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[Use of personal computers for statistical analyses].

E Hannisdal1, B Vonen

  • 1Onkologisk avdeling Det Norske Radiumhospital, Oslo.

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|January 30, 1991
PubMed
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Personal computer (PC) hardware significantly impacts statistical analysis speed. Adding a floating-point coprocessor dramatically reduces analysis time, making older PCs potentially sufficient for many statistical tasks.

Area of Science:

  • Computer Science
  • Statistics
  • Computational Science

Context:

  • Performance evaluation of personal computers (PCs) for statistical computing.
  • Variability in computational time for diverse statistical analyses.
  • Impact of hardware configurations on data processing efficiency.

Purpose:

  • To quantify the elapsed time for statistical analyses across different personal computer (PC) hardware.
  • To assess the performance difference with and without a floating-point coprocessor.
  • To guide hardware selection for statistical computing needs.

Summary:

  • Elapsed time for statistical analyses varied significantly across 23 different PCs.
  • Analysis time increased by 10 to 113 minutes on a single PC without a floating-point coprocessor.

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  • With a floating-point coprocessor, analysis times ranged from 2 to 45 minutes on 80486 to 8086 PCs.

    • Impact:

    • PC hardware requirements are contingent on the type and frequency of statistical analyses performed.
    • An 80286/80287 PC with a floating-point coprocessor may offer adequate performance for many users.
    • Findings inform researchers and analysts on optimizing computational resources for statistical tasks.