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ROOT
6.07/01
Reference Guide
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This class simply holds a sampling distribution of some test statistic.
The distribution can either be an empirical distribution (eg. the samples themselves) or a weighted set of points (eg. for the FFT method). The class supports merging.
Definition at line 44 of file SamplingDistribution.h.
Public Member Functions | |
SamplingDistribution (const char *name, const char *title, std::vector< Double_t > &samplingDist, const char *varName=0) | |
Constructor for SamplingDistribution. More... | |
SamplingDistribution (const char *name, const char *title, std::vector< Double_t > &samplingDist, std::vector< Double_t > &sampleWeights, const char *varName=0) | |
SamplingDistribution (const char *name, const char *title, const char *varName=0) | |
SamplingDistribution (const char *name, const char *title, RooDataSet &dataSet, const char *columnName=0, const char *varName=0) | |
SamplingDistribution () | |
Default constructor for SamplingDistribution. More... | |
virtual | ~SamplingDistribution () |
Destructor of SamplingDistribution. More... | |
Double_t | InverseCDF (Double_t pvalue) |
get the inverse of the Cumulative distribution function More... | |
Double_t | InverseCDFInterpolate (Double_t pvalue) |
get the inverse of the Cumulative distribution function More... | |
Double_t | InverseCDF (Double_t pvalue, Double_t sigmaVariaton, Double_t &inverseVariation) |
get the inverse of the Cumulative distribution function together with the inverse based on sampling variation More... | |
void | Add (const SamplingDistribution *other) |
merge two sampling distributions More... | |
Int_t | GetSize () const |
size of samples More... | |
const std::vector< Double_t > & | GetSamplingDistribution () const |
Get test statistics values. More... | |
const std::vector< Double_t > & | GetSampleWeights () const |
Get the sampling weights. More... | |
const TString | GetVarName () const |
Double_t | Integral (Double_t low, Double_t high, Bool_t normalize=kTRUE, Bool_t lowClosed=kTRUE, Bool_t highClosed=kFALSE) const |
numerical integral in these limits More... | |
Double_t | IntegralAndError (Double_t &error, Double_t low, Double_t high, Bool_t normalize=kTRUE, Bool_t lowClosed=kTRUE, Bool_t highClosed=kFALSE) const |
numerical integral in these limits including error estimation More... | |
Double_t | CDF (Double_t x) const |
calculate CDF as a special case of Integral(...) with lower limit equal to -inf More... | |
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TNamed () | |
TNamed (const char *name, const char *title) | |
TNamed (const TString &name, const TString &title) | |
TNamed (const TNamed &named) | |
TNamed & | operator= (const TNamed &rhs) |
TNamed assignment operator. More... | |
virtual | ~TNamed () |
virtual void | Clear (Option_t *option="") |
Set name and title to empty strings (""). More... | |
virtual TObject * | Clone (const char *newname="") const |
Make a clone of an object using the Streamer facility. More... | |
virtual Int_t | Compare (const TObject *obj) const |
Compare two TNamed objects. More... | |
virtual void | Copy (TObject &named) const |
Copy this to obj. More... | |
virtual void | FillBuffer (char *&buffer) |
Encode TNamed into output buffer. More... | |
virtual const char * | GetName () const |
Returns name of object. More... | |
virtual const char * | GetTitle () const |
Returns title of object. More... | |
virtual ULong_t | Hash () const |
Return hash value for this object. More... | |
virtual Bool_t | IsSortable () const |
virtual void | SetName (const char *name) |
Change (i.e. More... | |
virtual void | SetNameTitle (const char *name, const char *title) |
Change (i.e. set) all the TNamed parameters (name and title). More... | |
virtual void | SetTitle (const char *title="") |
Change (i.e. set) the title of the TNamed. More... | |
virtual void | ls (Option_t *option="") const |
List TNamed name and title. More... | |
virtual void | Print (Option_t *option="") const |
Print TNamed name and title. More... | |
virtual Int_t | Sizeof () const |
Return size of the TNamed part of the TObject. More... | |
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TObject () | |
TObject (const TObject &object) | |
TObject copy ctor. More... | |
TObject & | operator= (const TObject &rhs) |
TObject assignment operator. More... | |
virtual | ~TObject () |
TObject destructor. More... | |
virtual void | AppendPad (Option_t *option="") |
Append graphics object to current pad. More... | |
virtual void | Browse (TBrowser *b) |
Browse object. May be overridden for another default action. More... | |
