SAS Tips and Tricks consists of half days/full days of knowledge transfer in SAS programming language and are organized by an experienced and motivated SAS consultant 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 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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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.
SAS hash objects are super fast in-memory technic allowing you to perform join operation, lookup, data check (etc.) this technic can be used on datasets but also when flat files are read allowing you to do data validation during the load phase of your data.
A Slowly Changing Dimension (SCD) is a dimension that stores and manages both current and historical data over time in a data warehouse. It is considered and implemented as one of the most critical ETL tasks in tracking the history of dimension records. Different SCD strategies could be implemented and this tips and tricks is focused on SCD1 where records are updated no history is kept and SCD2 where history is kept,
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.
Transposing your data is a common problem in data manipulation. Very often data are stored in narrow structure for flexibility and storage purpose and have to be transposed in wide structure or vice versa. When Proc transpose can be used to your data, it's quite easy to convert your data. However, it becomes more difficult to do it with Data Step. This tips and tricks shows you how you can transpose your data thanks to Data Step.
Creating CSV from SAS can be done in Data Step, Proc export or using ODS CSV. When CSV are not simple line of records, it becomes impossible to use this technic and Data Step programming is required.
XML files are not simple line of records, they have a hierarchy and they are not easy to create programmatically. Sometimes software cannot create complex XML files and it becomes mandatory to pass through this step. In this tips and tricks, we will see how we can create XML in Data Step.