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METHODS AND COMPUTER PROGRAM PRODUCTS FOR EXCLUDING VARIATIONS ATTRIBUTABLE TO EQUIPMENT FROM SPLIT ANALYSIS PROCEDURES

  • US 20090150811A1
  • Filed: 12/10/2007
  • Published: 06/11/2009
  • Est. Priority Date: 12/10/2007
  • Status: Active Grant
First Claim
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1. A method for excluding variations attributable to equipment from split analysis procedures, the method including:

  • identifying one or more dependent variables related to at least one of a split analysis or an experiment to be performed;

    performing a test to ascertain whether or not a variation attributable to equipment exists with respect to any of the one or more identified dependent variables;

    if a variation attributable to equipment exists, constructing a target data set and a training data set, the target data set including the identified dependent variables and the training data set comprising any data set from which a statistical model may be constructed;

    identifying a signature for the variation attributable to equipment;

    selecting a statistical model based upon the identified signature;

    constructing the selected statistical model using the training data set to generate a statistical output;

    joining the target data set with the statistical output; and

    adjusting the identified dependent variables in the target data set using the statistical output.

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