#include <timenet.h>

Inherits TNodeEdgeNet< TSecTm, TSecTm >.

Public Types
typedef TNodeEdgeNet< TSecTm, TSecTm >	TNet

typedef TPt< TNodeEdgeNet< TSecTm, TSecTm > >	PNet

Public Types inherited from TNodeEdgeNet< TSecTm, TSecTm >
typedef TSecTm	TNodeDat

typedef TSecTm	TEdgeDat

typedef TNodeEdgeNet< TSecTm, TSecTm >	TNet

typedef TPt< TNet >	PNet

Public Member Functions
	TTimeNENet ()

	TTimeNENet (const int &Nodes, const int &Edges)

	TTimeNENet (TSIn &SIn)

	TTimeNENet (const TTimeNENet &TimeNet)

void	Save (TSOut &SOut) const
	Saves the network to a (binary) stream SOut. More...

TTimeNENet &	operator= (const TTimeNENet &TimeNet)

PTimeNet	GetTimeNet () const

PTimeNENet	Get1stEdgeNet () const

PTimeNENet	GetSubGraph (const TIntV &NIdV) const

PTimeNENet	GetESubGraph (const TIntV &EIdV) const

PTimeNENet	GetGraphUpToTm (const TSecTm &MaxEdgeTm) const

void	SortNodeEdgeTimes ()

void	UpdateNodeTimes ()

void	SetNodeTmToFirstEdgeTm ()

void	SetRndEdgeTimes (const int &MinTmEdge=0)

void	DumpTimeStat () const

void	GetNIdByTm (TIntV &NIdV) const

void	GetEIdByTm (TIntV &EIdV) const

void	GetTmBuckets (const TTmUnit &GroupBy, TTimeNet::TTmBucketV &TmBucketV) const

void	GetEdgeTmBuckets (const TTmUnit &GroupBy, TTimeNet::TTmBucketV &TmBucketV) const

void	GetNodeBuckets (const int NodesPerBucket, TTimeNet::TTmBucketV &TmBucketV) const

void	GetEdgeBuckets (const int EdgesPerBucket, TTimeNet::TTmBucketV &TmBucketV) const

int	GetTriadEdges (TIntV &TriadEIdV) const

PGStatVec	TimeGrowth (const TTmUnit &TimeStep, const TFSet &TakeStat, const TSecTm &StartTm=TSecTm(1)) const

PGStatVec	TimeGrowth (const TStr &FNmPref, const TStr &Desc, const TFSet &TakeStat, const int &NDiamRuns, const TTmUnit &TmUnit, const int &TakeNTmUnits, const bool &LinkBWays) const

void	PlotEffDiam (const TStr &FNmPref, const TStr &Desc, const TTmUnit &GroupBy, const TSecTm &StartTm, const int &NDiamRuns=10, const bool &OnlyWcc=false) const

void	PlotMissingPast (const TStr &FNmPref, const TStr &Desc, const TTmUnit &TmUnit, const TSecTm &DelPreTmEdges, const TSecTm &PostTmDiam, const bool &LinkBWays)

void	SaveEdgeTm (const TStr &EdgeFNm, const bool &RenumberNId=false, const bool &RelativeTm=false) const

Public Member Functions inherited from TNodeEdgeNet< TSecTm, TSecTm >
	TNodeEdgeNet ()

	TNodeEdgeNet (const int &Nodes, const int &Edges)
	Constructor that reserves enough memory for a network of Nodes nodes and Edges edges. More...

	TNodeEdgeNet (const TNodeEdgeNet &Net)

	TNodeEdgeNet (TSIn &SIn)
	Constructor that loads the network from a (binary) stream SIn. More...

virtual	~TNodeEdgeNet ()

bool	HasFlag (const TGraphFlag &Flag) const
	Allows for run-time checking the type of the network (see the TGraphFlag for flags). More...

