Jan's Blog

Tag: sas

Creating a temporary SAS array of dynamic size

Arrays in SAS are incredibly useful things. For example, if you’re dealing with a concomitant medications dataset and want to check for certain medicines across multiple columns, you’d be hard-pressed to find a faster method than using arrays! Within the SDTM.CM domain, medication names are spread across several columns, usually: CMTRT (Reported Name of Drug, […]

Significant Figures in SAS

For three significant figures, the SAS Institute provides the following code snippet to accomplish the task. However, it is often useful to round to more or less than 3 significant figures. I’ve developed a macro to do so for my own use and am sharing the code below.

Searching for a string in an entire SAS library

For the most part, experienced SAS programmers know where to look for the source data they need. In the pharmaceutical industry, we are familiar with CDISC standards and data structures. However, should the data standard be unfamiliar or the source datasets include new or unusual parameters, it may be prudent to have SAS look through […]

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