Regression
Get familiar with regression and how to use it for predicting the target.
Many real-world problems require us to predict a number, not a category. Whether we want to estimate the price of a house, forecast tomorrow’s temperature, or predict how much a customer will spend, the output is a continuous numerical value.
These kinds of tasks fall under regression, a core technique in supervised learning.
Regression
Regression is a technique that creates a mapping function () to approximate the relationship between a real number (a continuous value) as a target label and its input features.
In other words, given a dataset: , where is the input and is the actual target, the regression function will be:
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