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Spearman
correlation coeffiecents for dbViz and Rhino. |
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dbViz |
Rhino |
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Metric |
c-ns |
c-s |
nc-s |
nc-ns |
c-ns |
c-s |
nc-s |
nc-ns |
c-ns+d |
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SFC |
0.38 |
0.38 |
0.38 |
0.38 |
0.62 |
0.62 |
0.62 |
0.62 |
0.62 |
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SFC' |
0.35 |
0.35 |
0.35 |
0.35 |
0.58 |
0.58 |
0.58 |
0.58 |
0.58 |
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0.52 |
0.13 |
0.15 |
0.15 |
0.38 |
0.35 |
0.35 |
0.37 |
0.38 |
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TFCmax |
0.5 |
0.23 |
0.21 |
0.21 |
0.52 |
0.51 |
0.5 |
0.5 |
0.5 |
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HFC |
0.49 |
0.47 |
0.47 |
0.47 |
0.44 |
0.42 |
0.41 |
0.43 |
0.44 |
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c-ns: comments, no
stemming |
c-s: comments,
stemming |
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nc-s: no comments,
stemming |
nc-ns: no comments, no
stemming |
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c-ns+d: comments, no
stemming, external documentations |
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All correlations
are statistically significant at the 1% level. |
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The sample size
(number of feature pairs) is 78 in dbViz and 84,255 in Rhino. |
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HFC uses weights of
0.5 for both structural and textual information. |
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