TNodeEdgeNet &	operator= (const TNodeEdgeNet &Net)

int	GetNodes () const
	Returns the number of nodes in the network. More...

int	AddNode (int NId=-1)
	Adds a node of ID NId to the network. More...

int	AddNode (int NId, const TSecTm &NodeDat)
	Adds node data to node with ID NId. More...

int	AddNode (const TNodeI &NodeI)

int	AddNodeUnchecked (int NId=-1)
	Adds a node of ID NId to the network, noop if the node already exists. More...

void	DelNode (const int &NId)
	Deletes node of ID NId from the network. More...

void	DelNode (const TNode &NodeI)
	Deletes node of ID NodeI.GetId() from the network. More...

bool	IsNode (const int &NId) const
	Tests whether ID NId is a node. More...

TNodeI	BegNI () const
	Returns an iterator referring to the first node in the network. More...

TNodeI	EndNI () const
	Returns an iterator referring to the past-the-end node in the network. More...

TNodeI	GetNI (const int &NId) const
	Returns an iterator referring to the node of ID NId in the network. More...

void	SetNDat (const int &NId, const TSecTm &NodeDat)
	Sets node data for the node of ID NId in the network. More...

TSecTm &	GetNDat (const int &NId)
	Returns node data for the node of ID NId in the network. More...

const TSecTm &	GetNDat (const int &NId) const
	Returns node data for the node of ID NId in the network. More...

int	GetMxNId () const
	Returns an ID that is larger than any node ID in the network. More...

int	GetEdges () const
	Returns the number of edges in the network. More...

int	GetUniqEdges (const bool &IsDir=true) const
	Returns the number of edges in the network with a unique pair of nodes. More...

int	AddEdge (const int &SrcNId, const int &DstNId, int EId=-1)
	Adds an edge between node IDs SrcNId and DstNId to the graph. More...

int	AddEdge (const int &SrcNId, const int &DstNId, int EId, const TSecTm &EdgeDat)
	Adds an edge and edge data from node IDs SrcNId to node DstNId. More...

int	AddEdge (const TEdgeI &EdgeI)
	Adds an edge from EdgeI.GetSrcNId() to EdgeI.GetDstNId() and its edge data to the network. More...

void	DelEdge (const int &EId)
	Deletes an edge with ID EId from the network. More...

void	DelEdge (const int &SrcNId, const int &DstNId, const bool &IsDir=true)
	Deletes an edge from node IDs SrcNId to DstNId from the network. More...

bool	IsEdge (const int &EId) const
	Tests whether an edge with ID EId exists in the network. More...

bool	IsEdge (const int &SrcNId, const int &DstNId, const bool &IsDir=true) const
	Tests whether an edge from node IDs SrcNId to DstNId exists in the network. More...

bool	IsEdge (const int &SrcNId, const int &DstNId, int &EId, const bool &IsDir=true) const
	Tests whether an edge from node IDs SrcNId to DstNId with edge ID EId exists in the network. More...

int	GetEId (const int &SrcNId, const int &DstNId) const

TEdgeI	BegEI () const
	Returns an iterator referring to the first edge in the network. More...

TEdgeI	EndEI () const
	Returns an iterator referring to the past-the-end edge in the network. More...

TEdgeI	GetEI (const int &EId) const
	Not supported/implemented! More...

TEdgeI	GetEI (const int &SrcNId, const int &DstNId) const
	Returns an iterator referring to edge (SrcNId, DstNId) in the graph. More...

void	SetEDat (const int &EId, const TSecTm &EdgeDat)
	Sets edge data for the edge of ID NId in the network. More...

TSecTm &	GetEDat (const int &EId)
	Returns edge data for the edge with ID EId. More...

const TSecTm &	GetEDat (const int &EId) const
	Returns edge data for the edge with ID EId. More...

void	SetAllEDat (const TSecTm &EdgeDat)
	Sets edge data for all the edges in the network to EDat. More...

int	GetRndNId (TRnd &Rnd=TInt::Rnd)
	Returns an ID of a random node in the network. More...

TNodeI	GetRndNI (TRnd &Rnd=TInt::Rnd)
	Returns an interator referring to a random node in the network. More...

int	GetRndEId (TRnd &Rnd=TInt::Rnd)
	Returns an ID of a random edge in the network. More...

