[Popcon-developers] Bug#651902: popcon.debian.org: Wrong y-axis for graph of submissions per arch?

[Bill Allombert]

On Tue, Dec 13, 2011 at 01:08:49AM +0000, Ben Hutchings wrote:
> On Tue, 2011-12-13 at 01:38 +0100, Bill Allombert wrote:
> > On Mon, Dec 12, 2011 at 11:49:35PM +0000, Ben Hutchings wrote:
> > > Package: popularity-contest
> > > Severity: normal
> > > 
> > > The graphs of 'Number of submissions per architecture' at
> > > http://popcon.debian.org appears to show that there are about 90,000
> > > current submissions for i386 and amd64, whereas the table to the left
> > > shows about 60,000 for each.
> > > 
> > > In general, it seems that the values on the y-axis are about 50% too
> > > high.  Either that, or there is a subtle distinction in what is being
> > > counted in the tables and graphs, that could be made more clear.
> > 
> > As an experiment, I removed the dots, so the line is thinner now. 
> > Not sure this fix the actual problem, but at least there is less
> > clutter.
> 
> Look at the line for i386 on the 12 month graph.  It intersects the
> y-axis at the label 92,681 and is 1 pixel (about 5%) higher at the right
> margin.  So this indicates a value greater than 92,681, whereas the
> table shows 65,957.
> 
> Then look at the line for armel: it starts above 1448 and rises over the
> 12 months, but the table shows 1307.
> 
> Then if you look at the series with the smallest values you can see that
> there are steps at the first tick, the second tick, two steps up to the
> third tick, four steps up to the fourth tick.
> 
> I think the real values at the y-ticks are 1, 2, 4, ..., 2^i,
> 2^(i+1), ...

I reached the same conclusion, and I have updated the website. It should
be fine now.

Thanks for your report and analysis,
-- 
Bill. <ballombe at debian.org>

Imagine a large red swirl here.