基于C++的arma模型拟合，其主要是验证arma(1,1)预测的效果，侧重于ACF和PACF的角度编程，不是用计量经济学软件做的-C++ based arma model fitting, which is mainly to verify arma (1,1) prediction results, focusing on the perspective of ACF and PACF programming, do not use econometric software

实现时间序列自相关和偏自相关画图，中国文说明号省道四代机奥斯达但是你到底那时的纳斯达克那时的卡萨诺的啊(Realizing autocorrelation and partial autocorrelation of time series)