WeibullBestFitOptions Class

Sets the Distribution Wizard and control panel settings for use with the CalculateBestFit method.

Properties

Distributions to Consider

• AllowExponential1 (type: boolean) Sets whether the 1-parameter exponential distribution will be considered.
• AllowExponential2 (type: boolean) Sets whether the 2-parameter exponential distribution will be considered.
• AllowNormal (type: boolean) Sets whether the normal distribution will be considered.
• AllowLognormal (type: boolean) Sets whether the lognormal distribution will be considered.
• AllowWeibull2 (type: boolean) Sets whether the 2-parameter Weibull distribution will be considered.
• AllowWeibull3 (type: boolean) Sets whether the 3-parameter Weibull distribution will be considered.
• AllowGamma (type: boolean) Sets whether the gamma distribution will be considered.
• AllowGenGamma (type: boolean) Sets whether the generalized gamma distribution will be considered.
• AllowLogistic (type: boolean) Sets whether the logistic distribution will be considered.
• AllowLoglogistic (type: boolean) Sets whether the log-logistic distribution will be considered.
• AllowGumbel (type: boolean) Sets whether the Gumbel distribution will be considered.

General Analysis Settings

• Analysis (type: WeibullSolverMethod) Sets the Weibull solver analysis methods
• RankingMethod (type: WeibullSolverRankMethod) Sets ranking method
• UseRSRegression (type: boolean) Sets whether or not to use RSRegression
• ConfBounds (type: WeibullSolverCBMethod) Sets Confidence Bounds
• SortBeforeCalculations (type: WeibullSolverMethod) Sets whether or not data is sorted before calculations.
• UngroupGroupedData (type: boolean) Sets whether or not data is ungrouped data

Application Setup Option

• UseSpecialSort (type: WeibullSolverMethod) Sets whether or not to Special Sort.

Formatted Usage Example

Declare the WeibullDataSet. See New WeibullDataSet for additional details.

       Dim WDS as New WeibullDataSet

Set the various Settings.

       WDS.BestFitSettings.AllowExponential1 = True
       WDS.BestFitSettings.AllowExponential2 = True
       WDS.BestFitSettings.AllowNormal = True
       WDS.BestFitSettings.AllowLognormal = True
       WDS.BestFitSettings.AllowWeibull2 = True
       WDS.BestFitSettings.AllowWeibull3 = True
       WDS.BestFitSettings.AllowGamma = True
       WDS.BestFitSettings.AllowGenGamma = True
       WDS.BestFitSettings.AllowLogistic = True
       WDS.BestFitSettings.AllowLoglogistic = True
       WDS.BestFitSettings.AllowGumbel = True
       WDS.BestFitSettings.Analysis = WeibullSolverMethod.MLE
       WDS.BestFitSettings.RankingMethod = WeibullSolverRankMethod.Median
       WDS.BestFitSettings.UseRSRegression = False
       WDS.BestFitSettings.ConfBounds = WeibullSolverCBMethod.FisherMatrix
       WDS.BestFitSettings.UngroupGroupedData = False
       WDS.BestFitSettings.SortBeforeCalculations = True
       WDS.BestFitSettings.UseSpecialSort = True