lt.monarch.chart.spc.math
Class CpkValuesCalculator

java.lang.Object
  lt.monarch.chart.spc.math.ValuesCalculator
      lt.monarch.chart.spc.math.HistogramValuesCalculator
          lt.monarch.chart.spc.math.CpkValuesCalculator

public class CpkValuesCalculator
extends HistogramValuesCalculator

Calculates values for Cpk chart. Values are calculated using formulas: http://www.singleton-labs.com/doc/mcharts/guide/#guide/chart-types/4.6.1.html

Field Summary

Modifier and Type	Field and Description

Fields inherited from class lt.monarch.chart.spc.math.ValuesCalculator

nullName

Constructor and Description

CpkValuesCalculator()

Method Summary

Modifier and Type	Method and Description
protected double	averageRange(ChartDataModel dataModel) copied form range
double	CND(double X) Cumulative normal distribution formula
static double	erf(double d)
static double	erfc(double d)
static double	erfcx(double d)
java.lang.Double	getActualDPM(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates Actual DPM (defects per million)
java.lang.Double	getCP(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates Cp value.
java.lang.Double	getCPK(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates Cpk value.
java.lang.Double	getCPL(ChartDataModel dataModel, java.lang.Double lsl) Calculates CpL value.
java.lang.Double	getCPM(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl, java.lang.Double t) Calculates Cpm value.
java.lang.Double	getCPU(ChartDataModel dataModel, java.lang.Double usl) Calculates CpU value.
java.lang.Double	getDefectsPercent(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates defects percent.
java.lang.Double	getDPM(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates (Expected) DPM (defects per million)
java.lang.Double	getDPMPercent(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates (Expected) DPM (defects per million) percentage
static double	getInvCDF(double d, boolean highPrecision)
java.lang.Double	getMax(ChartDataModel dataModel) Finds the largest value in the data
java.lang.Double	getMedian(ChartDataModel dataModel) Finds the median value in the data
java.lang.Double	getMin(ChartDataModel dataModel) Finds the smallest value in the data
java.lang.Double	getMode(ChartDataModel dataModel) Finds the mode value in the data
protected int	getN(ChartDataModel dataModel) Return count of value data in the given data model
static ChartDataModel	getNormalDistributionModel(double from, double to, double step, double mean, double std) Constructs normal distribution model according parameters.
java.lang.Double	getPP(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates Pp value.
java.lang.Double	getPPK(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates Ppk value.
java.lang.Double	getPPL(ChartDataModel dataModel, java.lang.Double lsl) Calculates PpL value.
java.lang.Double	getPPU(ChartDataModel dataModel, java.lang.Double usl) Calculates PpU value.
protected double	getRange(java.util.List<java.lang.Object> data) Returns data range from the given data list
java.lang.Double	getSigmaCapability(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates Sigma capability
java.lang.Double	getZBench(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl) Calculates Z bench (Sigma Level)
java.lang.Double	getZTarget(ChartDataModel dataModel, java.lang.Double lsl, java.lang.Double usl, java.lang.Double target) Calculates Z target
static double	refine(double x, double d)
double	sq(double x) Square value.
double	standardDeviation(java.util.List<java.lang.Object> values) from sigma
void	validateDataModel(ChartDataModel dataModel) Checks if cpk data satisfies the minimal requirements.

Methods inherited from class lt.monarch.chart.spc.math.HistogramValuesCalculator

getCount, getDataModel, getMean, getNormalDistributionModel, getStdDev

Methods inherited from class lt.monarch.chart.spc.math.ValuesCalculator

average, fill, fill, fillColumn, fillColumn, fillConstant, fillConstant, getAverage, getc4, getColumn, getd2, getd3, getD3, getD4, getDouble, getE, getF, getG, getH, isEmpty, isNconstant, validateDataModel, validateDataModel

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CpkValuesCalculator

public CpkValuesCalculator()

Method Detail

getPP

public java.lang.Double getPP(ChartDataModel dataModel,
                              java.lang.Double lsl,
                              java.lang.Double usl)
                       throws DataFormatException

Calculates Pp value.

