Ah, yhat's right. But tell me something, William, be honest. Do the Brits and Americans like each other?
啊，对，没错。不过威廉，请你诚实地回答我的问题。英国人和美国人喜欢彼此吗？
Yhat
原声例句
BBC地道英语
TED演讲（音频版） 2014年4月合集
Yhat cost us 10 million jobs, was the easiest financial crisis by far to have avoided completely if we had simply learned the lessons of epidemics of control fraud, particularly using this recipe.
丢掉1000万个工作岗位，如果我们能够运用这一固定套路从大面积的管理欺诈行为中吸取教训，我们就可以轻而易举地避免这场危机的发生。
英语百科
Projection matrix
In statistics, the projection matrix 
, sometimes also called the influence matrix or hat matrix 
, maps the vector of response values (dependent variable values) to the vector of fitted values (or predicted values). It describes the influence each response value has on each fitted value. The diagonal elements of the projection matrix are the leverages, which describe the influence each response value has on the fitted value for that same observation.