WeibullGeneralOptions Class: Difference between revisions

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{{Template:APIClass|WeibullGeneralOptions Class|WeibullGeneralOptions}}
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=== Properties  ===
 
*'''[[WarnNegLocation]]''' {{APIComment|Whether to generate a warning if location parameter is negative.}}
<onlyinclude>Represents the calculation settings of the associated [[WeibullDataSet Class|WeibullDataSet]] object.</onlyinclude>
*'''[[DiscardNegLocation ]]''' {{APIComment|For rank regression, resets location parameter to 0. For MLE finds the maximum in the possible domain.}}
 
*'''[[ResetExpLocation]]''' {{APIComment|For exponential distribution with rank regression, if the location parameter is greater than the first time-to-failure (T1), it is reset to T1.}}
== Properties  ==
*'''[[Use3PTrueMLE ]]''' {{APIComment|Whether to use a full MLE solution on 3-parameter Weibull.}}
{| {{APITable}}
*'''[[UseExtendedGGamma ]]''' {{APIComment|If set to true, allows the Lambda parameter in the Generalized Gamma distribution to be negative.}}
|-
*'''[[AllowBiasingNormal ]]''' {{APIComment|If set to true and using normal distribution (complete data only), corrects the MLE Std (sigma) for biasedness.}}
| style="width: 180px;"|AllowBiasingNormal||Indicates whether to correct the MLE standard deviation (sigma) value for biasedness (applies to complete data only). '''Boolean'''. Default value = False.
*'''[[UsePlottedYPoints ]]''' {{APIComment|If set to true, uses computed plot points in obtaining D for Kolmogorov-Smirnov test.}}
|-
|DiscardNegLocation||Indicates whether to discard the location parameter when it contains a negative value. '''Boolean'''. Default value = False.
|-
|ResetExpLocation||Indicates whether to reset the value of the location parameter equal to the first failure time, T1, if the parameter is greater than T1. (Exponential distribution only.) '''Boolean'''. Default value = True.
|-
|Use3PTrueMLE||Indicates whether to use a true 3-parameter MLE solution for 3-parameter Weibull. '''Boolean'''. Default value = False.
|-
|UseExtendedGGamma||Indicates whether to allow the lambda parameter of the generalized gamma distribution to take negative values. '''Boolean'''. Default value = True.
|-
|UsePlottedYPoints||Indicates whether to use the plotted points (using median ranks or Kaplan-Meier) to calculate the difference between observed and model estimated probability for the Kolmogorov-Smirnov test. '''Boolean'''. Default value = True.
|-
|WarnNegLocation||Indicates whether a warning will be generated when the location parameter contains a negative value. '''Boolean'''. Default value = False.
|}
 
 
== Example ==
The following example demonstrates how to initialize the settings for a particular WeibullDataSet object.
 
'''VBA|VB.NET'''
{{APIComment|'Declare a new WeibullDataSet object.}}
  {{APIPrefix|Dim}} WDS {{APIPrefix|As New}} WeibullDataSet
 
{{APIComment|'Specify the settings.}}
  WDS.GeneralSettings.AllowBiasingNormal = False
  WDS.GeneralSettings.DiscardNegLocation = False
  WDS.GeneralSettings.ResetExpLocation = True
  WDS.GeneralSettings.Use3PTrueMLE = False
  WDS.GeneralSettings.UseExtendedGGamma = False
  WDS.GeneralSettings.UsePlottedYPoints = False
  WDS.GeneralSettings.WarnNegLocation = False

Latest revision as of 20:26, 24 June 2016

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Represents the calculation settings of the associated WeibullDataSet object.

Properties

Name Description
AllowBiasingNormal Indicates whether to correct the MLE standard deviation (sigma) value for biasedness (applies to complete data only). Boolean. Default value = False.
DiscardNegLocation Indicates whether to discard the location parameter when it contains a negative value. Boolean. Default value = False.
ResetExpLocation Indicates whether to reset the value of the location parameter equal to the first failure time, T1, if the parameter is greater than T1. (Exponential distribution only.) Boolean. Default value = True.
Use3PTrueMLE Indicates whether to use a true 3-parameter MLE solution for 3-parameter Weibull. Boolean. Default value = False.
UseExtendedGGamma Indicates whether to allow the lambda parameter of the generalized gamma distribution to take negative values. Boolean. Default value = True.
UsePlottedYPoints Indicates whether to use the plotted points (using median ranks or Kaplan-Meier) to calculate the difference between observed and model estimated probability for the Kolmogorov-Smirnov test. Boolean. Default value = True.
WarnNegLocation Indicates whether a warning will be generated when the location parameter contains a negative value. Boolean. Default value = False.


Example

The following example demonstrates how to initialize the settings for a particular WeibullDataSet object. 

VBA|VB.NET

 'Declare a new WeibullDataSet object. 
  Dim WDS As New WeibullDataSet
 
 'Specify the settings. 
  WDS.GeneralSettings.AllowBiasingNormal = False
  WDS.GeneralSettings.DiscardNegLocation = False
  WDS.GeneralSettings.ResetExpLocation = True
  WDS.GeneralSettings.Use3PTrueMLE = False
  WDS.GeneralSettings.UseExtendedGGamma = False
  WDS.GeneralSettings.UsePlottedYPoints = False
  WDS.GeneralSettings.WarnNegLocation = False
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