The estimated or predicted values in a regression or other predictive model are termed the y-hat values. "Y" because y is the outcome or dependent variable in the model equation, and a "hat" symbol (circumflex) placed over the variable name is the statistical designation of an estimated value.
This course introduces to the basic concepts in predictive analytics, with a focus on R, to visualize and explore data that account for most business applications of predictive modeling: classification and prediction.