Logistic regression : how to use it as a classifier
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In this second video about logistic regression, we will see how we can use it as a classifier (a machine learning technique) to predict if someone has a disease. The video consists of:
1. Some basics
2. How to classify with a cutoff value (02:15)
3. How to calculate sensitivity and specificity and the ROC curve (08:20)
4. How to validate the model (14:00)
5. Use more than one explanatory variable (15:18)
6. Model selection and predictions (20:39)
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