java.lang.Object
- org.rcsb.cif.model.BaseCategory
- - org.rcsb.cif.model.generated.PdbxDccDensity

All Implemented Interfaces:

Category
```
@Generated("org.rcsb.cif.generator.SchemaGenerator")
public class PdbxDccDensity
extends BaseCategory
```
Data items in the category record various overall metrics calculated by DCC and various wrapped programs (such as Xtriage, pointless, REFMAC ...).

Field Summary
- Fields inherited from class org.rcsb.cif.model.BaseCategory
  isText, textFields

Constructor Summary

Constructors
Constructor	Description
`PdbxDccDensity(String name)`
`PdbxDccDensity(String name, int rowCount, Object[] encodedColumns)`
`PdbxDccDensity(String name, Map<String,Column> columns)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`FloatColumn`	`getAnisotropy()`	The anisotropy ( [MaxAnisoB-MinAnisoB]/[MaxAnisoB] ) calculated by Xtriage.
`FloatColumn`	`getBisoMax()`	The maximum isotropic B factor reported in the model file.
`FloatColumn`	`getBisoMean()`	The occupancy weighted mean isotropic B factor reported in the model file.
`FloatColumn`	`getBisoMin()`	The minimum isotropic B factor reported in the model file.
`FloatColumn`	`getBmean_Bwilson()`	The difference between the isotropic B factor and the Bfators from Wilson plot.
`FloatColumn`	`getBSolvent()`	One of the scale factors used in the bulk solvent correction (from REFMAC).
`FloatColumn`	`getBWilson()`	The estimated B factor from the structure factor file by the Wilson plot (from Xtriage).
`FloatColumn`	`getBWilsonScale()`	The scale factor for calculating the B factor by the Wilson plot (from Xtriage).
`FloatColumn`	`getCorrelationOverall()`	The overall electron density correlation coefficient.
`FloatColumn`	`getCruickshankDpiXyz()`	The DPI on the model determined by REFMAC.
`StrColumn`	`getDCCVersion()`	The version of the DCC program.
`FloatColumn`	`getDpiFreeR()`	The DPI calculated based on the free set, determined by REFMAC.
`StrColumn`	`getError()`	Details of any error or warning messages.
`FloatColumn`	`getFom()`	The mean figure of merit after refinement.
`IntColumn`	`getFreeSetCount()`	The number of unique reflections for calculating Rfree (testing set) reported in the model file.
`StrColumn`	`getIceRing()`	Boolean whether ice ring exists (Y) or not (N) as determined by Xtriage.
`FloatColumn`	`getIOverSigIDiff()`	The difference of the <I/SigmaI> in the last two points of the plot of <I/SigmaI> vs resolution (expected to be negative).
`FloatColumn`	`getIOverSigIMean()`	The overall mean value of <I/SigmaI> for the reflections.
`FloatColumn`	`getIOverSigIResh()`	The <I/SigmaI> at the highest resolution bin calculated by Xtriage.
`StrColumn`	`getIsoBValueType()`	The type of B factors (partial or full) for the residue.
`FloatColumn`	`getKSolvent()`	One of the scale factors used in the bulk solvent correction (from REFMAC).
`FloatColumn`	`getLsDResHigh()`	The highest resolution limit reported in the model file.
`FloatColumn`	`getLsDResHighSf()`	The highest resolution limit calculated from the structure factor file.
`FloatColumn`	`getLsDResLowSf()`	The lowest resolution limit calculated from the structure factor file.
`FloatColumn`	`getMatthewCoeff()`	The Matthew coefficient.
`FloatColumn`	`getMeanE21Abs()`	Value of <\|E^2 - 1\|> calculated by Xtriage using acentric reflections.(untwinned: 0.736; perfect twin 0.541).
`FloatColumn`	`getMeanFSquareOverMeanF2()`	Value of <F>^2/<F^2> calculated by Xtriage using acentric reflections.(untwinned: 0.785; perfect twin 0.885).
`FloatColumn`	`getMeanI2OverMeanISquare()`	Value of <I^2>/<I>^2 calculated by Xtriage using acentric reflections.(untwinned: 2.000; perfect twin 1.500).
`IntColumn`	`getMFo_DFc_3sigmaNegative()`	The number of electron density negative peaks less than 3 sigma.
`IntColumn`	`getMFo_DFc_3sigmaPositive()`	The number of electron density positive peaks larger than 3 sigma.
