Data Science Techniques: How to Predict the Sales With Multiple Linear Regression

Linear regression is one of the most popular techniques in data science. It can help you predict many different scenarios. Although it is a widespread technique, it is not a one-size-fits-all model because not all relationships in life are linear. "All models are wrong, but some are useful." You are interested in predicting physical and downloaded album sales from money spent on advertising. Your boss comes into the office and asks how many albums you would sell if you spend $100,000 advertising.