal): http://www.nd.edu/~rwilliam WWW (department): http://www.nd.edu/~soc

* * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/


Tag:


Links to this post:

Create a Link



<< Home

This page is powered by Blogger. Isn't yours?