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ChrisT
‎09-01-2015
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DATA step and memory requirements

by Calcite | Level 5 in SAS Procedures
‎01-17-2012 04:39 PM
‎01-17-2012 04:39 PM
Thanks art297. Is there a way to prevent SAS from doing that and instead instruct it to just keep the dataset in RAM? This way we avoid the I/O involved in writing temporary data out to the disk. Chris ... View more

DATA step and memory requirements

by Calcite | Level 5 in SAS Procedures
‎01-17-2012 04:26 PM
‎01-17-2012 04:26 PM
Hi, I have a question regarding the memory usage of the DATA step. In a sample program like: DATA weight;      input ID $ Week1 Week16;      WeightLoss=Week1-Week16;      datalines;      2477 195 163      2431 220 198      2456 173 155      2412 135 116 ; run; Where SAS stores the dataset "weight" while this step is running? Does it store it in RAM or in a temporary file in the filesystem? What if much more data is being read in this step? Thanks, Chris ... View more
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