machine-learning – Machine learning and it's classification – What is supervised learning ?

Supervised learning is a type of machine learning algorithm that uses a known data-set (called the training data-set) to make predictions.

Category of supervised learning:

  1. Regression: In a regression problem, we are trying to predict results within a continuous output, meaning that we are trying to map input variables to some continuous function.
  2. Classification: In a classification problem, we are instead trying to predict results in a discrete output. In other words, we are trying to map input variables into discrete categories.

Example 1:

Given data about the size of houses on the real estate market, try to predict their price. Price as a function of size is a continuous output, so this is a regression problem.

Example 2:

(a) Regression – For continuous-response values. For example given a picture of a person, we have to predict their age on the basis of the given picture

(b) Classification – for categorical response values, where the data can be separated into specific “classes”. For example given a patient with a tumor, we have to predict whether the tumor is malignant or benign.

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