TEdgeI	GetRndEI (TRnd &Rnd=TInt::Rnd)
	Returns an interator referring to a random edge in the network. More...

void	GetNIdV (TIntV &NIdV) const
	Returns a vector of all node IDs in the network. More...

void	GetEIdV (TIntV &EIdV) const
	Returns a vector of all edge IDs in the network. More...

bool	Empty () const
	Tests whether the network is empty (has zero nodes). More...

void	Clr ()
	Deletes all nodes and edges from the network. More...

void	Reserve (const int &Nodes, const int &Edges)
	Reserves memory for a network of Nodes nodes and Edges edges. More...

void	SortNIdById (const bool &Asc=true)
	Sorts nodes by node IDs. More...

void	SortNIdByDat (const bool &Asc=true)
	Sorts nodes by node data. More...

void	SortEIdById (const bool &Asc=true)
	Sorts edges by edge IDs. More...

void	SortEIdByDat (const bool &Asc=true)
	Sorts edges by edge data. More...

void	Defrag (const bool &OnlyNodeLinks=false)
	Defragments the network. More...

bool	IsOk (const bool &ThrowExcept=true) const
	Checks the network data structure for internal consistency. More...

Static Public Member Functions
static PTimeNENet	New ()

static PTimeNENet	New (const int &Nodes, const int &Edges)

static PTimeNENet	Load (TSIn &SIn)

static PTimeNENet	GetSmallNet ()

static PTimeNENet	GetGnmRndNet (const int &Nodes, const int &Edges)

static PTimeNENet	GetPrefAttach (const int &Nodes, const int &Edges, const double &GammaIn, const double &GammaOut)

static PTimeNENet	GetPrefAttach (const int &Nodes, const int &OutDeg)

static PTimeNENet	LoadFlickr (const TStr &NodeFNm, const TStr &EdgeFNm)

static PTimeNENet	LoadEdgeTm (const TStr &EdgeFNm, const int &SrcFld=0, const int &DstFld=1, const int &TimeFld=2, const TSsFmt &Separator=ssfTabSep)

Static Public Member Functions inherited from TNodeEdgeNet< TSecTm, TSecTm >
static PNet	New ()
	Static constructor that returns a pointer to the network. More...

static PNet	Load (TSIn &SIn)
	Static constructor that loads the network from a stream SIn and returns a pointer to it. More...

static PNet	LoadShM (TShMIn &ShMIn)
	Static constructor that loads the network from memory. More...

Friends
class	TPt< TTimeNENet >

Additional Inherited Members
Protected Attributes inherited from TNodeEdgeNet< TSecTm, TSecTm >
TCRef	CRef

TInt	MxNId

TInt	MxEId

THash< TInt, TNode >	NodeH

THash< TInt, TEdge >	EdgeH

Detailed Description

Definition at line 76 of file timenet.h.

Member Typedef Documentation

typedef TPt<TNodeEdgeNet<TSecTm, TSecTm> > TTimeNENet::PNet

Definition at line 79 of file timenet.h.

typedef TNodeEdgeNet<TSecTm, TSecTm> TTimeNENet::TNet

Definition at line 78 of file timenet.h.

Constructor & Destructor Documentation

TTimeNENet::TTimeNENet ( )

inline

Definition at line 81 of file timenet.h.

81 { }

TTimeNENet::TTimeNENet	(	const int &	Nodes,
		const int &	Edges
	)

inline

Definition at line 82 of file timenet.h.

82 : TNet(Nodes, Edges) { }

TTimeNENet::TNet

TNodeEdgeNet< TSecTm, TSecTm > TNet

Definition: timenet.h:78

TTimeNENet::TTimeNENet ( TSIn & SIn )

inline

Definition at line 83 of file timenet.h.

83 : TNet(SIn) { }

TTimeNENet::TNet

TNodeEdgeNet< TSecTm, TSecTm > TNet

Definition: timenet.h:78

TTimeNENet::TTimeNENet ( const TTimeNENet & TimeNet )

inline

Definition at line 84 of file timenet.h.

84 : TNet(TimeNet) { }

TTimeNENet::TNet

TNodeEdgeNet< TSecTm, TSecTm > TNet

Definition: timenet.h:78

Member Function Documentation

void TTimeNENet::DumpTimeStat ( ) const

Definition at line 761 of file timenet.cpp.

