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Category:Missing Values

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To add your contribution to this page, cut and paste the following tag to the end of your article/page/category: [[Category:Missing Values]]. DO NOT edit this page to add your article. Just add the category tag to your article.

There are 28 SAS numeric missing values which are represented in SAS as:

  • .
  • ._
  • .a
  • . . . . thru . . . .
  • .z

Since .z is evaluated as largest SAS missing value, checking that a value is less than or equal to .z catches them all.