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Performance measurement is the process of collecting, analyzing and/or reporting information regarding the performance of an individual, group, organization, system or component. [dubious – discuss] [1] Definitions of performance measurement tend to be predicated upon an assumption about why the performance is being measured. [2]
In pattern recognition, information retrieval, object detection and classification (machine learning), precision and recall are performance metrics that apply to data retrieved from a collection, corpus or sample space. Precision (also called positive predictive value) is the fraction of relevant instances among the retrieved instances. Written ...
Overall equipment effectiveness (OEE) is a set of broadly accepted nonfinancial metrics that reflect manufacturing success. OEE = availability x performance x quality; Availability = run time / total time; by definition this is the percentage of the actual amount of production time the machine is running to the production time the machine is ...
Indexing and classification methods to assist with information retrieval have a long history dating back to the earliest libraries and collections however systematic evaluation of their effectiveness began in earnest in the 1950s with the rapid expansion in research production across military, government and education and the introduction of computerised catalogues.
The word metric is often used to mean a descriptive statistic, indicator, or figure of merit used to describe or measure something quantitatively, including: Performance indicator, a measure of an organization's activities and performance; Metrics (networking), the properties of a communication path used by a router to make routing decisions
Benchmarking is the practice of comparing business processes and performance metrics to industry bests and best practices from other companies. Dimensions typically measured are quality, time and cost.
The second set of performance metrics measures the computational resources used by the application for the load, indicating whether there is adequate capacity to support the load, as well as possible locations of a performance bottleneck. Measurement of these quantities establishes an empirical performance baseline for the application.
The Quality portion of the OEE Metric represents the Good Units produced as a percentage of the Total Units Started. The Quality Metric is a pure measurement of Process Yield that is designed to exclude the effects of Availability and Performance. The losses due to defects and rework are called quality losses and quality stops.