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Backtest 1991 (S & P 500)

For 1991:
Naive-Bayes: Positive, Up,   Prediction Count is 91
Naive-Bayes: Negative, Down, Prediciton Count is 162
Naive-Bayes: Total Accuracy is 53.0%
Naive-Bayes: Positive, Up,   effectiveness is 0.2454505494505494%
Naive-Bayes: Long-only effectiveness is 0.10104743083003945%
Naive-Bayes: Negative, Down, effectiveness is 0.019932098765432085%
For 1991:
Logistic-Regression: Positive, Up,   Prediction Count is 127
Logistic-Regression: Negative, Down, Prediciton Count is 126
Logistic-Regression: Positive Accuracy is 54.0%
Logistic-Regression: Negative Accuracy is 54.0%
Logistic-Regression: Total Accuracy is 54.0%
Logistic-Regression: Positive, Up,   effectiveness is 0.172496062992126%
Logistic-Regression: Long-only effectiveness is 0.10104743083003945%
Logistic-Regression: Negative, Down, effectiveness is 0.029031746031746037%

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