摘要: four type of models 1 trend stationary ( )*(t) 以时间t为方程 2 difference stationary 3 stationary AR(1) 4 heteroscedastic random wald augumented dicky-fulle 阅读全文
posted @ 2021-01-20 19:47 samsara0614 阅读(75) 评论(0) 推荐(0)