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tenure-track faculty member and more
degrees are given per tenure-track
faculty member in larger departments,
while at private universities there is less
variability as department size increases
(Figures D3 and D4).
Figure D5 shows a graphical view
of the Ph.D. pipeline for computer
science programs. The data in this
graph are normalized by the number
of departments reporting. The graph
offsets the qualifier data by two years
from the data for new students, and
offsets the graduation data by five years
from the data for new students. These
data have been useful in estimating
the timing of changes in production
rates. The qualifier data offset changed
from previous graphs, which only offset
Computing ReseaRCh news, may 2013
Vol. 25 / No. 5
Outlier: Value outside chart range
new student data by one year, to more
accurately reflect the fact that the
qualifier data are for students passing
in the previous academic year, while the
new student data are data reflecting the
current academic year. The new offset’s
consistency with new student data and
subsequent graduation is improved as
a result.
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