                                     {
   TSecTm MnNodeTm, MxNodeTm;
   TSecTm MnEdgeTm, MxEdgeTm;
   for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
     const TSecTm NodeTm = NI();
     if (! MnNodeTm.IsDef() || MnNodeTm>NodeTm) { MnNodeTm = NodeTm; }
     if (! MxNodeTm.IsDef() || MxNodeTm<NodeTm) { MxNodeTm = NodeTm; }
   }
   printf("Node times:\n  %s\n  %s\n", MnNodeTm.GetStr().CStr(), MxNodeTm.GetStr().CStr());
   for (TEdgeI EI= BegEI(); EI < EndEI(); EI++) {
     const TSecTm EdgeTm = EI();
     if (! MnEdgeTm.IsDef() || MnEdgeTm>EdgeTm) { MnEdgeTm = EdgeTm; }
     if (! MxEdgeTm.IsDef() || MxEdgeTm<EdgeTm) { MxEdgeTm = EdgeTm; }
   }
   printf("Edge times:\n  %s\n  %s\n", MnEdgeTm.GetStr().CStr(), MxEdgeTm.GetStr().CStr());
 }

PTimeNENet TTimeNENet::Get1stEdgeNet ( ) const

Definition at line 629 of file timenet.cpp.

                                            {
   PTimeNENet Net = TTimeNENet::New();
   Net->Reserve(GetNodes(), -1);
   for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
     Net->AddNode(NI.GetId(), NI.GetDat()); }
   TIntV EIdV;  GetEIdByTm(EIdV);
   TIntPrSet EdgeSet(GetEdges());
   for (int edge = 0; edge < EIdV.Len(); edge++) {
     const TEdgeI EI = GetEI(EIdV[edge]);
     const int Src = EI.GetSrcNId();
     const int Dst = EI.GetDstNId();
     if (Src==Dst || EdgeSet.IsKey(TIntPr(TMath::Mn(Src, Dst), TMath::Mx(Src, Dst)))) { continue; } // take only 1st edge
     EdgeSet.AddKey(TIntPr(TMath::Mn(Src, Dst), TMath::Mx(Src, Dst)));
     Net->AddEdge(EI);
   }
   return Net;
 }

void TTimeNENet::GetEdgeBuckets	(	const int	EdgesPerBucket,
		TTimeNet::TTmBucketV &	TmBucketV
	)		const

Definition at line 846 of file timenet.cpp.

                                                                                              {
   TIntV EIdV;  GetEIdByTm(EIdV);
   TmBucketV.Gen(EIdV.Len()/EdgesPerBucket + 1, 0);
   for (int i = 0; i < EIdV.Len(); i++) {
     const int b = i/EdgesPerBucket;
     if (TmBucketV.Len() <= b) { TmBucketV.Add(TTimeNet::TTmBucket(TSecTm(b))); }
     TmBucketV[b].NIdV.Add(EIdV[i]);
   }
 }

void TTimeNENet::GetEdgeTmBuckets	(	const TTmUnit &	GroupBy,
		TTimeNet::TTmBucketV &	TmBucketV
	)		const

Definition at line 817 of file timenet.cpp.

                                                                                             {
   THash<TInt, TIntV> TmIdToEIdVH;
   TIntV EIdV;  GetEIdByTm(EIdV);
   for (int e = 0; e < EIdV.Len(); e++) {
     const int TmId = GetEDat(EIdV[e]).Round(TmUnit).GetAbsSecs();
     if (! TmIdToEIdVH.IsKey(TmId)) { TmIdToEIdVH.AddKey(TmId); }
     TmIdToEIdVH.GetDat(TmId).Add(EIdV[e]);
   }
   TVec<TPair<TInt, TIntV> > TmIdEIdVV;
   TmIdToEIdVH.GetKeyDatPrV(TmIdEIdVV);
   TmIdEIdVV.Sort();
   TmBucketV.Gen(TmIdEIdVV.Len());
   for (int i = 0; i < TmIdEIdVV.Len(); i++) {
     TTimeNet::TTmBucket& Bucket = TmBucketV[i];
     Bucket.BegTm = TmIdEIdVV[i].Val1;
     Bucket.NIdV = TmIdEIdVV[i].Val2;
   }
 }

void TTimeNENet::GetEIdByTm ( TIntV & EIdV ) const

Definition at line 788 of file timenet.cpp.