`IntColumn`	`getMFo_DFc_6sigmaNegative()`	The number of electron density negative peaks less than 6 sigma.
`IntColumn`	`getMFo_DFc_6sigmaPositive()`	The number of electron density positive peaks larger than 6 sigma.
`IntColumn`	`getMtrixNumber()`	Number of matrix for the NCS groups used in refinement.
`IntColumn`	`getNcsGroupNumber()`	Number of NCS groups used in refinement.
`FloatColumn`	`getOccupancyMax()`	The maximum occupancy reported in the model file.
`FloatColumn`	`getOccupancyMean()`	The averaged occupancy reported in the model file.
`FloatColumn`	`getOccupancyMin()`	The minimum occupancy reported in the model file.
`FloatColumn`	`getPadilla_YeatesL2Mean()`	Value of <L^2> calculated by Xtriage using acentric reflections.
`FloatColumn`	`getPadilla_YeatesL2MeanPointless()`	Value of <L^2> calculated by Pointless using acentric reflections.
`FloatColumn`	`getPadilla_YeatesLMean()`	Value of <\|L\|> calculated by Xtriage using acentric reflections.
`StrColumn`	`getPartialBValueCorrectionAttempted()`	Whether attempt to convert the partial to full B factors before validation.
`StrColumn`	`getPartialBValueCorrectionSuccess()`	Whether the the conversion of partial B to full B factor is successful (Y) or not (N).
`StrColumn`	`getPdbid()`	The PDB id code.
`StrColumn`	`getPdbtype()`	The keywords of the structure (taken from _struct_keywords.pdbx_keywords).
`FloatColumn`	`getProbPeakValue()`	The probability to tell the existence of translational pseudo symmetry.
`FloatColumn`	`getRealSpaceROverall()`	The overall real space R factor.
`StrColumn`	`getReflectionStatusArchived()`	Whether the status is of reflection is archived (Y) or not (N).
`StrColumn`	`getReflectionStatusUsed()`	Whether the status of the reflection is used (Y) or not (N).
`StrColumn`	`getReflnsTwin()`	Boolean (Y/N) whether the twin is reported.
`FloatColumn`	`getRfree_Rwork()`	The difference between reported Rfree and reported Rwork.
`FloatColumn`	`getRValueRFree()`	The Rfree reported in the model file.
`FloatColumn`	`getRValueRWork()`	The Rwork reported in the model file.
`FloatColumn`	`getSolventContent()`	The solvent content.
`StrColumn`	`getSpaceGroupNameH_M()`	Hermann-Mauguin space-group symbol reported in the model file.
`StrColumn`	`getSpaceGroupPointless()`	Hermann-Mauguin space-group symbol calculated by the POINTLESS program using the structure factor file.
`IntColumn`	`getTlsGroupNumber()`	Number of TLS groups used in refinement.
`StrColumn`	`getTLSRefinementReported()`	Whether TLS was used in refinement.
`StrColumn`	`getTranslationalPseudoSymmetry()`	Boolean whether translational pseudo symmetry exist (Y) or not (N) as determined by Xtriage.
`StrColumn`	`getTwinByXtriage()`	Boolean (Y/N) whether twin is detected by Xtriage.
`StrColumn`	`getTwinFraction()`	Twin fractions determined by REFMAC.
`FloatColumn`	`getTwinFractionXtriage()`	The twin fraction determined by Xtriage.
`StrColumn`	`getTwinOperator()`	Twin operators determined by REFMAC.
`StrColumn`	`getTwinOperatorXtriage()`	A list of the twin operators determined by Xtriage.
`FloatColumn`	`getTwinRfactor()`	The Rfactor calculated by Xtriage using the twin operator related data.
`StrColumn`	`getTwinType()`	Type of twin (merohedral,Pseudo-merohedral or non-merohedral) determined by Xtriage.
`StrColumn`	`getUnitCell()`	The unit cell parameters (a b c alpha beta gamma) separated by a space.
`FloatColumn`	`getWavelength()`	The wavelength reported from the model file.
`IntColumn`	`getWorkingSetCount()`	The number of unique reflections for refinement (working set) reported in the model file.
`FloatColumn`	`getZ_score()`	Z-scores are computed (by Xtriage) on the basis of a Bernoulli model assuming independence of weak reflections with respect to anisotropy.
`FloatColumn`	`getZScoreLTest()`	Multivariate Z score for the L-test calculated by Xtriage using acentric reflections.

