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Backtest 2002 (S & P 500)

For 2002:
Naive-Bayes: Positive, Up,   Prediction Count is 153
Naive-Bayes: Negative, Down, Prediciton Count is 99
Naive-Bayes: Total Accuracy is 52.0%
Naive-Bayes: Positive, Up,   effectiveness is 0.03559477124183006%
Naive-Bayes: Long-only effectiveness is -0.08132936507936521%
Naive-Bayes: Negative, Down, effectiveness is -0.2620303030303032%
For 2002:
Logistic-Regression: Positive, Up,   Prediction Count is 121
Logistic-Regression: Negative, Down, Prediciton Count is 131
Logistic-Regression: Positive Accuracy is 43.0%
Logistic-Regression: Negative Accuracy is 40.0%
Logistic-Regression: Total Accuracy is 49.0%
Logistic-Regression: Positive, Up,   effectiveness is -0.04254545454545457%
Logistic-Regression: Long-only effectiveness is -0.08132936507936521%
Logistic-Regression: Negative, Down, effectiveness is -0.11715267175572534%

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