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Fig. 14.8 Distribution of QD(
T
) for featured and nonfeatured articles
Fig. 14.9 Average article quality for featured articles and nonfeatured articles. Quality is assessed
by the average and the standard deviation of
Q
, QD, and QD50 for featured and nonfeatured
articles. For each article,
Q
is the ratio of high-quality revisions. QD is the amount of time that an
article spends in its high-quality state computed over its entire lifetime. QD50 is the value of QD
when only considering the last 50 revisions of the article
Figure
14.10
shows the evolution of QD(
T
) as a function of
T
for both featured
and nonfeatured articles of the same age. Overall, QD(
T
) tends to increase with
T
and its standard deviation decreases gradually.
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