[Spambayes] Spam vs time-of-day

[Guido van Rossum]

> > In the graph, is there a difference between the narrow black bars and
> > the slightly wider blue/gray bars with black outlines?
> 
> No, there are six vertical bars per labelled hour (one for each of
> Skip's 144 10-minute buckets), and I don't know why Excel decided to
> color some differently.  Under a magnified view, it appears that it
> tried to make them strictly alternate, but every now and again put
> two blue ones next to each other.  I may have left some X-axis
> minor-tick display option set to an unfortunate value, as the
> instances of doubled blue bars appear to be more-than-less regularly
> spaced.

Maybe it's a simple roundoff problem -- the bars could be
approximately 2.5 pixels wide, and this gets rounded to 2 or 3
depending on circumstance.  I'll ignore the difference then.

--Guido van Rossum (home page: http://www.python.org/~guido/)