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

Pp value.

Throws:

DataFormatException - when invalid data is provided in the data model

getPPL

public java.lang.Double getPPL(ChartDataModel dataModel,
                               java.lang.Double lsl)
                        throws DataFormatException

Calculates PpL value.

Parameters:

dataModel - input data.

lsl - lower specification limit

Returns:

PpL value.

Throws:

DataFormatException - when invalid data is provided in the data model

getPPU

public java.lang.Double getPPU(ChartDataModel dataModel,
                               java.lang.Double usl)
                        throws DataFormatException

Calculates PpU value.

Parameters:

dataModel - input data.

usl - upper specification limit

Returns:

PpU value.

Throws:

DataFormatException - when invalid data is provided in the data model

getPPK

public java.lang.Double getPPK(ChartDataModel dataModel,
                               java.lang.Double lsl,
                               java.lang.Double usl)
                        throws DataFormatException

Calculates Ppk value.

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

Ppk value.

Throws:

DataFormatException - when invalid data is provided in the data model

getCP

public java.lang.Double getCP(ChartDataModel dataModel,
                              java.lang.Double lsl,
                              java.lang.Double usl)
                       throws DataFormatException

Calculates Cp value.

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

Cp value.

Throws:

DataFormatException - when invalid data is provided in the data model

getCPU

public java.lang.Double getCPU(ChartDataModel dataModel,
                               java.lang.Double usl)
                        throws DataFormatException

Calculates CpU value.

Parameters:

dataModel - input data.

usl - upper specification limit

Returns:

CpU value.

Throws:

DataFormatException - when invalid data is provided in the data model

getCPL

public java.lang.Double getCPL(ChartDataModel dataModel,
                               java.lang.Double lsl)
                        throws DataFormatException

Calculates CpL value.

Parameters:

dataModel - input data.

lsl - lower specification limit

Returns:

CpL value.

Throws:

DataFormatException - when invalid data is provided in the data model

getCPK

public java.lang.Double getCPK(ChartDataModel dataModel,
                               java.lang.Double lsl,
                               java.lang.Double usl)
                        throws DataFormatException

Calculates Cpk value.

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

Cpk value.

Throws:

DataFormatException - when invalid data is provided in the data model

getCPM

public java.lang.Double getCPM(ChartDataModel dataModel,
                               java.lang.Double lsl,
                               java.lang.Double usl,
                               java.lang.Double t)
                        throws DataFormatException

Calculates Cpm value.

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

t - target value (if null, t is calculated as (usl + lsl) / 2)

Returns:

Cpm value. if usl or lsl is null, returns null.

Throws:

DataFormatException - when invalid data is provided in the data model

getActualDPM

public java.lang.Double getActualDPM(ChartDataModel dataModel,
                                     java.lang.Double lsl,
                                     java.lang.Double usl)
                              throws DataFormatException

Calculates Actual DPM (defects per million)

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

Actual DPM value. if usl and lsl is null, returns 0.

Throws:

DataFormatException - when invalid data is provided in the data model

getDefectsPercent

public java.lang.Double getDefectsPercent(ChartDataModel dataModel,
                                          java.lang.Double lsl,
                                          java.lang.Double usl)
                                   throws DataFormatException

Calculates defects percent.

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

Defects count. if usl and lsl is null, returns 0.

Throws:

DataFormatException - when invalid data is provided in the data model

getDPM

public java.lang.Double getDPM(ChartDataModel dataModel,
                               java.lang.Double lsl,
                               java.lang.Double usl)
                        throws DataFormatException

Calculates (Expected) DPM (defects per million)

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

(Expected) DPM value. if usl and lsl is null, returns 0.

Throws:

DataFormatException - when invalid data is provided in the data model

getDPMPercent

public java.lang.Double getDPMPercent(ChartDataModel dataModel,
                                      java.lang.Double lsl,
                                      java.lang.Double usl)
                               throws DataFormatException

Calculates (Expected) DPM (defects per million) percentage

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

(Expected) DPM percentage. if usl and lsl is null, returns 0.

