Ray Lin


One of the key differentiators for Veda is its vast domain specific experience.

Vedainfo Inc is a 14 year old IT solutions company.
Our passion is to transform the way business
gets done, with unique combination of world
class service, strategic thinking, creativity
and technological expertise. We design and
build powerful and meaningful IT business
systems. Onsite, Offsite and Offshore.

Statistical Analysis Systems (SAS) Practice


Statistical Analysis Systems (SAS) is a powerful programming language. The components of the language are called procedures. The procedures perform various things like different types of analysis, data management functions and produce different types of text-based and graphical presentation output.

  • Experienced in Installing SAS Grid client component includes SAS platform LSF7.0, SAS Management Console, SAS Data Integration Studio, SAS E Miner, SAS E Guide, SAS Metadata Server. And, other component in Grid Control Server such as Base SAS, SAS Connect, SAS Workspace and spawner.
  • Create user, group, role, grant them permission.
  • Perform back up the metadata repositories. Maintain system data integrity.
  • Start, stop, pause, resume metadata server and other servers.
  • Create, maintain definition for SAS library on Metadata server; register, publish new table, lock/clear existing file for data protection.
  • View, modify infrastructure configuration; attribute for SAS application.
Statistical Analysis Systems (SAS) Practice




Vedainfo’s purpose is to contribute for positive change by becoming the trusted partner of choice for customers and stake holders, and achieve global leadership position in select domains.

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  • Perform hotfix installation, generate help guideline and tips for developers.
  • Two levels security: (1) O.S. level. Do 2FA authentication integrated PIV/Smart card and PAM, LDAP/AD authentication. FACL. (2) Application level: using SSL for establishing an encrypted link between a web server and a browser. Configure omaconfig.xml, ACT.
  • Shell scripting: invoking /Submitting SAS in batch mode. Use X command to execute Perl script.

Developer tasks:

  • Testing, troubleshooting SAS program, find their syntax and logical errors.
  • Optimization SAS program, save resource (CPU, memory, I/O) consumption.
  • Coding for ETL, macro, such as using X command through DDE read in Excel raw file, clean dirty data, meet CDISC format and through ODS output file.
  • Supporting analyst in data distribution; statistics; categorical; correlation; regression and variance (ANOVA).
  • Using RFM criteria to divide customer into segments for CRM such as which program were most welcomed by what kind shopping behavior customer.
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