Analysis of Changes Depend on Use Cases

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Variable Definitions4 Frequency Times that a requirement has been changed Center <strong>of</strong> Change Gravity Sum <strong>of</strong> gaps between the version that a changehappened and the predicting version / Frequency Lifecycle Gaps between the version which a requirement isinitialized and the predicting version
Example5Requirements12345Change History√ √ XX √ √X X X√ X √NA X XV0 V1 V2 V3Predicting Version = V4, Frequency ( 1 ) = 1+1+0 = 2 Gravity( 1 ) = ((V4-V1) + (V4-V2)) / 2 Lifecycle ( ) = V4-V25
Page 1 and 2: A PREDICTION MODEL FORREQUIREMENTS
Page 3: Intuitions3 Requirements which are
Page 7 and 8: Prediction Approach7 Logistic Regre
Page 9 and 10: Overview of Approa
Page 11 and 12: Data Collection11 added = 2, modifi
Page 13 and 14: Data13 To investigate the performan
Page 15 and 16: Prediction Model15# Model M4 M3 M2
Page 17 and 18: Evaluation - Classification tables1
Page 19 and 20: Percentage Correct19100.00%90.00%80
Page 21 and 22: Feedback from the Company21 Action
Page 23 and 24: 23Thank you!

Analysis of Changes Depend on Use Cases

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