Wednesday, March 15, 2006

st: Re: one sided test

How about:

use "C:\data\auto.dta", clear (1978 Automobile Data)

. reg price mpg rep78

Source | SS df MS Number of obs = 69 -------------+------------------------------ F( 2, 66) = 11.06 Model | 144754063 2 72377031.7 Prob > F = 0.0001 Residual | 432042896 66 6546104.48 R-squared = 0.2510 -------------+------------------------------ Adj R-squared = 0.2283 Total | 576796959 68 8482308.22 Root MSE = 2558.5

------------------------------------------------------------------------------ price | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- mpg | -271.6425 57.77115 -4.70 0.000 -386.9864 -156.2987 rep78 | 666.9568 342.3559 1.95 0.056 -16.5789 1350.492 _cons | 9657.754 1346.54 7.17 0.000 6969.3 12346.21 ------------------------------------------------------------------------------

. test mpg- rep78=0

( 1) mpg - rep78 = 0

F( 1, 66) = 6.46 Prob > F = 0.0134

----- Original Message ----- From: "y erc" <yerceylan@hotmail.com> To: <statalist@hsphsun2.harvard.edu> Sent: Wednesday, March 15, 2006 9:21 PM Subject: st: one sided test

> Hi > > I am regressing y on x1, x2, using "reg" command. I would like to test if > b1<b2 (cefficents of x1 and x2) is significant. Can you please help me how > I can do this one sided test using stata? I mean is there a command for > this? > > Thanks > > _________________________________________________________________ > Don't just search. Find. Check out the new MSN Search! > http://search.msn.click-url.com/go/onm00200636ave/direct/01/ > > * > * 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/ > > >

* * 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/


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