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Trending system

  • US 20050165520A1
  • Filed: 02/22/2005
  • Published: 07/28/2005
  • Est. Priority Date: 01/28/2004
  • Status: Active Grant
First Claim
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1. A trending system comprising:

  • a sliding window filter; and

    wherein;

    the sliding window filter receives a data set from a clock system;

    the data set comprises a plurality of data points;

    the sliding window filter selects multiple data windows in the data set;

    each of the data windows includes a subset plurality of the data points in the data set;

    the sliding window filter generates estimates, upper confidence bounds and lower confidence bounds for each data point through regression and interval estimation over each of the multiple data windows that includes the data point;

    the sliding window filter compares the interval widths of the confidence intervals produced by regression over each of the multiple data windows that includes the data point; and

    the sliding window filter selects a fit for each data point that results in the smallest confidence interval for that data point.

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