[R] GLM output problem

[Anderson Eduardo]

Embarrassing but that's true. I wrote 'binamial' instead of 'binomial'. I
tried now with the correct spelling and everything is ok, in fact.


> summary(GLM)

Call:
glm(formula = model, family = binomial(link = logit))

Coefficients:
            Estimate Std. Error z value Pr(>|z|)
(Intercept) -18.5750    10.7646  -1.726   0.0844 .
x             5.0403     2.7757   1.816   0.0694 .
I(x^2)       -0.2845     0.1558  -1.826   0.0679 .



Thank you all.

Anderson Eduardo


2016-09-01 5:14 GMT-03:00 peter dalgaard <pdalgd at gmail.com>:

> >> And use the parameters returned by GLM to contruct an equation for the
> >> regression model:
> >>
> >> model.eq = -0.446078 + 0.267673*x - 0.014577*I(x^2)
> >
> > ## Not what I got with your data. I got:
> >
> > Coefficients:
> > (Intercept)            x       I(x^2)
> >   -18.5750       5.0403      -0.2845
> >
> >
> > I suspect you had some other x,y variables lying around when you
> > defined your model.
>
>
> More likely, the family= specification got lost and gaussian family
> implied:
>
> > glm(model)
>
> Call:  glm(formula = model)
>
> Coefficients:
> (Intercept)            x       I(x^2)
>    -0.44608      0.26767     -0.01458
>
> --
> Peter Dalgaard, Professor,
> Center for Statistics, Copenhagen Business School
> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
> Phone: (+45)38153501
> Office: A 4.23
> Email: pd.mes at cbs.dk  Priv: PDalgd at gmail.com
>
>
>
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>
>


-- 
Anderson A. Eduardo
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