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@@ -215,7 +215,6 @@ public class RankStrategyBy683 extends RankStrategyBasic {
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long time5 = System.currentTimeMillis();
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// calibrate score for negative sampling
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- /* 02-11 update: 因模型换回基线无采样模型,取消校准
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for (AdRankItem item : result) {
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double originalScore = item.getLrScore();
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double calibratedScore = originalScore / (originalScore + (1 - originalScore) / negSampleRate);
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@@ -223,7 +222,6 @@ public class RankStrategyBy683 extends RankStrategyBasic {
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item.getScoreMap().put("originCtcvrScore", originalScore);
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item.getScoreMap().put("ctcvrScore", calibratedScore);
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}
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- */
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// loop
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double cpmCoefficient = weightParam.getOrDefault("cpmCoefficient", 0.9);
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@@ -659,4 +657,4 @@ public class RankStrategyBy683 extends RankStrategyBasic {
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return newFeatureMap;
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}
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-}
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+}
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