[R] Error in object$coefficients : $ operator not defined for this S4 class

[Ronggui Huang]

What is fit in your example?

Ronggui

2009/7/7 aledanda <danda.galli at gmail.com>:
>
> Hallo,
>
> I received this error message while calculating the coefficents
>
> coef(fit, matrix=TRUE)
>
> Error in object$coefficients : $ operator not defined for this S4 class
>
> what is this? How can I solve it?
>
> Ale
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-- 
HUANG Ronggui, Wincent
PhD Candidate
Dept of Public and Social Administration
City University of Hong Kong
Home page: http://asrr.r-forge.r-project.org/rghuang.html