Methods inherited from class org.rcsb.cif.model.BaseCategory
getBinaryColumn, getCategoryName, getColumn, getColumnNames, getRowCount, isDefined

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.rcsb.cif.model.Category
columnNames, columns, get

- Constructor Detail
  - PdbxDccDensity
```
public PdbxDccDensity(String name,
                      Map<String,Column> columns)
```
  - PdbxDccDensity
```
public PdbxDccDensity(String name,
                      int rowCount,
                      Object[] encodedColumns)
```
  - PdbxDccDensity
```
public PdbxDccDensity(String name)
```
- Method Detail
  - getDCCVersion
```
public StrColumn getDCCVersion()
```
    The version of the DCC program.
    
    Returns:
    
    StrColumn
  - getPdbid
```
public StrColumn getPdbid()
```
    The PDB id code.
    
    Returns:
    
    StrColumn
  - getPdbtype
```
public StrColumn getPdbtype()
```
    The keywords of the structure (taken from _struct_keywords.pdbx_keywords).
    
    Returns:
    
    StrColumn
  - getUnitCell
```
public StrColumn getUnitCell()
```
    The unit cell parameters (a b c alpha beta gamma) separated by a space.
    
    Returns:
    
    StrColumn
  - getSpaceGroupNameH_M
```
public StrColumn getSpaceGroupNameH_M()
```
    Hermann-Mauguin space-group symbol reported in the model file.
    
    Returns:
    
    StrColumn
  - getSpaceGroupPointless
```
public StrColumn getSpaceGroupPointless()
```
    Hermann-Mauguin space-group symbol calculated by the POINTLESS program using the structure factor file.
    
    Returns:
    
    StrColumn
  - getLsDResHigh
```
public FloatColumn getLsDResHigh()
```
    The highest resolution limit reported in the model file.
    
    Returns:
    
    FloatColumn
  - getLsDResHighSf
```
public FloatColumn getLsDResHighSf()
```
    The highest resolution limit calculated from the structure factor file.
    
    Returns:
    
    FloatColumn
  - getLsDResLowSf
```
public FloatColumn getLsDResLowSf()
```
    The lowest resolution limit calculated from the structure factor file.
    
    Returns:
    
    FloatColumn
  - getRValueRWork
```
public FloatColumn getRValueRWork()
```
    The Rwork reported in the model file.
    
    Returns:
    
    FloatColumn
  - getRValueRFree
```
public FloatColumn getRValueRFree()
```
    The Rfree reported in the model file.
    
    Returns:
    
    FloatColumn
  - getWorkingSetCount
```
public IntColumn getWorkingSetCount()
```
    The number of unique reflections for refinement (working set) reported in the model file.
    
    Returns:
    
    IntColumn
  - getFreeSetCount
```
public IntColumn getFreeSetCount()
```
    The number of unique reflections for calculating Rfree (testing set) reported in the model file.
    
    Returns:
    
    IntColumn
  - getOccupancyMin
```
public FloatColumn getOccupancyMin()
```
    The minimum occupancy reported in the model file.
    
    Returns:
    
    FloatColumn
  - getOccupancyMax
```
public FloatColumn getOccupancyMax()
```
    The maximum occupancy reported in the model file.
    
    Returns:
    
    FloatColumn
  - getOccupancyMean
```
public FloatColumn getOccupancyMean()
```
    The averaged occupancy reported in the model file.
    
    Returns:
    
    FloatColumn
  - getBisoMin
```
public FloatColumn getBisoMin()
```
    The minimum isotropic B factor reported in the model file.
    
    Returns:
    
    FloatColumn
  - getBisoMax
```
public FloatColumn getBisoMax()
```
    The maximum isotropic B factor reported in the model file.
    
    Returns:
    
    FloatColumn
  - getBisoMean
```
public FloatColumn getBisoMean()
```
    The occupancy weighted mean isotropic B factor reported in the model file.
    
