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Equipment

Hardware: Each biostatistician and data analyst has a Microsoft Windows-based desktop or laptop personal Dell XP computer , at least 100 GB hard drive memory space, and a CD/DVD drive.

The Biometrics Shared Resource has two powerful UNIX servers and three powerful UNIX workstation running Solaris 9 operating systems.

  1. One UNIX server is Sun Fire V490 with two UltraSPARC IV+ 1.5 GHz CPUs with 32 MB cache per processor, 8 GB memory and 296 GB disk space.
  2. The second server is Sun Fire X4100 with two AMD Opteron Model 275 (2.2GHz/1MB) dual core CPU, 4GB memory and 146 GB disk space.
  3. One workstation is Sun Blade 2000 with two UltraSPARC III Cu 1.05 GHz CPUs with 8-MB External Cache per processor, 4GB memory and 146 GB disk space.
  4. The second workstation is Sun Blade 2000 with two UltraSPARC III 900 MHz CPUs with 8-MB External Cache per processor, 4GB memory and 110 GB disk space.
  5. The third workstation is Sun Ultra 80 with two UltraSPARC II 450 MHz CPUs with 4-MB L2 Cache per processor, 1 GB memory and 18 GB disk space.

The UNIX workstations are located at CINJ and are connected to the university network so that authorized users can access them via the Internet. Yong Lin manages these workstations with assistance of Mr. John Oleynick. There is full backup daily and monthly, with incremental backups daily and each weekend. The monthly backup tapes are secured and locked off site. The combination of server-client and cluster computing approaches assures flexibility and cost-effectiveness for using commercial software for analyses and for implementing locally developed applications. This hardware structure is capable of processing and manipulating large data sets and performing computing-intensive data analyses and simulations. It is particularly cost-effective for performing large-scale data mining and complex exploratory research in bioinformatics.

Software: In addition to the standard package of Microsoft Office for Windows 2000 for PCs, additional statistical and numerical analysis software packages and compilers are installed on the UNIX machines, including S-Plus, SAS, R, C, C++, and Fortran. Other statistical software on PCs includes M-Plus, Solas, SPSS, STATA, nQuery, SUDAAN, StatXact, Cluster, TreeView, and Epicure. The Biometrics faculty and staff develop their own computer programs using SAS and/or S-Plus (or R) when necessary. The computer programs for the design of Phase I and Phase II studies based on methodology described by Lin and Shih are available on the internet (www2.umdnj.edu/~linyo).