Throws:

DataFormatException - when invalid data is provided in the data model

getZBench

public java.lang.Double getZBench(ChartDataModel dataModel,
                                  java.lang.Double lsl,
                                  java.lang.Double usl)
                           throws DataFormatException

Calculates Z bench (Sigma Level)

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

Z bench value

Throws:

DataFormatException - when invalid data is provided in the data model

getZTarget

public java.lang.Double getZTarget(ChartDataModel dataModel,
                                   java.lang.Double lsl,
                                   java.lang.Double usl,
                                   java.lang.Double target)
                            throws DataFormatException

Calculates Z target

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

target - target value (if null, t is calculated as (usl + lsl) / 2)

Returns:

Z target value

Throws:

DataFormatException - when invalid data is provided in the data model

getSigmaCapability

public java.lang.Double getSigmaCapability(ChartDataModel dataModel,
                                           java.lang.Double lsl,
                                           java.lang.Double usl)
                                    throws DataFormatException

Calculates Sigma capability

Parameters:

dataModel - input data.

lsl - lower specification limit

usl - upper specification limit

Returns:

Sigma capability value

Throws:

DataFormatException - when invalid data is provided in the data model

getMin

public java.lang.Double getMin(ChartDataModel dataModel)
                        throws DataFormatException

Finds the smallest value in the data

Parameters:

dataModel - input data.

Throws:

DataFormatException - when invalid data is provided in the data model

getMax

public java.lang.Double getMax(ChartDataModel dataModel)
                        throws DataFormatException

Finds the largest value in the data

Parameters:

dataModel - input data.

Throws:

DataFormatException - when invalid data is provided in the data model

getMedian

public java.lang.Double getMedian(ChartDataModel dataModel)
                           throws DataFormatException

Finds the median value in the data

Parameters:

dataModel - input data.

Throws:

DataFormatException - when invalid data is provided in the data model

getMode

public java.lang.Double getMode(ChartDataModel dataModel)
                         throws DataFormatException

Finds the mode value in the data

Parameters:

dataModel - input data.

Throws:

DataFormatException - when invalid data is provided in the data model

sq

public double sq(double x)

Square value.

getNormalDistributionModel

public static ChartDataModel getNormalDistributionModel(double from,
                                                        double to,
                                                        double step,
                                                        double mean,
                                                        double std)

Constructs normal distribution model according parameters. Draws a normal distribution from starting point to the end point with specified step.

Parameters:

from - start x position

to - end x position

step - step size

mean - distribution mean

std - distribution standard deviation

Returns:

data model filled with normal distribution values.

validateDataModel

public void validateDataModel(ChartDataModel dataModel)
                       throws DataFormatException

Checks if cpk data satisfies the minimal requirements. Data should contain at least 2 data values.

Overrides:

validateDataModel in class HistogramValuesCalculator

Parameters:

dataModel - input chart data model.

Throws:

DataFormatException - when the data is invalid.

averageRange

protected double averageRange(ChartDataModel dataModel)
                       throws DataFormatException

copied form range

Parameters:

dataModel -

Returns:

Throws:

DataFormatException

getRange

protected double getRange(java.util.List<java.lang.Object> data)
                   throws DataFormatException

Returns data range from the given data list

Parameters:

data -

Returns:

Throws:

DataFormatException

getN

protected int getN(ChartDataModel dataModel)

Return count of value data in the given data model

Parameters:

dataModel -

Returns:

standardDeviation

public double standardDeviation(java.util.List<java.lang.Object> values)
                         throws DataFormatException

from sigma

Parameters:

values -

Returns:

Throws:

DataFormatException

CND

public double CND(double X)

Cumulative normal distribution formula

getInvCDF

public static double getInvCDF(double d,
                               boolean highPrecision)

erf

public static double erf(double d)

erfc

public static double erfc(double d)

erfcx

public static double erfcx(double d)

refine

public static double refine(double x,
                            double d)