Analysis of Changes Depend on Use Cases
Analysis of Changes Depend on Use Cases
Analysis of Changes Depend on Use Cases
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Evaluati<strong>on</strong> – Classificati<strong>on</strong> tables18ObservedPVM1 (size = 303) M2 (size = 310)PredictedPredictedPVP PVPercentage Observed 0 :percentage correct <str<strong>on</strong>g>of</str<strong>on</strong>g> usecases predicted to be unchangedNo Yes CorrectNo YesPercentageCorrectNo 253 22 92 No 253 31 89.08PVYes 15 13 46.43 Yes 23 3 11.54Overall 87.79 Overall 82.58PM3 (size = 276) 1 :percentage correct <str<strong>on</strong>g>of</str<strong>on</strong>g> useM4 (size = 221)cases predicted to be changedPPredictedPredictedavg : the overall percentage correctPVPVObservedPercentage ObservedPercentageNo Yes CorrectNo Yes CorrectPVNo 108 111 49.32 No 108 70 60.67PVYes 20 37 64.91 Yes 20 23 53.49Overall 52.54 Overall 59.28Select 0.2 as the cut value
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