He proposed a statistical tool, the vector autoregression (VAR), as a solution to this problem.

他提出了一个统计工具，向量自回归(VAR)，来解决这一问题。

youdao

He proposed a statistical tool, the vector autoregression (VAR), as a solution to this problem.

他提出了一个统计工具，向量自回归(VAR)，来解决这一问题。

youdao