STATBEAN Name: CapabilityAnalysis
Purpose: Performs a process capability analysis to determine how well a column of numeric data conforms to a set of specification limits.
DataSource: Any.
Read/Write Properties
| Name | Type | Description | Possible Values | Default Value |
| confidenceLevel | double | Level of confidence for the capability index limits, as a percentage. | 0.0001-99.9999 | 95.0 |
| distributionName | String | Name of distribution upon which predicted percent out of spec and indices are based. | "Exponential", "Extreme value", "Gamma", "Laplace", "Logistic", "Lognormal", "Normal", "Weibull" |
"Normal" |
| labelUsingP | boolean | Whether to use the leter "P" to label the indices rather than "S". | true,false. | false |
| lowerSpecificationLimit | double | Location of lower specification limit, if any. | Any double value. | none |
| nominal | double | Location of nominal or target value, if any. | Any double value. | none |
| tablewiseExclusion | boolean | Whether all rows of the data table containing a missing value in any column should be excluded from the calculations. | true,false | false |
| upperSpecificationLimit | double | Location of upper specification limit, if any. | Any double value. | none |
| xVariableName | String | The name of the column with the data. | Any string. | "X" |
Other Public Methods
| Name | Description | Arguments | Return Value |
| double getCp() | Returns the estimated capability index. | None. | Capability index. |
| double getCpk() | Returns the estimated capability index. | None. | Capability index. |
| double getCpkLower() | Returns the estimated capability index. | None. | Capability index. |
| double getCpkUpper() | Returns the estimated capability index. | None. | Capability index. |
| double getCpm() | Returns the estimated capability index. | None. | Capability index. |
| double getCr() | Returns the estimated capability index. | None. | Capability index. |
| double getPredictedAboveUpperLimit() | Returns the percentage of the fitted distribution above the upper spec limit. | None. | Percentage. |
| double getPredictedBelowLowerLimit() | Returns the percentage of the fitted distribution below the lower spec limit. | None. | Percentage. |
| double getK() | Returns the estimated capability index. | None. | Capability index. |
| double getLowerLimitCp() | Returns the lower confidence limit for the capability index. | None. | Capability index. |
| double getLowerLimitCpk() | Returns the lower confidence limit for the capability index. | None. | Capability index. |
| double getLowerLimitCpm() | Returns the lower confidence limit for the capability index. | None. | Capability index. |
| double getLowerLimitCr() | Returns the lower confidence limit for the capability index. | None. | Capability index. |
| double getObservedAboveUpperLimit() | Returns the percentage of the data above the upper spec limit. | None. | Percentage. |
| double getObservedBelowLowerLimit() | Returns the percentage of the data below the lower spec limit. | None. | Percentage. |
| double getSampleMean() | Returns the estimated process mean. | None. | Mean. |
| double getSampleSigma() | Returns the estimated process standard deviation. | None. | Sigma. |
| int getSampleSize() | Returns the number of observations in the sample. | None. | Sample size n. |
| double getUpperLimitCp() | Returns the upper confidence limit for the capability index. | None. | Capability index. |
| double getUpperLimitCpk() | Returns the upper confidence limit for the capability index. | None. | Capability index. |
| double getUpperLimitCpm() | Returns the upper confidence limit for the capability index. | None. | Capability index. |
| double getUpperLimitCr() | Returns the upper confidence limit for the capability index. | None. | Capability index. |
| double getZScoreAbove() | Returns the z-score for the upper specification limit. | None. | Z-score. |
| double getZScoreBelow() | Returns the z-score for the lower specification limit. | None. | Z-score. |
| double getZScoreNominal() | Returns the z-score for the nominal value. | None. | Z-score. |
Added January, 2019
| Name | Description | Arguments | Return Value |
| double getShorttermCp() | Returns the estimated capability index. | None. | Capability index. |
| double getShorttermCpk() | Returns the estimated capability index. | None. | Capability index. |
| double getShorttermCpkLower() | Returns the estimated capability index. | None. | Capability index. |
| double getShorttermCpkUpper() | Returns the estimated capability index. | None. | Capability index. |
| double getShorttermCr() | Returns the estimated capability index. | None. | Capability index. |
| double getShorttermSigma() | Returns the estimated capability index. | None. | Capability index. |
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