[josm-dev] JOSM is the editor with the best user retention

[Paul Johnson]

Dirk Stöcker wrote:

> On Mon, 7 Dec 2009, Frederik Ramm wrote:
>
>>    interesting post by Matt on this blog:
>>
>> http://www.asklater.com/matt/wordpress/2009/12/editor-retention/
>>
>> He arrives at the result that JOSM users are the ones most likely to
>> stay with their editor. (Well... what else is available?)
>
> : JOSM, somewhat surprisingly, has more changesets total and with bboxes, 
> : but maybe that’s just because until recently every upload was it’s own 
> : changeset.
>
> Actually I'm not surprised. I think most power users will use JOSM, so 
> more changesets are the result. Would be interesting to get the rate of 
> changed elements per changeset for each editor. That would distinguish 
> power users from minor edits.
>
> Also nice would be the "created_by" count in OSM data. Due to silently 
> dropping them, JOSM's usage is also easy to see :-)

created_by= tags get stomped by Potlatch, JOSM leaves it alone if it's
already set (unless, of course, a JOSM user deliberately deletes the
existing created_by tags).  This would give severely skewed results in
favor of Potlatch.