virtual const char * | ClassName () const |
Returns name of class to which the object belongs. More... | |
virtual void | Delete (Option_t *option="") |
Delete this object. More... | |
virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
Computes distance from point (px,py) to the object. More... | |
virtual void | Draw (Option_t *option="") |
Default Draw method for all objects. More... | |
virtual void | DrawClass () const |
Draw class inheritance tree of the class to which this object belongs. More... | |
virtual TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current pad. More... | |
virtual void | Dump () const |
Dump contents of object on stdout. More... | |
virtual void | Execute (const char *method, const char *params, Int_t *error=0) |
Execute method on this object with the given parameter string, e.g. More... | |
virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=0) |
Execute method on this object with parameters stored in the TObjArray. More... | |
virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
Execute action corresponding to an event at (px,py). More... | |
virtual TObject * | FindObject (const char *name) const |
Must be redefined in derived classes. More... | |
virtual TObject * | FindObject (const TObject *obj) const |
Must be redefined in derived classes. More... | |
virtual Option_t * | GetDrawOption () const |
Get option used by the graphics system to draw this object. More... | |
virtual UInt_t | GetUniqueID () const |
Return the unique object id. More... | |
virtual const char * | GetIconName () const |
Returns mime type name of object. More... | |
virtual Option_t * | GetOption () const |
virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
Returns string containing info about the object at position (px,py). More... | |
virtual Bool_t | HandleTimer (TTimer *timer) |
Execute action in response of a timer timing out. More... | |
virtual Bool_t | InheritsFrom (const char *classname) const |
Returns kTRUE if object inherits from class "classname". More... | |
virtual Bool_t | InheritsFrom (const TClass *cl) const |
Returns kTRUE if object inherits from TClass cl. More... | |
virtual void | Inspect () const |
Dump contents of this object in a graphics canvas. More... | |
virtual Bool_t | IsFolder () const |
Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More... | |
virtual Bool_t | IsEqual (const TObject *obj) const |
Default equal comparison (objects are equal if they have the same address in memory). More... | |
Bool_t | IsOnHeap () const |
Bool_t | IsZombie () const |
virtual Bool_t | Notify () |
This method must be overridden to handle object notification. More... | |
virtual void | Paint (Option_t *option="") |
This method must be overridden if a class wants to paint itself. More... | |
virtual void | Pop () |
Pop on object drawn in a pad to the top of the display list. More... | |
virtual Int_t | Read (const char *name) |
Read contents of object with specified name from the current directory. More... | |
virtual void | RecursiveRemove (TObject *obj) |
Recursively remove this object from a list. More... | |
virtual void | SaveAs (const char *filename="", Option_t *option="") const |
Save this object in the file specified by filename. More... | |
virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
Save a primitive as a C++ statement(s) on output stream "out". More... | |
virtual void | SetDrawOption (Option_t *option="") |
Set drawing option for object. More... | |
virtual void | SetUniqueID (UInt_t uid) |
Set the unique object id. More... | |
virtual void | UseCurrentStyle () |
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More... | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) |
Write this object to the current directory. More... | |
virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const |
Write this object to the current directory. More... | |
void * | operator new (size_t sz) |
void * | operator new[] (size_t sz) |
void * | operator new (size_t sz, void *vp) |
void * | operator new[] (size_t sz, void *vp) |
void | operator delete (void *ptr) |
Operator delete. More... | |
void | operator delete[] (void *ptr) |
Operator delete []. More... | |
void | SetBit (UInt_t f, Bool_t set) |
Set or unset the user status bits as specified in f. More... | |
void | SetBit (UInt_t f) |
void | ResetBit (UInt_t f) |
Bool_t | TestBit (UInt_t f) const |
Int_t | TestBits (UInt_t f) const |
void | InvertBit (UInt_t f) |
virtual void | Info (const char *method, const char *msgfmt,...) const |
Issue info message. More... | |
virtual void | Warning (const char *method, const char *msgfmt,...) const |
