Paul Stober’s scientific contributions

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Publications (1)


An Explicit Functional Form Specification Approach to Estimate the Area Under a Receiver Operating Characteristic (ROC) Curve
  • Article

January 2007

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46 Reads

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8 Citations

Paul Stober

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Glaxosmithkline Collegeville

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Pa Shi-Tao

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[...]

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Pa Collegeville

The Receiver Operating Characteristic (ROC) curve is a curve presented in a probability scale graph and is used to judge the discrimination ability of various statistical methods for predictive purposes. The area under the ROC curve can be measured and converted to a single quantitative index for diagnostic accuracy. An explicit functional form approach is proposed as an alternative estimation method to evaluate the area under a ROC curve. This paper provides an explicit functional form to represent the ROC curve through SAS code for parameter estimation and the area under the curve calculation. The empirical ROC curves produced from this approach are much smoother with convexity of the curves.

Citations (1)


... Using a population of 200, at each generation, 200 new offspring are generated, then parents and offspring are merged into one pool before running Pareto-based selection to select the best 200. During evolution, we aim to minimize three fitness objectives: FP Rate, 1−TP Rate and 1−AUC, where AUC is a the area under ROC, calculated using the Mann-Whitney [31] test. ...

Reference:

An Integrated Approach to Stage 1 Breast Cancer Detection
An Explicit Functional Form Specification Approach to Estimate the Area Under a Receiver Operating Characteristic (ROC) Curve
  • Citing Article
  • January 2007