Datasets can present themselves in different ways. Identical data can bet arranged differently, often as wide or tall datasets. Generally, the tall dataset is better. Learn how to convert wide data into tall data with PROC TRANSPOSE.
Do you periodically delete unneeded global macro variables? You should! Deleting macro variables releases memory and keeps your symbol table clean. Learn how the macro language statement that deletes global macro variables and about the %DELETEALL statement that can be a life saver for macro programmers.
Remember the military computer Joshua from the 1983 Matthew Broderick movie WarGames? Joshua learned how to “play a game” by competing against other computers, got confused about reality, and nearly started WWIII. As depicted in that movie, Joshua isn’t all that different from Google’s DeepMind, which became a superhuman chess
