Add Exercise: Exploring a Dataset with Regression

[danielrazavi]

We're introducing the "Exploring a Dataset with Regression" exercise to make this module more approachable and relatable for learners. This exercise is designed to lower the bar for entry into regression analysis by using examples that feel grounded in reality.

Key highlights:

• Feature Descriptions: Plain-English explanations for the Breast Cancer dataset features, making it easier to connect concepts to real-world applications.
• Visualization: A user-friendly scatter_plot function for exploring data visually and understanding decision boundaries.
• Regression Models: Logistic and Linear Regression examples to demonstrate their practical use.
• Metrics: Simple evaluation tools like confusion matrices and accuracy scores to assess model performance.

By focusing on clear examples and relatable concepts, this exercise ensures learners can better understand and apply regression techniques.