时间序列分析中AR模型的建立，可求的残差平方和，便于用AIC准则定阶。-Time series analysis of AR model, rectifiable the residual sum of squares, easy to use the AIC criterion to determine the order.

语音信号的lpc分析，该程序实现了与语音预测器的阶数与预测残差能量的关系-The speech signal LPC analysis, the program with the order of the prediction residual energy of the speech predictor

逻辑回归算法，分析结婚情况。判断方式 残差偏差/残差自由度-Logic regression algorithm, analysis of the situation of marriage. Judgment mode residual error/residual degree of freedom