SAS Certification Prep Guide, 4th Edition

Creating a Raw Data File

Overview

Here are a SAS program and SAS data set that appeared earlier in this chapter.

data sasuser.stress; 
   infile tests; 
   input ID $ 1-4 Name $ 6-25 RestHR 27-29 MaxHR 31-33 
         RecHR 35-37 TimeMin 39-40 TimeSec 42-43 
         Tolerance $ 45; 
   if tolerance='D'; 
   TotalTime=(timemin*60)+timesec; 
run;

Notice that the data set has been modified with SAS statements. If you wanted to write the new observations to a raw data file, you could reverse the process that you have been following and write out the observations from a SAS data set as records or lines to a new raw data file.

Using the _NULL_ Keyword

Because the goal of your SAS program is to create a raw data file and not a SAS data set, it is inefficient to use a data set ...