                                              {
   TVec<TKeyDat<TSecTm, TInt> > TmToEIdV(GetEdges(), 0);
   for (TEdgeI EI= BegEI(); EI < EndEI(); EI++) {
     TmToEIdV.Add(TKeyDat<TSecTm, TInt>(EI.GetDat(), EI.GetId())); }
   TmToEIdV.Sort();
   EIdV.Gen(GetEdges(), 0);
   for (int i = 0; i < TmToEIdV.Len(); i++) {
     EIdV.Add(TmToEIdV[i].Dat); }
 }

PTimeNENet TTimeNENet::GetESubGraph ( const TIntV & EIdV ) const

Definition at line 668 of file timenet.cpp.

                                                            {
   PTimeNENet NewNetPt = TTimeNENet::New();
   TTimeNENet& NewNet = *NewNetPt;
   NewNet.Reserve(-1, EIdV.Len());
   for (int edge = 0; edge < EIdV.Len(); edge++) {
     const TEdgeI Edge = GetEI(EIdV[edge]);
     if (! NewNet.IsNode(Edge.GetSrcNId()))
       NewNet.AddNode(GetNI(Edge.GetSrcNId()));
     if (! NewNet.IsNode(Edge.GetDstNId()))
       NewNet.AddNode(GetNI(Edge.GetDstNId()));
     NewNet.AddEdge(Edge);
   }
   NewNet.Defrag();
   return NewNetPt;
 }

PTimeNENet TTimeNENet::GetGnmRndNet	(	const int &	Nodes,
		const int &	Edges
	)

static

Definition at line 1226 of file timenet.cpp.

                                                                       {
   printf("Generating G_nm(%d, %d)\n", Nodes, Edges);
   int Src, Dst;
   PTimeNENet Net = TTimeNENet::New();
   Net->Reserve(Nodes, Edges);
   for (int e = 0; e < Edges; e++) {
     Src = TInt::Rnd.GetUniDevInt(Nodes);
     Dst = TInt::Rnd.GetUniDevInt(Nodes);
     while (Dst == Src || Net->IsEdge(Src, Dst)) {
       Dst = TInt::Rnd.GetUniDevInt(Nodes); }
     if (! Net->IsNode(Src)) { Net->AddNode(Src, TSecTm(e)); }
     if (! Net->IsNode(Dst)) { Net->AddNode(Dst, TSecTm(e)); }
     Net->AddEdge(Src, Dst, -1, TSecTm(e));
   }
   return Net;
 }

PTimeNENet TTimeNENet::GetGraphUpToTm ( const TSecTm & MaxEdgeTm ) const

Definition at line 685 of file timenet.cpp.

                                                                    {
   PTimeNENet NewNetPt = TTimeNENet::New();
   TTimeNENet& NewNet = *NewNetPt;
   TSecTm PrevTm;
   for (TEdgeI EI = BegEI(); EI < EndEI(); EI++) {
     if (EI() > MaxEdgeTm) { break; }
     if (! NewNet.IsNode(EI.GetSrcNId()))
       NewNet.AddNode(GetNI(EI.GetSrcNId()));
     if (! NewNet.IsNode(EI.GetDstNId()))
       NewNet.AddNode(GetNI(EI.GetDstNId()));
     NewNet.AddEdge(EI);
     IAssert(! PrevTm.IsDef() || PrevTm <= EI()); // edge times must be sorted
     PrevTm = EI();
   }
   NewNet.Defrag();
   return NewNetPt;
 }

void TTimeNENet::GetNIdByTm ( TIntV & NIdV ) const

Definition at line 778 of file timenet.cpp.

