Research Article

Clustering Classes in Packages for Program Comprehension

Table 6

The precision and recall of our approach and LSI-based/PLSA-based clustering approach.

Package Our approach LSI-based PLSA-based
PRPRPR

JHotDraw.src.org.jhotdraw.app.action 0.75 0.57 0.44 0.57 0.51 0.43
jEdit.org.gjt.sp.jedit.gui 0.4 0.5 0.04 0.25 0.14 0.22
jfreechart.source.org.jfree.chart.plot 0.83 0.83 1 0.6 0.76 0.68
muCommander.main.com.mucommander.command 0.67 0.33 0.29 0.33 0.42 0.26