We are no longer updating the Amazon Machine Learning service or accepting new users for it. This documentation is available for existing users, but we are no longer updating it. For more information, see What is Amazon Machine Learning.
Linear Models
There are a large number of ML models available. Amazon ML learns one type of ML model: linear models. The term linear model implies that the model is specified as a linear combination of features. Based on training data, the learning process computes one weight for each feature to form a model that can predict or estimate the target value. For example, if your target is the amount of insurance a customer will purchase and your variables are age and income, a simple linear model would be the following: