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Reference Guide
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TStatistic Class Reference

Statistical variable, defined by its mean and variance (RMS).

Named, streamable, storable and mergeable.

Definition at line 45 of file TStatistic.h.

Public Member Functions

 TStatistic (const char *name="")
 
 TStatistic (const char *name, Int_t n, const Double_t *val, const Double_t *w=0)
 Constructor from a vector of values. More...
 
 ~TStatistic ()
 
void Fill (Double_t val, Double_t w=1.)
 
Double_t GetM2 () const
 
Double_t GetMean () const
 
Double_t GetMeanErr () const
 
Long64_t GetN () const
 
const char * GetName () const
 Returns name of object. More...
 
Long64_t GetNeff () const
 
Double_t GetRMS () const
 
Double_t GetVar () const
 
Double_t GetW () const
 
Double_t GetW2 () const
 
ULong_t Hash () const
 Return hash value for this object. More...
 
void ls (Option_t *opt="") const
 The ls function lists the contents of a class on stdout. More...
 
Int_t Merge (TCollection *in)
 
void Print (Option_t *="") const
 This method must be overridden when a class wants to print itself. More...
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. 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...
 
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 Clear (Option_t *="")
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method. More...
 
virtual void Copy (TObject &object) const
 Copy this to obj. 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 TObjectDrawClone (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 Error (const char *method, const char *msgfmt,...) const
 Issue error message. 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 void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. 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...
 
void InvertBit (UInt_t f)
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
Bool_t IsOnHeap () const
 
virtual Bool_t IsSortable () const
 
Bool_t IsZombie () const
 
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...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. 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...
 
void ResetBit (UInt_t f)
 
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...
 
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)
 
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 SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
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 void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. 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...
 

Private Attributes

Double_t fM
 
Double_t fM2
 
Long64_t fN
 
TString fName
 
Double_t fW
 
Double_t fW2
 

Additional Inherited Members

- Public Types inherited from TObject
enum  { kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kBitMask = 0x00ffffff }
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 
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)
}
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 
- Protected Member Functions inherited from TObject
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 
void MakeZombie ()
 

#include <TStatistic.h>

Inheritance diagram for TStatistic:
[legend]

Constructor & Destructor Documentation

◆ TStatistic() [1/2]

TStatistic::TStatistic ( const char *  name = "")
inline

Definition at line 57 of file TStatistic.h.

◆ TStatistic() [2/2]

TStatistic::TStatistic ( const char *  name,
Int_t  n,
const Double_t val,
const Double_t w = 0 
)

Constructor from a vector of values.

Definition at line 34 of file TStatistic.cxx.

◆ ~TStatistic()

TStatistic::~TStatistic ( )
inline

Definition at line 59 of file TStatistic.h.

Member Function Documentation

◆ Fill()

void TStatistic::Fill ( Double_t  val,
Double_t  w = 1. 
)

Definition at line 48 of file TStatistic.cxx.

◆ GetM2()

Double_t TStatistic::GetM2 ( ) const
inline

Definition at line 67 of file TStatistic.h.

◆ GetMean()

Double_t TStatistic::GetMean ( ) const
inline

Definition at line 68 of file TStatistic.h.

◆ GetMeanErr()

Double_t TStatistic::GetMeanErr ( ) const
inline

Definition at line 69 of file TStatistic.h.

◆ GetN()

Long64_t TStatistic::GetN ( ) const
inline

Definition at line 65 of file TStatistic.h.

◆ GetName()

const char* TStatistic::GetName ( ) const
inlinevirtual

Returns name of object.

This default method returns the class name. Classes that give objects a name should override this method.

Reimplemented from TObject.

Definition at line 62 of file TStatistic.h.

◆ GetNeff()

Long64_t TStatistic::GetNeff ( ) const
inline

Definition at line 66 of file TStatistic.h.

◆ GetRMS()

Double_t TStatistic::GetRMS ( ) const
inline

Definition at line 70 of file TStatistic.h.

◆ GetVar()

Double_t TStatistic::GetVar ( ) const
inline

Definition at line 71 of file TStatistic.h.

◆ GetW()

Double_t TStatistic::GetW ( ) const
inline

Definition at line 72 of file TStatistic.h.

◆ GetW2()

Double_t TStatistic::GetW2 ( ) const
inline

Definition at line 73 of file TStatistic.h.

◆ Hash()

ULong_t TStatistic::Hash ( ) const
inlinevirtual

Return hash value for this object.

Reimplemented from TObject.

Definition at line 63 of file TStatistic.h.

◆ ls()

void TStatistic::ls ( Option_t option = "") const
inlinevirtual

The ls function lists the contents of a class on stdout.

Ls output is typically much less verbose then Dump().

Reimplemented from TObject.

Definition at line 83 of file TStatistic.h.

◆ Merge()

Int_t TStatistic::Merge ( TCollection in)

Definition at line 85 of file TStatistic.cxx.

◆ Print()

void TStatistic::Print ( Option_t option = "") const
virtual

This method must be overridden when a class wants to print itself.

Reimplemented from TObject.

Definition at line 76 of file TStatistic.cxx.

Member Data Documentation

◆ fM

Double_t TStatistic::fM
private

Definition at line 52 of file TStatistic.h.

◆ fM2

Double_t TStatistic::fM2
private

Definition at line 53 of file TStatistic.h.

◆ fN

Long64_t TStatistic::fN
private

Definition at line 49 of file TStatistic.h.

◆ fName

TString TStatistic::fName
private

Definition at line 48 of file TStatistic.h.

◆ fW

Double_t TStatistic::fW
private

Definition at line 50 of file TStatistic.h.

◆ fW2

Double_t TStatistic::fW2
private

Definition at line 51 of file TStatistic.h.


The documentation for this class was generated from the following files: