Kernel Density Estimation class.
The three main references are:
- "Scott DW, Multivariate Density Estimation. Theory, Practice and Visualization. New York: Wiley",
- "Jann Ben - ETH Zurich, Switzerland -, Univariate kernel density estimation document for KDENS:
Stata module for univariate kernel density estimation."
- "Hardle W, Muller M, Sperlich S, Werwatz A, Nonparametric and Semiparametric Models. Springer."
- "Cranmer KS, Kernel Estimation in High-Energy
Physics. Computer Physics Communications 136:198-207,2001" - e-Print Archive: hep ex/0011057.
The algorithm is briefly described in (4). A binned version is also implemented to address the performance issue due to its data size dependance.
Definition at line 34 of file TKDE.h.
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| TKDE () |
| default constructor used only by I/O
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template<class KernelFunction > |
| TKDE (const Char_t *, const KernelFunction &kernfunc, UInt_t events, const Double_t *data, const Double_t *dataWeight, Double_t xMin=0.0, Double_t xMax=0.0, const Option_t *option="KernelType:UserDefined;Iteration:Adaptive;Mirror:noMirror;Binning:RelaxedBinning", Double_t rho=1.0) |
| Constructor for weighted data and a user defined kernel function.
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template<class KernelFunction > |
| TKDE (const Char_t *, const KernelFunction &kernfunc, UInt_t events, const Double_t *data, Double_t xMin=0.0, Double_t xMax=0.0, const Option_t *option="KernelType:UserDefined;Iteration:Adaptive;Mirror:noMirror;Binning:RelaxedBinning", Double_t rho=1.0) |
| Constructor for unwweighted data and a user defined kernel function.
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| TKDE (UInt_t events, const Double_t *data, const Double_t *dataWeight, Double_t xMin=0.0, Double_t xMax=0.0, const Option_t *option="KernelType:Gaussian;Iteration:Adaptive;Mirror:noMirror;Binning:RelaxedBinning", Double_t rho=1.0) |
| Constructor for weighted data.
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| TKDE (UInt_t events, const Double_t *data, Double_t xMin=0.0, Double_t xMax=0.0, const Option_t *option="KernelType:Gaussian;Iteration:Adaptive;Mirror:noMirror;Binning:RelaxedBinning", Double_t rho=1.0) |
| Constructor for unweighted data Varius option for TKDE can be passed in the option string as below.
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virtual | ~TKDE () |
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virtual void | Draw (const Option_t *option="") |
| Draws either the KDE functions or its errors.
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void | Fill (Double_t data) |
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void | Fill (Double_t data, Double_t weight) |
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const Double_t * | GetAdaptiveWeights () const |
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TF1 * | GetApproximateBias (UInt_t npx=100, Double_t xMin=1.0, Double_t xMax=0.0) |
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Double_t | GetBias (Double_t x) const |
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TF1 * | GetDrawnFunction () |
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TGraphErrors * | GetDrawnGraph () |
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TF1 * | GetDrawnLowerFunction () |
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TF1 * | GetDrawnUpperFunction () |
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Double_t | GetError (Double_t x) const |
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Double_t | GetFixedWeight () const |
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TF1 * | GetFunction (UInt_t npx=100, Double_t xMin=1.0, Double_t xMax=0.0) |
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TGraphErrors * | GetGraphWithErrors (UInt_t npx=100, Double_t xMin=1.0, Double_t xMax=0.0) |
| return a TGraphErrors with the KDE values and errors The return object is managed by the user
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TF1 * | GetLowerFunction (Double_t confidenceLevel=0.95, UInt_t npx=100, Double_t xMin=1.0, Double_t xMax=0.0) |
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Double_t | GetMean () const |
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Double_t | GetRAMISE () const |
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Double_t | GetSigma () const |
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TF1 * | GetUpperFunction (Double_t confidenceLevel=0.95, UInt_t npx=100, Double_t xMin=1.0, Double_t xMax=0.0) |
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Double_t | GetValue (Double_t x) const |
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Double_t | operator() (const Double_t *x, const Double_t *p=0) const |
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Double_t | operator() (Double_t x) const |
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void | SetBinning (EBinning) |
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void | SetIteration (EIteration iter) |
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void | SetKernelType (EKernelType kern) |
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void | SetMirror (EMirror mir) |
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void | SetNBins (UInt_t nbins) |
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void | SetRange (Double_t xMin, Double_t xMax) |
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void | SetTuneFactor (Double_t rho) |
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void | SetUseBinsNEvents (UInt_t nEvents) |
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| TNamed () |
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| TNamed (const char *name, const char *title) |
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| TNamed (const TNamed &named) |
| TNamed copy ctor.
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| TNamed (const TString &name, const TString &title) |
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virtual | ~TNamed () |
| TNamed destructor.
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virtual void | Clear (Option_t *option="") |
| Set name and title to empty strings ("").
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virtual TObject * | Clone (const char *newname="") const |
| Make a clone of an object using the Streamer facility.
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virtual Int_t | Compare (const TObject *obj) const |
| Compare two TNamed objects.
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virtual void | Copy (TObject &named) const |
| Copy this to obj.
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virtual void | FillBuffer (char *&buffer) |
| Encode TNamed into output buffer.
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virtual const char * | GetName () const |
| Returns name of object.
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virtual const char * | GetTitle () const |
| Returns title of object.
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virtual ULong_t | Hash () const |
| Return hash value for this object.
