Message-ID: <D041BC92-2200-426D-9915-6E0C31CA4352@gmail.com>
Date: 2012-08-10T16:38:06Z
From: Peter Dalgaard
Subject: significance of character (Anova)
In-Reply-To: <1344606437.91300.YahooMailNeo@web133105.mail.ir2.yahoo.com>
On Aug 10, 2012, at 15:47 , Jennifer Kaiser wrote:
>
> Model: poisson, link: log
>
> Response: sb_ek_ber
>
> Terms added sequentially (first to last)
>
>
> Df Deviance Resid. Df Resid. Dev Pr(>Chi)
> NULL 1237837 4.4998e+10
> ABWHALT_C 2 244353722 1237835 4.4754e+10 < 2.2e-16 ***
> Wuerfel 5 63772679 1237830 4.4690e+10 < 2.2e-16 ***
>
> Signif. codes: 0 ?***? 0.001 ?**? 0.01 ?*? 0.05 ?.? 0.1 ? ? 1
> There were 50 or more warnings (use warnings() to see the first 50)
>
> The thing is that the caracter "Wuerfel" is random generated
> and it shouldn' t be significant.
>
> It would be realy great if you could help me.
The most obvious guess is that sb_ek_ber probably is not Poisson distributed.
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Email: pd.mes at cbs.dk Priv: PDalgd at gmail.com