    Returns:
    
    FloatColumn
  - getBWilson
```
public FloatColumn getBWilson()
```
    The estimated B factor from the structure factor file by the Wilson plot (from Xtriage).
    
    Returns:
    
    FloatColumn
  - getBWilsonScale
```
public FloatColumn getBWilsonScale()
```
    The scale factor for calculating the B factor by the Wilson plot (from Xtriage).
    
    Returns:
    
    FloatColumn
  - getMeanI2OverMeanISquare
```
public FloatColumn getMeanI2OverMeanISquare()
```
    Value of <I^2>/<I>^2 calculated by Xtriage using acentric reflections.(untwinned: 2.000; perfect twin 1.500).
    
    Returns:
    
    FloatColumn
  - getMeanFSquareOverMeanF2
```
public FloatColumn getMeanFSquareOverMeanF2()
```
    Value of <F>^2/<F^2> calculated by Xtriage using acentric reflections.(untwinned: 0.785; perfect twin 0.885).
    
    Returns:
    
    FloatColumn
  - getMeanE21Abs
```
public FloatColumn getMeanE21Abs()
```
    Value of <|E^2 - 1|> calculated by Xtriage using acentric reflections.(untwinned: 0.736; perfect twin 0.541).
    
    Returns:
    
    FloatColumn
  - getPadilla_YeatesLMean
```
public FloatColumn getPadilla_YeatesLMean()
```
    Value of <|L|> calculated by Xtriage using acentric reflections. (untwinned: 0.500; perfect twin: 0.375).
    
    Returns:
    
    FloatColumn
  - getPadilla_YeatesL2Mean
```
public FloatColumn getPadilla_YeatesL2Mean()
```
    Value of <L^2> calculated by Xtriage using acentric reflections. (untwinned: 0.333; perfect twin: 0.200).
    
    Returns:
    
    FloatColumn
  - getPadilla_YeatesL2MeanPointless
```
public FloatColumn getPadilla_YeatesL2MeanPointless()
```
    Value of <L^2> calculated by Pointless using acentric reflections. (untwinned: 0.333; perfect twin: 0.200).
    
    Returns:
    
    FloatColumn
  - getZScoreLTest
```
public FloatColumn getZScoreLTest()
```
    Multivariate Z score for the L-test calculated by Xtriage using acentric reflections. It is a quality measure of the given spread in intensities. Good to reasonable data are expected to have a Z score lower than 3.5.
    
    Returns:
    
    FloatColumn
  - getTwinType
```
public StrColumn getTwinType()
```
    Type of twin (merohedral,Pseudo-merohedral or non-merohedral) determined by Xtriage.
    
    Returns:
    
    StrColumn
  - getTwinOperatorXtriage
```
public StrColumn getTwinOperatorXtriage()
```
    A list of the twin operators determined by Xtriage.
    
    Returns:
    
    StrColumn
  - getTwinFractionXtriage
```
public FloatColumn getTwinFractionXtriage()
```
    The twin fraction determined by Xtriage.
    
    Returns:
    
    FloatColumn
  - getTwinRfactor
```
public FloatColumn getTwinRfactor()
```
    The Rfactor calculated by Xtriage using the twin operator related data. (Smaller values indicate twins).
    
    Returns:
    
    FloatColumn
  - getIOverSigIResh
```
public FloatColumn getIOverSigIResh()
```
    The <I/SigmaI> at the highest resolution bin calculated by Xtriage.
    
    Returns:
    
    FloatColumn
  - getIOverSigIDiff
```
public FloatColumn getIOverSigIDiff()
```
    The difference of the <I/SigmaI> in the last two points of the plot of <I/SigmaI> vs resolution (expected to be negative).
    
    Returns:
    
    FloatColumn
  - getIOverSigIMean
```
public FloatColumn getIOverSigIMean()
```
    The overall mean value of <I/SigmaI> for the reflections.
    
    Returns:
    
    FloatColumn
  - getIceRing
```
public StrColumn getIceRing()
```
    Boolean whether ice ring exists (Y) or not (N) as determined by Xtriage.
    
    Returns:
    
    StrColumn
  - getAnisotropy
```
public FloatColumn getAnisotropy()
```
    The anisotropy ( [MaxAnisoB-MinAnisoB]/[MaxAnisoB] ) calculated by Xtriage.
    
