missing values

• 漏失值

missing values的用法和样例：

例句

1. It is proposed that using multiple imputation by chained equations deals with missing data in the income variables.
   本文提出利用基于链式方程的多重插补方法来处理收入变量的缺失值问题。
2. Missing data in the income variables is familiar and is hard to treat in econometric analysis.
   在经济计量分析中收入变量的缺失值是一个普遍而又较难处理的问题。