## 5 Result and Discussion
### Confusion Matrix
 } & \multicolumn{8}{c}{**Sources**} \\ \hline Target & Ant & Camel & Jedit & Lucene & Poi & Log\#j & Velocity & Synapse & Ivy & Xalan & Xexes \\ \hline Ant-**1.3** & - & 68.46\% & 63.36\% & 65.11\% & 54.01\% & 57.63\% & 53.11\% & 66.62\% & **69.04\%** & 67.84\% & **48.33\%** \\ \hline Ant-**1.4** & - & 50\% & 70.24\% & 65.65\% & 59.99\% & 63.47\% & **48.38\%** & 66.95\% & **73.64\%** & 73.44\% & 49.65\% \\ \hline Ant-**1.5** & - & 79.84\% & 75.37\% & 73.46\% & 63.46\% & 58.53\% & **52.08\%** & 79.04\% & 68.30\% & **83.54\%** & 82.19\% \\ \hline Ant-**1.7** & - & 81.83\% & 73.15\% & 73.49\% & 76.79\% & 68.54\% & 61.89\% & **85.95\%** & 82.41\% & 81.31\% & **61.61\%** \\ \hline Camel-**1.2** & 70.81\% & - & **71.91\%** & 71.60\% & 56.42\% & 62.32\% & 67.82\% & 63.72\% & 70.10\% & 62.97\% & **53.12\%** \\ \hline Camel-**1.4** & **74.91\%** & - & 70.63\% & 71.37\% & 59.40\% & 67.98\% & 50.73\% & 65.63\% & 70.49\% & 66.41\% & **47.63\%** \\ \hline Camel-**1.6** & **77.56\%** & - & 66.41\% & 66.22\% & 62.71\% & 68.46\% & **51.82\%** & 68.62\% & 68.79\% & 56.72\% & 58.46\% \\ \hline Ivy-**2.0** & **88.19\%** & _77.09\%_ & 79.99\% & 73.72\% & 59.80\% & 72.81\% & 64.07\% & 75.92\% & - & 78.15\% & **31.67\%** \\ \hline Jedit-**3.2** & **78.28\%** & 74.03\% & - & 67.27\% & 63.62\% & 75.91\% & 65.90\% & 76.39\% & 76.93\% & 58.99 & **48.63\%** \\ \hline Jedit-**4.0** & 81.45\% & 73.66\% & - & 75.87\% & 61.58\% & 66.94\% & **52.90\%** & 72.47\% & **81.83\%** & 77.84\% & 66.56\% \\ \hline Jedit-**4.1** & **81.96\%** & 71.26\% & - & 73.95\% & 56.02\% & 64.58\% & 62.18\% & 78.17\% & 81.47\% & 78.57\% & **55.91\%** \\ \hline Log\#j-**1.0** & **78.23\%** & 74.87\% & 72.53\% & 62.83\% & 61.31\% & - & **53.59\%** & 63.37\% & 76.36\% & 64.23\% & 60.64\% \\ \hline Log\#j-**1.1** & 73.56\% & **78.36\%** & 63.22\% & 70.57\% & 71.07\% & - & 68.18\% & 60.68\% & **57.90\%** & 65.88\% & 64.20\% \\ \hline Log\#j-**1.2** & 50.18\% & **34.23\%** & 46.58\% & **70.01\%** & 61.38\% & - & 58.25\% & 45.73\% & 47.86\% & 55.33\% & 47.28\% \\ \hline Lucene-**2.0** & 71.85\% & 70.15\% & 64.93\% & - & 58.78\% & **47.16\%** & 50.93\% & 63.40\% & **72.52\%** & 64.27\% & 53.51\% \\ \hline Lucene-**2.2** & 63.26\% & 63.48\% & 61.50\% & - & 62.54\% & 53.26\% & 58.29\% & 63.58\% & 58.92\% & **65.26\%** & **44.10\%** \\ \hline Lucene-**2.4** & 58.57\% & 65.30\% & 57.84\% & - & 60.51\% & 66.32\% & **50\%** & 55.92\% & 60.77\% & **67.81\%** & 52.61\% \\ \hline Synapse-**1.0** & **81.40\%** & 66.85\% & 68.53\% & 62.97\% & 71.65\% & 66.17\% & **53.89\%** & - & 80.92\% & 64.21\% & 62.74\% \\ \hline Synapse-**1.1** & 79.97\% & 77.89\% & 73.71\% & 57.90\% & 64.73\% & 52.91\% & **44.43**\% & - & **87.65\%** & 65.81\% & 53.96\% \\ \hline Synapse-**1.2** & 74.21\% & 73.39\% & 77.81\% & 65.23\% & 67.41\% & 52.44\% & **48.87\%** & - & **75.80\%** & 70.95\% & 99.72\% \\ \hline Velocity-**1.4** & **62.92\%** & 58.03\% & 60.01\% & 62.54\% & 57.89\% & 55.16\% & - & 57.35\% & 62.20\% & 64.04\% & **50.49\%** \\ \hline Velocity-**1.5** & 61.11\% & 55.99\% & **53.06\%** & **73.65\%** & 73.14\% & 65.10\% & - & 53.47\% & 59.32\% & 69.45\% & 63.75\% \\ \hline Velocity-**1.6** & 58.77\% & 53.08\% & 58.42\% & 49.41\% & 57.19\% & **41.49\%** & - & **65.58\%** & 61.96\% & 51.25\% & 53.76\% \\ \hline Xalan-**2.4** & **76.67\%** & 72.83\% & 67.93\% & 67.04\% & 53.28\% & 64.38\% & **47.94\%** & 73.04\% & 76.46\% & - & 59.27\% \\ \hline Xalan-**2.5** & **79.40\%** & 73.48\% & 71.04\% & 69.28\% & 52.75\% & 57.02\% & **46.96\%** & 76.92\% & 79.30\% & - & 56.61\% \\ \hline Xalan-**2.6** & 76.90\% & 73.15\% & 69.98\% & 71.86\% & 55.43\% & 71.20\% & 5