Robust forecasting techniques with reduced sensitivity to anomalous data
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United States of America Patent
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Oct 27, 2009
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app pub date -
Mar 24, 2005
filing date -
Mar 24, 2005
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Abstract
Robust forecasting techniques are relatively immune from anomalies or outliers in observed data, such as a stream of data values reflective of the operation or use of a computer system. One robust technique provides a relatively accurate forecast of seasonal behavior even in the presence of an anomaly in corresponding historical data. Another robust forecasting technique provides a relatively accurate forecast even in the presence of an anomaly that spans multiple recent observations. In one embodiment, both techniques are used in combination to automatically detect anomalies in the operation and/or use of a multi-user computer system.
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