Issue warning message. More... | |
virtual void | Error (const char *method, const char *msgfmt,...) const |
Issue error message. More... | |
virtual void | SysError (const char *method, const char *msgfmt,...) const |
Issue system error message. More... | |
virtual void | Fatal (const char *method, const char *msgfmt,...) const |
Issue fatal error message. More... | |
void | AbstractMethod (const char *method) const |
Use this method to implement an "abstract" method that you don't want to leave purely abstract. More... | |
void | MayNotUse (const char *method) const |
Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More... | |
void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
Use this method to declare a method obsolete. More... | |
Protected Member Functions | |
void | SortValues () const |
Chached vector with sum of the weight used to compute integral error. More... | |
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void | MakeZombie () |
virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
Interface to ErrorHandler (protected). More... | |
Private Attributes | |
std::vector< Double_t > | fSamplingDist |
std::vector< Double_t > | fSampleWeights |
vector of points for the sampling distribution More... | |
TString | fVarName |
vector of weights for the samples More... | |
std::vector< Double_t > | fSumW |
std::vector< Double_t > | fSumW2 |
Chached vector with sum of the weight used to compute integral. More... | |
Additional Inherited Members | |
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enum | EStatusBits { kCanDelete = BIT(0), kMustCleanup = BIT(3), kObjInCanvas = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5), kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13) } |
enum | { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff } |
enum | { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) } |
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static Long_t | GetDtorOnly () |
Return destructor only flag. More... | |
static void | SetDtorOnly (void *obj) |
Set destructor only flag. More... | |
static Bool_t | GetObjectStat () |
Get status of object stat flag. More... | |
static void | SetObjectStat (Bool_t stat) |
Turn on/off tracking of objects in the TObjectTable. More... | |
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TString | fName |
TString | fTitle |
#include <RooStats/SamplingDistribution.h>
RooStats::SamplingDistribution::SamplingDistribution | ( | const char * | name, |
const char * | title, | ||
std::vector< Double_t > & | samplingDist, | ||
const char * | varName = 0 |
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Constructor for SamplingDistribution.
RooStats::SamplingDistribution::SamplingDistribution | ( | const char * | name, |
const char * | title, | ||
std::vector< Double_t > & | samplingDist, | ||
std::vector< Double_t > & | sampleWeights, | ||
const char * | varName = 0 |
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RooStats::SamplingDistribution::SamplingDistribution | ( | const char * | name, |
const char * | title, | ||
const char * | varName = 0 |
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RooStats::SamplingDistribution::SamplingDistribution | ( | const char * | name, |
const char * | title, | ||
RooDataSet & | dataSet, | ||
const char * | columnName = 0 , |
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const char * | varName = 0 |
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SamplingDistribution::SamplingDistribution | ( | ) |
Default constructor for SamplingDistribution.
SamplingDistribution default constructor.
Definition at line 129 of file SamplingDistribution.cxx.
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virtual |
Destructor of SamplingDistribution.
SamplingDistribution destructor.
Definition at line 137 of file SamplingDistribution.cxx.
void SamplingDistribution::Add | ( | const SamplingDistribution * | other | ) |
merge two sampling distributions
Merge SamplingDistributions (does nothing if NULL is given).
If variable name was not set before, it is copied from the added SamplingDistribution.
Definition at line 149 of file SamplingDistribution.cxx.
Referenced by RooStats::HypoTestResult::Append().
calculate CDF as a special case of Integral(...) with lower limit equal to -inf
returns the closed integral [-inf,x]
Definition at line 309 of file SamplingDistribution.cxx.
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inline |
Get the sampling weights.
Definition at line 83 of file SamplingDistribution.h.
Referenced by RooStats::SamplingDistPlot::SetSampleWeights().
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inline |
Get test statistics values.