    Returns:
    
    FloatColumn
  - getZ_score
```
public FloatColumn getZ_score()
```
    Z-scores are computed (by Xtriage) on the basis of a Bernoulli model assuming independence of weak reflections with respect to anisotropy.
    
    Returns:
    
    FloatColumn
  - getProbPeakValue
```
public FloatColumn getProbPeakValue()
```
    The probability to tell the existence of translational pseudo symmetry. p_values smaller than 0.05 (1e-3) might indicate weak (strong) translational pseudo symmetry (by Xtriage).
    
    Returns:
    
    FloatColumn
  - getTranslationalPseudoSymmetry
```
public StrColumn getTranslationalPseudoSymmetry()
```
    Boolean whether translational pseudo symmetry exist (Y) or not (N) as determined by Xtriage.
    
    Returns:
    
    StrColumn
  - getWavelength
```
public FloatColumn getWavelength()
```
    The wavelength reported from the model file.
    
    Returns:
    
    FloatColumn
  - getBSolvent
```
public FloatColumn getBSolvent()
```
    One of the scale factors used in the bulk solvent correction (from REFMAC).
    
    Returns:
    
    FloatColumn
  - getKSolvent
```
public FloatColumn getKSolvent()
```
    One of the scale factors used in the bulk solvent correction (from REFMAC).
    
    Returns:
    
    FloatColumn
  - getTLSRefinementReported
```
public StrColumn getTLSRefinementReported()
```
    Whether TLS was used in refinement. Y for yes, and N for no.
    
    Returns:
    
    StrColumn
  - getPartialBValueCorrectionAttempted
```
public StrColumn getPartialBValueCorrectionAttempted()
```
    Whether attempt to convert the partial to full B factors before validation.
    
    Returns:
    
    StrColumn
  - getPartialBValueCorrectionSuccess
```
public StrColumn getPartialBValueCorrectionSuccess()
```
    Whether the the conversion of partial B to full B factor is successful (Y) or not (N).
    
    Returns:
    
    StrColumn
  - getReflectionStatusArchived
```
public StrColumn getReflectionStatusArchived()
```
    Whether the status is of reflection is archived (Y) or not (N).
    
    Returns:
    
    StrColumn
  - getReflectionStatusUsed
```
public StrColumn getReflectionStatusUsed()
```
    Whether the status of the reflection is used (Y) or not (N).
    
    Returns:
    
    StrColumn
  - getIsoBValueType
```
public StrColumn getIsoBValueType()
```
    The type of B factors (partial or full) for the residue.
    
    Returns:
    
    StrColumn
  - getReflnsTwin
```
public StrColumn getReflnsTwin()
```
    Boolean (Y/N) whether the twin is reported.
    
    Returns:
    
    StrColumn
  - getTwinByXtriage
```
public StrColumn getTwinByXtriage()
```
    Boolean (Y/N) whether twin is detected by Xtriage.
    
    Returns:
    
    StrColumn
  - getTwinOperator
```
public StrColumn getTwinOperator()
```
    Twin operators determined by REFMAC.
    
    Returns:
    
    StrColumn
  - getTwinFraction
```
public StrColumn getTwinFraction()
```
    Twin fractions determined by REFMAC.
    
    Returns:
    
    StrColumn
  - getTlsGroupNumber
```
public IntColumn getTlsGroupNumber()
```
    Number of TLS groups used in refinement.
    
    Returns:
    
    IntColumn
  - getNcsGroupNumber
```
public IntColumn getNcsGroupNumber()
```
    Number of NCS groups used in refinement.
    
    Returns:
    
    IntColumn
  - getMtrixNumber
```
public IntColumn getMtrixNumber()
```
    Number of matrix for the NCS groups used in refinement.
    
    Returns:
    
    IntColumn
  - getMatthewCoeff
```
public FloatColumn getMatthewCoeff()
```
    The Matthew coefficient.
    
    Returns:
    
    FloatColumn
  - getSolventContent
```
public FloatColumn getSolventContent()
```
    The solvent content.
    
    Returns:
    
    FloatColumn
  - getCruickshankDpiXyz
```
public FloatColumn getCruickshankDpiXyz()
```
    The DPI on the model determined by REFMAC.
    
