Chapter 6. Performing Predictions with a Linear Regression
Linear regression analysis is the most widely used of all statistical techniques: it is the study of linear, additive relationships between variables. It's widely used in various industries to create models, which will help in a business. For example, in the retail industry, there are various factors affecting the sale of a product. These factors could be the price, promotions, or seasonal factors, to name a few. A linear regression model helps in understanding the influence of each of these factors on the sales of a product as well as to calculate the baseline sales, which is basically the number of sales of this product in the event that there were no external factors, such as price, ...
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