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Table 8 Summary of the PCA results

From: A metrics suite for JUnit test code: a multiple case study on open source software

  F1 F2 Best subset
ANT TASSERT,TDATA, TLOC TINVOK, TNOO TASSERT, TINVOK
JFC TNOO, TINVOK, TLOC TDATA TNOO, TDATA
JODA Each metric   TLOC
LUCENE Each metric   TINVOK
POI TDATA, TLOC TINVOK, TNOO TDATA, TINVOK
IVY TASSERT, TLOC, TNOO TDATA, TINVOK TASSERT, TDATA