R help - Jan 2009 - dfbetas without intercept

Hello
 
I am running a regression without the intercept, and want to compute dfbetas.
How do I do this? The dfbetas function only works when the intercept is included
in the model.
 
Regards
K

	[[alternative HTML version deleted]]

Dear K,

As I just confirmed, dfbetas() works in a model without an intercept, so you
should send more information about the problem that you apparently
encountered:
> mod <- lm(dist ~ speed - 1, data=cars)
> head(dfbetas(mod))
         speed
1 -0.020499616
2 -0.003469201
3 -0.061492972
4  0.006084618
5 -0.031008553
6 -0.078358279

Regards,
 John

------------------------------
John Fox, Professor
Department of Sociology
McMaster University
Hamilton, Ontario, Canada
web: socserv.mcmaster.ca/jfox
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at
r-project.org]
On
> Behalf Of Kutlwano Ramaboa
> Sent: January-14-09 6:40 AM
> To: r-help at r-project.org
> Subject: [R] dfbetas without intercept
> 
> 
> Hello
> 
> I am running a regression without the intercept, and want to compute
dfbetas.
> How do I do this? The dfbetas function only works when the intercept is
> included in the model.
> 
> Regards
> K
> 
> 	[[alternative HTML version deleted]]
> 
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