Following are the types of supervised learning

classification
regression
subgroup discovery
all of the above

The correct answer is D. all of the above.

Supervised learning is a type of machine learning in which the model is trained on labeled data. This means that the model is given a set of data that includes both the input data and the desired output. The model then learns to map the input data to the output data.

There are many different types of supervised learning algorithms. Some common types of supervised learning algorithms include classification, regression, and subgroup discovery.

Classification is a type of supervised learning in which the model is trained to predict a class label for each input data point. For example, a classification model might be trained to predict whether a customer will churn or not.

Regression is a type of supervised learning in which the model is trained to predict a continuous value for each input data point. For example, a regression model might be trained to predict the price of a house.

Subgroup discovery is a type of supervised learning in which the model is trained to find groups of data points that share common characteristics. For example, a subgroup discovery model might be trained to find groups of customers who are likely to respond to a marketing campaign.

Supervised learning is a powerful tool that can be used to solve a variety of problems. However, it is important to choose the right type of supervised learning algorithm for the problem at hand.