first-order stationary 一阶平稳
·2,447,543篇论文数据,部分数据来源于NoteExpress
The article educed that the series of hard wheat futures and spot prices show their first-order difference stationary, I (1) process, by the unit root test.
通过单位根检验,确定硬麦期货与现货价格序列具有一阶差分平稳性即i(1)过程。
youdao
应用推荐
模块上移
模块下移
不移动