ADF test is the most common method of unitroottest.
ADF检验是实际中最常用的单位根检验之一。
2
And introduced the unitroottest and the random process that can often be used in economy.
介绍了单位根检验以及经济中常用的随机过程。
3
The article educed that the series of hard wheat futures and spot prices show their first-order difference stationary, I (1) process, by the unitroottest.