Ensuring sample independence in random sampling systems

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364717, G06F 102

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active

044727844

ABSTRACT:
A technique for ensuring independence of random samples of input queues of time-shared processing systems taken during a fixed interval to determine system usage involves interposing guardband intervals of minimum time duration between such samples. A stratified sampling method is disclosed which develops successive stratum or subintervals, positions a data sampling at a random point in each subinterval and interposes a guardband interval between successive subintervals. A simple random sampling method is disclosed which takes a sampling at the termination of a random subinterval and interposes a guardband interval between successive random subintervals.

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patent: 4320400 (1982-03-01), Chasek
"A New Methodology for Computer System Data Gathering", R. A. Orchard, Computer Science and Technology: Computer Performance Evaluation User Group (CPEUG), Sep. 1977, pp. 159-167.
Hybrid Simulation of Measurement Procedures, J. Sztipanovits, Conference Proceedings of the 8th AICA Congress, Aug. 1976, pp. 243-249.

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