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Backtest 1993 (S & P 500)

For 1993:
Naive-Bayes: Positive, Up,   Prediction Count is 35
Naive-Bayes: Negative, Down, Prediciton Count is 218
Naive-Bayes: Total Accuracy is 48.0%
Naive-Bayes: Positive, Up,   effectiveness is -0.03245714285714286%
Naive-Bayes: Long-only effectiveness is 0.02788537549407115%
Naive-Bayes: Negative, Down, effectiveness is 0.037573394495412825%
For 1993:
Logistic-Regression: Positive, Up,   Prediction Count is 106
Logistic-Regression: Negative, Down, Prediciton Count is 147
Logistic-Regression: Positive Accuracy is 54.0%
Logistic-Regression: Negative Accuracy is 39.0%
Logistic-Regression: Total Accuracy is 52.0%
Logistic-Regression: Positive, Up,   effectiveness is 0.03522641509433962%
Logistic-Regression: Long-only effectiveness is 0.02788537549407115%
Logistic-Regression: Negative, Down, effectiveness is 0.022591836734693893%

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