Response to "Getting Fedora Out of the If-Then Loop"
Mike McGrath
mmcgrath at redhat.com
Wed Feb 17 20:15:30 UTC 2010
On Wed, 17 Feb 2010, Jeff Spaleta wrote:
> On Wed, Feb 17, 2010 at 9:24 AM, inode0 <inode0 at gmail.com> wrote:
> > It could but does it and to what extent? Is it a good metric for the
> > number of contributors joining the project? What does it look like if
> > we overlay the recent stagnant download trend with the recent
> > statistics showing numbers of contributors over the same period?
> Be very careful here. What you really want to do is look for a
> characteristic cross correlation time...essentially slide the trending
> graphs of the download metric and contributor metric across each other
> looking for the best time offset that maximizes how the graphs
> correlate. I believe numpy(or is it scipy I'll have to look) has a
> cross correlation function built in. Get me two years of data binned
> weekly for both download and contributor metrics and I can do the
> correlation analysis.
>
We also have no valid way to measure contributors that have left.
-Mike
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