10 keywords taken out from SAS Global Forum 2012

shiyiming · 发表于 2012-4-26 23:42:48

From Dapangmao's blog on sas-analysis

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1. In-memory 
SAS is famous for hitting hard disk at every operation, which is a proved strategy to save memory.  To speed up the processing of ‘Big Data’, SAS at the server side will aggregate memories, load data into memory and then deal with data there, which is 1000 times faster than the hard disk based operation. 
 
2. Hadoop 
<a href="http://www.informationweek.com/news/software/bi/231903100">Informationweek described </a>that Dr. Goodnight, CEO of SAS, loathes Hadoop, the distributed open source platform. However, this time SAS presented its DI Studio and SAS/ACCESS interface, which now allows data access by Hive and Pig. It looks like a challenge for SAS to run its statistical procedures on HDFS. 
 
3. Web application 
SAS’s applications obviously start to move toward web, like <a href="http://www.sas.com/technologies/bi/visual-analytics.html">SAS Visual Analytics</a>, which also fits various mobile devices. There is a way to distinguish a desktop application and a web application in SAS: the former’s default background is white and the latter is black. 
 
4. High performance procedures 
SAS is vigorously developing the procedures with HP as prefix, mostly for the servers. Currently 10-20 procedures in SAS/BASE and SAS/STAT can find their counterpart, such as PROC HPSummary and PROC HPLogistic. Those procedures can also run locally but does not improve the efficiency significantly. 
 
5. JMP 
JMP remains as a lean desktop analysis package while SAS evolves toward gigantic enterprise solution platforms. One interesting thing -- you can always find the motion chart (which JMP can do and SAS can’t) and <a href="http://en.wikipedia.org/wiki/John_Sall">John Sall </a>at the demo area. 
 
6. SAS 12.1 
Next release of SAS is not 9.4, but 12.1. SAS version 9, including 9.1, 9.2 and 9.3, dwells for almost a decade. Thus, the version update is quite a great leap forward. 
 
7. Data Step 2 
To support data management along with the high performance procedures at the servers, a language called Data Step 2 is under development. It is a strong typing language more like Java or C++ more than Data Step. However, SAS has a macro which can transform Data Step codes to Data Step 2. 
 
8. In-database 
SAS’s in-database technology now supports all database systems beyond Teradata and Greenplum. To avoid compilation error, it is better to apply ANSI SQL functions instead of SAS’s own function. As for me, it is still not very clear how SAS passes its statistical procedures into the relation database systems. 
 
9. Risk management 
SAS’s risk management platform is quite mature and implemented the latest procedures like PROC COPULA. It seems that the end users have to own Bloomberg or other vendor’s license to update the market data. 
 
10. Statistical graph 
More SAS’s procedures and solution plans integrated layer-based statistical graph technology to visualize results. However, SAS’s Windowing Environment still doesn’t support Graph Template Language and the SG procedures, since it always shows red fonts warning syntax errors. 
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