    Returns:
    
    FloatColumn
  - getDpiFreeR
```
public FloatColumn getDpiFreeR()
```
    The DPI calculated based on the free set, determined by REFMAC.
    
    Returns:
    
    FloatColumn
  - getFom
```
public FloatColumn getFom()
```
    The mean figure of merit after refinement.
    
    Returns:
    
    FloatColumn
  - getCorrelationOverall
```
public FloatColumn getCorrelationOverall()
```
    The overall electron density correlation coefficient.
    
    Returns:
    
    FloatColumn
  - getRealSpaceROverall
```
public FloatColumn getRealSpaceROverall()
```
    The overall real space R factor.
    
    Returns:
    
    FloatColumn
  - getMFo_DFc_3sigmaPositive
```
public IntColumn getMFo_DFc_3sigmaPositive()
```
    The number of electron density positive peaks larger than 3 sigma.
    
    Returns:
    
    IntColumn
  - getMFo_DFc_6sigmaPositive
```
public IntColumn getMFo_DFc_6sigmaPositive()
```
    The number of electron density positive peaks larger than 6 sigma.
    
    Returns:
    
    IntColumn
  - getMFo_DFc_3sigmaNegative
```
public IntColumn getMFo_DFc_3sigmaNegative()
```
    The number of electron density negative peaks less than 3 sigma.
    
    Returns:
    
    IntColumn
  - getMFo_DFc_6sigmaNegative
```
public IntColumn getMFo_DFc_6sigmaNegative()
```
    The number of electron density negative peaks less than 6 sigma.
    
    Returns:
    
    IntColumn
  - getBmean_Bwilson
```
public FloatColumn getBmean_Bwilson()
```
    The difference between the isotropic B factor and the Bfators from Wilson plot.
    
    Returns:
    
    FloatColumn
  - getRfree_Rwork
```
public FloatColumn getRfree_Rwork()
```
    The difference between reported Rfree and reported Rwork.
    
    Returns:
    
    FloatColumn
  - getError
```
public StrColumn getError()
```
    Details of any error or warning messages.
    
    Returns:
    
    StrColumn

Class PdbxDccDensity

Field Summary

Fields inherited from class org.rcsb.cif.model.BaseCategory

Constructor Summary

Method Summary

Methods inherited from class org.rcsb.cif.model.BaseCategory

Methods inherited from class java.lang.Object

Methods inherited from interface org.rcsb.cif.model.Category

Constructor Detail

PdbxDccDensity

PdbxDccDensity

PdbxDccDensity

Method Detail

getDCCVersion

getPdbid

getPdbtype

getUnitCell

getSpaceGroupNameH_M

getSpaceGroupPointless

getLsDResHigh

getLsDResHighSf

getLsDResLowSf

getRValueRWork

getRValueRFree

getWorkingSetCount

getFreeSetCount

getOccupancyMin

getOccupancyMax

getOccupancyMean

getBisoMin

getBisoMax

getBisoMean

getBWilson

getBWilsonScale

getMeanI2OverMeanISquare

getMeanFSquareOverMeanF2

getMeanE21Abs

getPadilla_YeatesLMean

getPadilla_YeatesL2Mean

getPadilla_YeatesL2MeanPointless

getZScoreLTest

getTwinType

getTwinOperatorXtriage

getTwinFractionXtriage

getTwinRfactor

getIOverSigIResh

getIOverSigIDiff

getIOverSigIMean

getIceRing

getAnisotropy

getZ_score

getProbPeakValue

getTranslationalPseudoSymmetry

getWavelength

getBSolvent

getKSolvent

getTLSRefinementReported

getPartialBValueCorrectionAttempted

getPartialBValueCorrectionSuccess

getReflectionStatusArchived

getReflectionStatusUsed

getIsoBValueType

getReflnsTwin

getTwinByXtriage

getTwinOperator

getTwinFraction

getTlsGroupNumber

getNcsGroupNumber

getMtrixNumber

getMatthewCoeff

getSolventContent

getCruickshankDpiXyz

getDpiFreeR

getFom

getCorrelationOverall

getRealSpaceROverall

getMFo_DFc_3sigmaPositive

getMFo_DFc_6sigmaPositive

getMFo_DFc_3sigmaNegative

getMFo_DFc_6sigmaNegative