We will adopt a regression approach, which preserves the order of the preferences.<br>For instance, if the true grade is 3, then a model that predicts 4 is better than one<br>that predicts 7. A regression dataset D is made up of k ∈ {1, ..., N} examples,<br>each mapping an input vector with I input variables (xk1, . . . , xkI) to a given target<br>yk. The regression performance is commonly measured by an error metric, such
正在翻譯中..
