In this chapter, we will cover the following recipes:
- Array creation in Python
 - Data preprocessing using mean removal
 - Data scaling
 - Normalization
 - Binarization
 - One-hot encoding
 - Label encoding
 - Building a linear regressor
 - Computing regression accuracy
 - Achieving model persistence
 - Building a ridge regressor
 - Building a polynomial regressor
 - Estimating housing prices
 - Computing the relative importance of features
 - Estimating bicycle demand distribution