Fisher判别法是历史上最早提出的判别方法之一，其基本思想是将n类m维数据集尽可能地投影到一个方向（一条直线），使得类与类之间尽可能分开。-This package include the training, testing and a demo of Fisher LDA. The testing code also uates precision, recall, accuracy and F1-measure.