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is a possible value for the RegressionReport option for Regress and DesignedRegress which represents the effect on parameter values if data points are omitted.
  • BestFitParametersDelta gives a list of values which measure the effect of removing a data point on the fitted parameters.
  • The ith element in the list measures the effect of removing the ith element of the data set.
  • BestFitParametersDelta is also referred to as DFBETAS.