                                              {
   TVec<TKeyDat<TSecTm, TInt> > TmToNIdV(GetNodes(), 0);
   for (TNodeI NodeI = BegNI(); NodeI < EndNI(); NodeI++) {
     TmToNIdV.Add(TKeyDat<TSecTm, TInt>(NodeI.GetDat(), NodeI.GetId())); }
   TmToNIdV.Sort();
   NIdV.Gen(GetNodes(), 0);
   for (int i = 0; i < TmToNIdV.Len(); i++) {
     NIdV.Add(TmToNIdV[i].Dat); }
 }

void TTimeNENet::GetNodeBuckets	(	const int	NodesPerBucket,
		TTimeNet::TTmBucketV &	TmBucketV
	)		const

Definition at line 836 of file timenet.cpp.

                                                                                              {
   TIntV NIdV;  GetNIdByTm(NIdV);
   TmBucketV.Gen(NIdV.Len() / NodesPerBucket + 1, 0);
   for (int i = 0; i < NIdV.Len(); i++) {
     const int b = i/NodesPerBucket;
     if (TmBucketV.Len() <= b) { TmBucketV.Add(TTimeNet::TTmBucket(TSecTm(b))); }
     TmBucketV[b].NIdV.Add(NIdV[i]);
   }
 }

PTimeNENet TTimeNENet::GetPrefAttach	(	const int &	Nodes,
		const int &	Edges,
		const double &	GammaIn,
		const double &	GammaOut
	)

static

Definition at line 1244 of file timenet.cpp.

                                                                                                                       {
   const double Alpha = Nodes/double(Edges);
   printf("Generating PA(%d, %d), with slope in:%.1f, out: %.1f\n", Nodes, Edges,
     2+GammaIn/(Alpha/(1-Alpha)), 2+GammaOut/(Alpha/(1-Alpha)));
   // init
   int nodes=0, edges=0, time=0, iter=0;
   TIntV OutW(Edges, 0), InW(Edges, 0);
   PTimeNENet Net = TTimeNENet::New();
   Net->Reserve(Nodes, Edges);
   // 1st node
   Net->AddNode(0, TSecTm(time++));  nodes++;
   OutW.Add(0);  InW.Add(0);
   while (edges < Edges) {
     int Src=-1, Dst=-1;  iter++;
     if (TInt::Rnd.GetUniDev() < Alpha) {
       if (nodes < Nodes) {
         IAssert(Net->AddNode(nodes, TSecTm(time++)));
         nodes++; }
     } else {
       if (TInt::Rnd.GetUniDev() < nodes*GammaIn/double(edges+nodes*GammaIn)) {
         Src = TInt::Rnd.GetUniDevInt(nodes); }
       else { Src = OutW[TInt::Rnd.GetUniDevInt(OutW.Len())]; }
       if (TInt::Rnd.GetUniDev() < nodes*GammaOut/double(edges+nodes*GammaOut)) {
         Dst = TInt::Rnd.GetUniDevInt(nodes); }
       else { Dst = InW[TInt::Rnd.GetUniDevInt(InW.Len())]; }
     }
     if (Src == Dst || Net->IsEdge(Src, Dst)) {
       continue;
     }
     //printf("%d/%d %d %d\n", edges, iter, Src, Dst);
     if (! Net->IsNode(Src)) { Net->AddNode(Src, TSecTm(time++)); nodes++; }
     if (! Net->IsNode(Dst)) { Net->AddNode(Dst, TSecTm(time++)); nodes++; }
     Net->AddEdge(Src, Dst, -1, TSecTm(time++));
     OutW.Add(Src); InW.Add(Dst); edges++;
   }
   for (int node = 0; node < Nodes; node++) {
     if (! Net->IsNode(node)) {
       Net->AddNode(node, TSecTm(time++)); }
   }
   return Net;
 }

PTimeNENet TTimeNENet::GetPrefAttach	(	const int &	Nodes,
		const int &	OutDeg
	)

static

Definition at line 1286 of file timenet.cpp.

