Rank order correlation - PowerPoint PPT Presentation

Predicting Class Testability using Object-Oriented Metrics

Predicting Class Testability using Object-Oriented Metrics. M. Bruntink and A. van Deursen Presented by Tom Chappell. Goal. To assess the capability of certain object-oriented metrics to predict class testability Useful for: Planning Design Monitoring. Source Code Metrics.

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329 views • 18 slides

Explained and unexplained variance

SS total = SS explained + SS unexplained. N. N. N. Explained and unexplained variance. SS total = SS explained + SS unexplained. σ 2 Y’ [ =unexplained]. σ 2 Y [ =total]. Explained and unexplained variance. r 2 XY = 1 -. σ 2 Y’ [ =unexplained]. σ 2 Y [ =total].

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239 views • 7 slides

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