Definition at line 81 of file SamplingDistribution.h.
Referenced by RooStats::SamplingDistPlot::AddSamplingDistribution(), RooStats::SamplingDistPlot::AddSamplingDistributionShaded(), RooStats::HypoTestInverterResult::ExclusionCleanup(), RooStats::HypoTestInverterResult::GetExpectedLimit(), RooStats::HypoTestInverterResult::GetExpectedPValueDist(), RooStats::HypoTestCalculatorGeneric::GetHypoTest(), RooStats::NeymanConstruction::GetInterval(), RooStats::HypoTestInverterPlot::MakeExpectedPlot(), and StandardHypoTestDemo().
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inline |
size of samples
Definition at line 78 of file SamplingDistribution.h.
Referenced by RooStats::HypoTestInverterResult::Add(), RooStats::HypoTestInverter::Eval(), RooStats::HypoTestInverterResult::GetExpectedPValueDist(), RooStats::NeymanConstruction::GetInterval(), and RooStats::HypoTestResult::Print().
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inline |
Definition at line 85 of file SamplingDistribution.h.
Referenced by Add(), and RooStats::SamplingDistPlot::AddSamplingDistribution().
Double_t SamplingDistribution::Integral | ( | Double_t | low, |
Double_t | high, | ||
Bool_t | normalize = kTRUE , |
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Bool_t | lowClosed = kTRUE , |
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Bool_t | highClosed = kFALSE |
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) | const |
numerical integral in these limits
Returns the integral in the open/closed/mixed interval.
Default is [low,high) interval. Normalization can be turned off.
Definition at line 185 of file SamplingDistribution.cxx.
Referenced by CDF().
Double_t SamplingDistribution::IntegralAndError | ( | Double_t & | error, |
Double_t | low, | ||
Double_t | high, | ||
Bool_t | normalize = kTRUE , |
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Bool_t | lowClosed = kTRUE , |
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Bool_t | highClosed = kFALSE |
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) | const |
numerical integral in these limits including error estimation
Returns the integral in the open/closed/mixed interval.
Default is [low,high) interval. Normalization can be turned off. compute also the error on the integral
Definition at line 235 of file SamplingDistribution.cxx.
Referenced by Integral(), and RooStats::HypoTestResult::UpdatePValue().
get the inverse of the Cumulative distribution function
returns the inverse of the cumulative distribution function
Definition at line 318 of file SamplingDistribution.cxx.
Referenced by RooStats::NeymanConstruction::GetInterval().
Double_t RooStats::SamplingDistribution::InverseCDF | ( | Double_t | pvalue, |
Double_t | sigmaVariaton, | ||
Double_t & | inverseVariation | ||
) |
get the inverse of the Cumulative distribution function together with the inverse based on sampling variation
get the inverse of the Cumulative distribution function
returns the inverse of the cumulative distribution function
Definition at line 406 of file SamplingDistribution.cxx.
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protected |
Chached vector with sum of the weight used to compute integral error.
internal function to sort values
Definition at line 194 of file SamplingDistribution.cxx.
Referenced by IntegralAndError(), and InverseCDFInterpolate().
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mutableprivate |
vector of points for the sampling distribution
Definition at line 100 of file SamplingDistribution.h.
Referenced by Add(), GetSampleWeights(), SortValues(), and ~SamplingDistribution().
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mutableprivate |
Definition at line 99 of file SamplingDistribution.h.
Referenced by Add(), GetSamplingDistribution(), GetSize(), IntegralAndError(), InverseCDFInterpolate(), SortValues(), and ~SamplingDistribution().
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mutableprivate |
Definition at line 105 of file SamplingDistribution.h.
Referenced by IntegralAndError(), InverseCDFInterpolate(), and SortValues().
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mutableprivate |
Chached vector with sum of the weight used to compute integral.
Definition at line 106 of file SamplingDistribution.h.
Referenced by IntegralAndError(), InverseCDFInterpolate(), and SortValues().
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private |
vector of weights for the samples
Definition at line 103 of file SamplingDistribution.h.
Referenced by Add(), and GetVarName().