Understanding Item Response Theory with SAS

What is Item Response Theory? Item Response Theory (IRT) is a way to analyze responses to tests or questionnaires with the goal of improving measurement accuracy and reliability. A common application is in testing a student’s ability or knowledge. Today, all major psychological and educational tests are built using IRT. […]

Understanding Item Response Theory with SAS was published on SAS Users.

Compress – Keep Writable

varname = compress(varname, , ‘kw’);The modifier “k” stands for ‘KEEP’ and the modifier “w” stands for ‘WRITABLE’. When compress function is used in combination of K & W modifiers, it keeps all the writable characters which means it deletes all the…

New related resource initiative in the SAS Help Center

Sometimes the questions are complicated, and the answers are simple. – Dr. Seuss It seems appropriate that this blog include a Dr. Seuss quote about learning when discussing a new simple, yet deceivingly powerful initiative to help SAS customers with their journey to discover as much as possible about our […]

New related resource initiative in the SAS Help Center was published on SAS Users.