Dear Urania,
The residuals method for glm objects can compute several kinds of residuals;
the default is deviance residuals. See ?residuals.glm for details and
references.
I hope this helps.
John
--------------------------------
John Fox
Department of Sociology
McMaster University
Hamilton, Ontario
Canada L8S 4M4
905-525-9140x23604
http://socserv.mcmaster.ca/jfox
--------------------------------
> -----Original Message-----
> From: r-help-bounces at stat.math.ethz.ch
> [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Urania Sun
> Sent: Thursday, November 24, 2005 1:36 PM
> To: r-help at stat.math.ethz.ch
> Subject: [R] residuals in logistic regression model
>
> In the logistic regression model, there is no residual
>
> log (pi/(1-pi)) = beta_0 + beta_1*X_1 + .....
>
> But glm model will return
>
> residuals
>
> What is that?
>
> How to understand this? Can we put some residual in the
> logistic regression model by replacing pi with pi' (the estimated pi)?
>
> log (pi'/(1-pi')) = beta_0 + beta_1*X_1 + .....+ ei
>
> Thanks!
>
> [[alternative HTML version deleted]]
>
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