BeOptimized - Tips and Tricks consists of half days/full days of knowledge transfer in SAS programming language and are organized by an motivated SAS Expert who combines theory and demonstration to helps you refreshing your SAS skills, discover news technics and meet other experts.
Organized for employees, sessions are organized on a monthly basis in our business center (near Brussels-North train station) and, to guaranty an optimal quality, the number of participants is limited to 8 persons. Contact us to assist to a session (scheduled or not) or click the register button in the course details, we will recontact you with more informations.
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Creating or reading flat files from SAS can be done in several ways in SAS: proc import, proc export are common examples. When flat files are not simple line of records, it becomes impossible to use default technics and Data Step programming becomes required.
It's not always easy to choose between Proc SQL and Data Step programming. In this tips and tricks, we will see the big differences between Proc SQL and Data Step and list the pro's and the con's of both of them.
SAS macro language allows you to process dynamically all the files of a directory or all the files of a library . Different technic exist depending on the nature of the files. This tips and tricks discuss the case when your files are datasets present in a single library and discuss the case when we manipulate flat files in a folder structure.
The SAS hash object is meant to enable you to quickly and efficiently store, search, and retrieve data based on lookup keys , Conceptually, the hash object provides programmers the means to easily define and utilize a hash table within the Data Step.
Indexes are special reference tables that the SAS engine can use to speed up data retrieval. Simply put, an index is a pointer to data in a table. In this tips and tricks we will discuss how you can create and use SAS indexes.
Macro variables are tools that enable you to dynamically modify the text in a SAS program through symbolic substitution. You can assign large or small amounts of text to macro variables, when you reference the variable afterward the text that it contains will substitute the variable name.
Macro programs or Macros are compiled line of codes referred by a name that you can call anywhere in a SAS program using that name. This allows you to create SAS toolbox of code which can be used in different codes, using different parameters, using Conditional processing....
At the era of the big data, it's very common to have lot of variables to manipulate in blocks of variables. Arrays, Do loops and variable lists are powerful data manipulation tools that help make code more efficient for repetitive operation.