Run the following SAS program to create two files: BIG and SMALL. First, add the contents of SMALL to the end of BIG, using a SET statement. Next, do the same thing using PROC APPEND. Compare the time...

Run the following SAS program to create two files: BIG and SMALL. First, add the contents of SMALL to the end of BIG, using a SET statement. Next, do the same thing using PROC APPEND. Compare the time used (from the LOG). You may want to increase the

size of BIG if you have a really fast computer and want to compare times.