[R] Test if beta is different from something other than 0

John Fox jfox at mcmaster.ca
Thu Jan 10 17:20:26 CET 2002


Dear Corey,

The linear.hypothesis function in the car package will test any linear 
hypothesis. But the standard summary output for a linear model gives you 
the coefficient, its standard error, and the residual df, so why not just 
compute your own t, and use pt to get the p-value?

John

At 07:46 AM 1/10/2002 -0600, you wrote:
>Is there a function/package that will allow you to test the hypothesis beta1
>= x in a
>simple linear regression, where x is a constant?  The AOV tests if beta1 in
>different from
>0 but what if I want to know if beta1 one is different from 1?

-----------------------------------------------------
John Fox
Department of Sociology
McMaster University
Hamilton, Ontario, Canada L8S 4M4
email: jfox at mcmaster.ca
phone: 905-525-9140x23604
web: www.socsci.mcmaster.ca/jfox
-----------------------------------------------------

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