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. What is the cost function of Logistic Regression? Explain in Detail. 2 . What are voting classi ers in ensemble learning? 3 . Follow

. What is the cost function of Logistic Regression? Explain in Detail.
2. What are voting classi ers in ensemble learning?
3. Follow the 7-steps to model building for your selected ticker,
(a) produce a model to predict positive moves (up trend) using Support Vector Machine (SVM)
model.
(b) tune hyperparameters for the estimator and present the best model.
(c) investigate the prediction quality using area under ROC curve, confusion matrix and classi ca
tion report.

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