--- In [email protected], "sparaig" <[EMAIL PROTECTED]> wrote:
>
> --- In [email protected], new.morning <no_reply@> wrote:
> >
> > --- In [email protected], "sparaig" <sparaig@> wrote:
<snip>
> > > It was NOT excluded from the data. The weekly AVERAGE was the 
> > > weekly average with no data excluded. The SIGNIFICANCE of the 
> > > outlier was dismissed because it was only one data point 
> > > amongst many and wasn't repeated and in fact was reversed
> > > the next week (20 one week and 4 the next).
> > 
> > See footnote 3.
> > 
> >    3. After removing the outlier of June 22, Poisson regression
> > analysis indicated there was no significant difference in the 
> > level of homicides in June and July 1993 from the remainder of 
> > the year.
> 
> Ah you're right. Interesting that something that changed the 
> average so slightly over a 2-week period would have a significant 
> effect. It suggests that the murder-rate trended upward slightly
> even without the outler.

Lawson, this was a separate analysis, not the
main analysis.  It was done to answer the
specific question about the nature of the murder
rate.

And I don't understand why you say it suggests the
murder rate trended upward even without the outlier.


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