David Winsemius
On Feb 15, 2009, at 9:40 AM, jpl wrote:
>
> Hi Dieter,
>
> I don't see anything in the str(model) output that matches the
> standard
> errors of the coefficients given in summary(model). Any other
> suggestion?
> Thanks.
>
> jpl
>
>
>
> Dieter Menne wrote:
>>
>> jpl <s-jlubben1 <at> math.unl.edu> writes:
>>
>>>
>>> How do I extract the standard errors of the coefficients in a glm.nb
>>> model?
>>
>> library(MASS)
>> quine.nb1 <- glm.nb(Days ~ Sex/(Age + Eth*Lrn), data = quine)
>> sumnb1 = summary(quine.nb1)
>> sumnb1
>> str(sumnb1) # tells you about the anatomy. Check for $coefficients
>>
>> Dieter
>>
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>>
>>
>
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> and provide commented, minimal, self-contained, reproducible code.