Refer to the exhibit.

You have scored your Naive bayesian classifier model on a hold out test data for cross validation and determined the way the samples scored and tabluated them as shown in the exhibit.
What are the Precision and Recall rate of the model?

During the data preparation phase, you notice a high correlation between average spend on video games, age of players, and number of science fiction shows watched.
Which technique could you use to address the three correlated variables?

In logistic regression modeling, what is the commonly assigned probability threshold used to assign a class label?

Which analytic technique would be appropriate to estimate blood pressure based on age and weight?

You have been assigned to run a logistic regression model for each of 100 countries, and all the data is currently stored in a PostgreSQL database.
Which tool/library would you use to produce these models with the least effort?