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The full name of SAS system is Statistics Analysis System, which was first written by two graduate students of biostatistics in North Carolina State University. 1976, SAS software institute was established and SAS software was officially launched. SAS is a large-scale integrated information system for decision support, but the earliest function of the software system is limited to statistical analysis, which is still an important part and core function. The current version of SAS is version 9.4, which is about 8G in size.
After years of development, SAS has been adopted by nearly 30,000 organizations in more than 20 countries and regions around the world, with more than 3 million direct users, covering financial, medical and health, production, transportation, communication, government, education, scientific research and other fields. In the field of data processing and statistical analysis, SAS system is known as the international standard software system, and was selected as the first choice product for establishing database in 1996 ~ 1997. Is a giant in the field of statistical software.
Baidu encyclopedia -SAS