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SAS, Inc

SAS, Inc. Founded in the 1960’s. Based in Cary, NC Worlds largest privately held software company Winner of numerous editor and consumer awards. Success. 30-55% of budget spent on R and D. Over 20 years of double digit growth. 3.5 Million users in 31,000 in 120 countries

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SAS, Inc

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  1. SAS, Inc • Founded in the 1960’s. • Based in Cary, NC • Worlds largest privately held software company • Winner of numerous editor and consumer awards

  2. Success • 30-55% of budget spent on R and D. • Over 20 years of double digit growth. • 3.5 Million users in 31,000 in 120 countries • All of the Fortune 100 • 90% of the Global 500 • Most major universities and government agencies

  3. SAS Suite

  4. Databases

  5. Platforms • MVS • VMS • NT • Unix • Mac

  6. Protocols • APPC • TCP/IP • DECnet • NETBIOS • HLLAPI • TELNET • ASYNC

  7. Application Languages • C • FORTRAN • PL/1 • IBM Assembler • SAS Macro language

  8. Advanced Analysis Types • OLAP • Seasonal variances • Mechanical, electronic, hydraulic and hydrological systems modeling • Medical imaging, oil exploration, pharmaceutical studies, environmental sciences, and financial analysis. • Psychometrics

  9. Advanced Analysis Types - 2 • Heteroscedasticity • Chloropleth maps • Kalman Filtering • Cook’s D • Dfbetas • Weibull Distributions using Kolmogorov’s Statistic

  10. Advanced Analysis Types - 3 • Gantt charts • Kruskal-Wallis, Wilcoxon-Mann-Whitney, and Friedman tests. • Poisson regression • Ishikawa diagrams

  11. Vision Products • IT Service Vision • HR Vision • CFO Vision • SAS/PH-Clinical

  12. SAS Web Development • All of the benefits of the browser paradigm • make your information available to users around the world • no costly clients • only one place to update code • reduced paper expense • Static Web pages can be saved and presented, but the power is in using dynamic pages that actually make calls to the SAS System and calculate the results before sending them to the user. Facilities even exist for ad-hoc end-user reporting through a browser.

  13. Web Development - 2 • SAS web development tools • Provide standardized methods for web enablement that don’t require SAS, CGI or PERL expertise. • Allow customers to leverage their SAS investment. • Approaches web development in two ways • HTML formatters to develop static Web pages. • SAS/IntrNet to create dynamic web pages that accept user inputs and facilitate SAS software analysis with drill down capabilities.

  14. Web Development - 3 • All of the SAS Web publishing tools are implemented as SAS macros which are imbedded in SAS programs in interactive or batch mode. • Interactive mode • only available in Release 6.12 • the user runs the desired SAS procedure and then selects the HTML formatting options through a graphical interface. These formatting options can then be saved and used in batch mode. • Batch mode • the same macros are used but instead of specifying format settings using the interactive interface, the settings are specified as arguments to the macros.

  15. Web Development - 4 • Formatters and graphic drivers used for static web pages: • HTML output formatter which captures output form the SAS output or log window and generates HTML code. • HTML data set formatter which captures any SAS data set, including views, and generates HTML table code. • HTML tabulate formatter which captures PROC TABULATE output and generates HTML table code. • Graphics drivers which uses the existing drivers in SAS/GRAPH software to create GIF and JPEG output which are the most widely supported graphics formats on the Web.

  16. Web Development - 5 • Unlike creating static Web pages by running a SAS program as a separate, preliminary step, creating dynamic web pages entails using a SAS program on a server which delivers the results to a Web browser. • The SAS tools for dynamic pages are conceptually similar to traditional applications development tools, and the web browser is the graphical user interface (GUI) to perform specific tasks. The dynamic web tools include both a data services offering and a compute services offering.

  17. Web Development - 6 • Data Services are drivers that link the user with a database. The user passes a query to the data services driver which in turn interacts with the database management system and receives the results back. In most cases, another application, typically written in Java or CGI, is passed the results from the data service and generates a report back to the browser.

  18. Web Development - 7 • The three data services components: • htmSQL is a CGI application currently just for UNIX based Webservers. • ODBC drivers which allow any Windows application (or any Window-based Webserver (ie Microsoft IIS) to access SAS data and passes the results to a data formatting program. • JDBC drivers give Java programs access to SAS data. The JDBC drivers are essentially a Java class library that allow the user to specify a SQL query, send it to the server, get the results back and then do something with it.

  19. Web Development - 8 • Compute Services provide the ability to run a SAS program directly from a browser. The user selects the SAS program, where it is to be run, and what output desired. So it's a gateway that allows access to SAS functionality from a local thin client.

  20. Summary • Very powerful • Very flexible • Very complex • Wide data input accessibility while still maintaining security

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