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← Revision 6 as of 2009-09-20 23:17:04 ⇥
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Measuring Spam Filter Accuracy
Here are various schemes used to measure spam-filter accuracy. First, multiple-figure measurement schemes:
FpFnPercentages: our favourite!
BattingAverage: John Graham-Cumming's new system
PredictiveValue: how the MDs do it
PrecisionAndRecall: how text classifiers do it
Single-figure measurements:
TotalCostRatio: Ion Androutsopoulos' scheme
And measurements across a range of thresholds:
RocGraphs: the radar operator's favourite