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virtual Bool_t | IsSortable () const |
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virtual void | ls (Option_t *option="") const |
| List TNamed name and title.
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TNamed & | operator= (const TNamed &rhs) |
| TNamed assignment operator.
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virtual void | Print (Option_t *option="") const |
| Print TNamed name and title.
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virtual void | SetName (const char *name) |
| Set the name of the TNamed.
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virtual void | SetNameTitle (const char *name, const char *title) |
| Set all the TNamed parameters (name and title).
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virtual void | SetTitle (const char *title="") |
| Set the title of the TNamed.
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virtual Int_t | Sizeof () const |
| Return size of the TNamed part of the TObject.
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| TObject () |
| TObject constructor.
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| TObject (const TObject &object) |
| TObject copy ctor.
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virtual | ~TObject () |
| TObject destructor.
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void | AbstractMethod (const char *method) const |
| Use this method to implement an "abstract" method that you don't want to leave purely abstract.
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virtual void | AppendPad (Option_t *option="") |
| Append graphics object to current pad.
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virtual void | Browse (TBrowser *b) |
| Browse object. May be overridden for another default action.
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ULong_t | CheckedHash () |
| Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.
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virtual const char * | ClassName () const |
| Returns name of class to which the object belongs.
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virtual void | Delete (Option_t *option="") |
| Delete this object.
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virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
| Computes distance from point (px,py) to the object.
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virtual void | Draw (Option_t *option="") |
| Default Draw method for all objects.
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virtual void | DrawClass () const |
| Draw class inheritance tree of the class to which this object belongs.
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virtual TObject * | DrawClone (Option_t *option="") const |
| Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad) .
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virtual void | Dump () const |
| Dump contents of object on stdout.
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virtual void | Error (const char *method, const char *msgfmt,...) const |
| Issue error message.
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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.
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virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=0) |
| Execute method on this object with parameters stored in the TObjArray.
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virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
| Execute action corresponding to an event at (px,py).
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virtual void | Fatal (const char *method, const char *msgfmt,...) const |
| Issue fatal error message.
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virtual TObject * | FindObject (const char *name) const |
| Must be redefined in derived classes.
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virtual TObject * | FindObject (const TObject *obj) const |
| Must be redefined in derived classes.
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virtual Option_t * | GetDrawOption () const |
| Get option used by the graphics system to draw this object.
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virtual const char * | GetIconName () const |
| Returns mime type name of object.
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virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
| Returns string containing info about the object at position (px,py).
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virtual Option_t * | GetOption () const |
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virtual UInt_t | GetUniqueID () const |
| Return the unique object id.
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virtual Bool_t | HandleTimer (TTimer *timer) |
| Execute action in response of a timer timing out.
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Bool_t | HasInconsistentHash () const |
| Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.
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virtual void | Info (const char *method, const char *msgfmt,...) const |
| Issue info message.
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virtual Bool_t | InheritsFrom (const char *classname) const |
| Returns kTRUE if object inherits from class "classname".
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virtual Bool_t | InheritsFrom (const TClass *cl) const |
| Returns kTRUE if object inherits from TClass cl.
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virtual void | Inspect () const |
| Dump contents of this object in a graphics canvas.
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void | InvertBit (UInt_t f) |
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virtual Bool_t | IsEqual (const TObject *obj) const |
| Default equal comparison (objects are equal if they have the same address in memory).
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virtual Bool_t | IsFolder () const |
| Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).
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R__ALWAYS_INLINE Bool_t | IsOnHeap () const |
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R__ALWAYS_INLINE Bool_t | IsZombie () const |
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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).
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virtual Bool_t | Notify () |
| This method must be overridden to handle object notification.
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void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
| Use this method to declare a method obsolete.
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void | operator delete (void *ptr) |
| Operator delete.
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void | operator delete[] (void *ptr) |
| Operator delete [].
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void * | operator new (size_t sz) |
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void * | operator new (size_t sz, void *vp) |
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void * | operator new[] (size_t sz) |
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void * | operator new[] (size_t sz, void *vp) |
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TObject & | operator= (const TObject &rhs) |
| TObject assignment operator.
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virtual void | Paint (Option_t *option="") |
| This method must be overridden if a class wants to paint itself.
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virtual void | Pop () |
| Pop on object drawn in a pad to the top of the display list.
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virtual Int_t | Read (const char *name) |
| Read contents of object with specified name from the current directory.
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virtual void | RecursiveRemove (TObject *obj) |
| Recursively remove this object from a list.
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void | ResetBit (UInt_t f) |
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virtual void | SaveAs (const char *filename="", Option_t *option="") const |
| Save this object in the file specified by filename.
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virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
| Save a primitive as a C++ statement(s) on output stream "out".
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void | SetBit (UInt_t f) |
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void | SetBit (UInt_t f, Bool_t set) |
| Set or unset the user status bits as specified in f.
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virtual void | SetDrawOption (Option_t *option="") |
| Set drawing option for object.
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virtual void | SetUniqueID (UInt_t uid) |
| Set the unique object id.
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virtual void | SysError (const char *method, const char *msgfmt,...) const |
| Issue system error message.
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R__ALWAYS_INLINE Bool_t | TestBit (UInt_t f) const |
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Int_t | TestBits (UInt_t f) const |
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virtual void | UseCurrentStyle () |
| Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.
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virtual void | Warning (const char *method, const char *msgfmt,...) const |
| Issue warning message.
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virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) |
| Write this object to the current directory.
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virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const |
| Write this object to the current directory.
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