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Backtest 1992 (S & P 500)

For 1992:
Naive-Bayes: Positive, Up,   Prediction Count is 56
Naive-Bayes: Negative, Down, Prediciton Count is 198
Naive-Bayes: Total Accuracy is 45.0%
Naive-Bayes: Positive, Up,   effectiveness is -0.07345614035087719%
Naive-Bayes: Long-only effectiveness is 0.018578740157480317%
Naive-Bayes: Negative, Down, effectiveness is 0.045208121827411185%
For 1992:
Logistic-Regression: Positive, Up,   Prediction Count is 124
Logistic-Regression: Negative, Down, Prediciton Count is 130
Logistic-Regression: Positive Accuracy is 48.0%
Logistic-Regression: Negative Accuracy is 45.0%
Logistic-Regression: Total Accuracy is 47.0%
Logistic-Regression: Positive, Up,   effectiveness is 0.005624000000000002%
Logistic-Regression: Long-only effectiveness is 0.018578740157480317%
Logistic-Regression: Negative, Down, effectiveness is 0.03113178294573642%

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