| To: | <s-news@lists.biostat.wustl.edu> |
|---|---|
| Subject: | replacing values in a data frame |
| From: | "Khan, Sohail" <khan@cshl.edu> |
| Date: | Mon, 21 Aug 2006 16:22:36 -0400 |
| Thread-index: | AcbFX4rHjWI/7e/VTiasRyNIAPaPIg== |
| Thread-topic: | replacing values in a data frame |
Dear list, I have a large data frame with several numerical columns, I would like to replace all the values < 20 to NAs. How could I do this? Thanks for your suggestions. Sohail |
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