Well if you look further down the analysis page, the rate of article
deletion has also been declining. By contrast, article creation is flat or
somewhat positive (depending on how long an interval one uses to estimate
the trend).
-Robert
On 10/10/07, Thomas Dalton <thomas.dalton(a)gmail.com> wrote:
On 10/10/2007, Robert Rohde <rarohde(a)gmail.com> wrote:
I would expect the survivorship bias goes in the
wrong direction though.
Presumably pages that will be deleted, but haven't yet been, are more
likely
to be young. Hence the not-yet-deleted pages
would seem to want to make
recent edit counts higher. I can't think of any reason why survivorship
effects would lead to a bump 6+ months ago.
And such biases would have no impact on the analysis of account
creation,
protections, or blocking. All of which also show
drops.
If the deletion rate has remained constant (as a proportion of
articles), then you're absolutely right. If it's changed, then that
could introduce a more complicated bias than just overestimating the
recent edit counts.
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