                                                                         {
   printf("Generating PA, nodes:%d, out-deg:%d\n", Nodes, OutDeg);
   // init
   int time=0;
   PTimeNENet Net = TTimeNENet::New();
   Net->Reserve(Nodes, OutDeg*Nodes);
   Net->AddNode(0, TSecTm(++time));  Net->AddNode(1, TSecTm(++time));
   Net->AddEdge(0, 1, -1, TSecTm(++time));
   TIntV NIdV;  NIdV.Add(0);  NIdV.Add(1);
   TIntSet NodeSet;
   for (int node = 2; node <= Nodes; node++) {
     NodeSet.Clr(false);
     while (NodeSet.Len() < OutDeg && NodeSet.Len() < node) {
       NodeSet.AddKey(NIdV[TInt::Rnd.GetUniDevInt(NIdV.Len())]);
     }
     const int N = Net->AddNode(node, TSecTm(++time));
     for (int i = 0; i < NodeSet.Len(); i++) {
       Net->AddEdge(node, NodeSet[i], -1, TSecTm(++time));
       NIdV.Add(N);  NIdV.Add(NodeSet[i]);
     }
   }
   return Net;
 }

PTimeNENet TTimeNENet::GetSmallNet ( )

static

Definition at line 1331 of file timenet.cpp.

                                    {
   PTimeNENet Net = TTimeNENet::New();
   for (int i = 1; i <= 6; i++) {
     Net->AddNode(i, TSecTm(0)); }
   int tm = 1;
   Net->AddEdge(1, 2, -1, TSecTm(tm++));
   Net->AddEdge(3, 4, -1, TSecTm(tm++));
   Net->AddEdge(3, 1, -1, TSecTm(tm++));
   Net->AddEdge(5, 6, -1, TSecTm(tm++));
   Net->AddEdge(6, 4, -1, TSecTm(tm++));
   Net->AddEdge(5, 3, -1, TSecTm(tm++));
   Net->AddEdge(5, 4, -1, TSecTm(tm++));
   Net->AddEdge(5, 2, -1, TSecTm(tm++));
   return Net;
 }

PTimeNENet TTimeNENet::GetSubGraph ( const TIntV & NIdV ) const

Definition at line 647 of file timenet.cpp.

                                                           {
   PTimeNENet NewNetPt = TTimeNENet::New();
   TTimeNENet& NewNet = *NewNetPt;
   NewNet.Reserve(NIdV.Len(), -1);
   int node, edge;
   TNodeI NI;
   for (node = 0; node < NIdV.Len(); node++) {
     NewNet.AddNode(NIdV[node], GetNDat(NIdV[node]));
   }
   for (node = 0; node < NIdV.Len(); node++) {
     NI = GetNI(NIdV[node]);
     for (edge = 0; edge < NI.GetOutDeg(); edge++) {
       const TEdgeI EI = GetEI(NI.GetOutEId(edge));
       if (NewNet.IsNode(EI.GetDstNId())) {
         NewNet.AddEdge(EI); }
     }
   }
   NewNet.Defrag();
   return NewNetPt;
 }

PTimeNet TTimeNENet::GetTimeNet ( ) const

Definition at line 612 of file timenet.cpp.

                                       {
   PTimeNet NewNet = TTimeNet::New();
   NewNet->Reserve(GetNodes(), -1);
   for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
     NewNet->AddNode(NI.GetId(), NI.GetDat());
   }
   for (TEdgeI EI = BegEI(); EI < EndEI(); EI++) {
     const int src = EI.GetSrcNId();
     const int dst = EI.GetDstNId();
     if (! NewNet->IsEdge(src, dst)) {
       NewNet->AddEdge(src, dst); }
   }
   NewNet->Defrag();
   return NewNet;
 }

void TTimeNENet::GetTmBuckets	(	const TTmUnit &	GroupBy,
		TTimeNet::TTmBucketV &	TmBucketV
	)		const

Definition at line 798 of file timenet.cpp.

                                                                                         {
   THash<TInt, TIntV> TmIdToNIdVH;
   TIntV NIdV;  GetNIdByTm(NIdV);
   for (int n = 0; n < NIdV.Len(); n++) {
     const int TmId = GetNDat(NIdV[n]).Round(TmUnit).GetAbsSecs();
     if (! TmIdToNIdVH.IsKey(TmId)) { TmIdToNIdVH.AddKey(TmId); }
     TmIdToNIdVH.GetDat(TmId).Add(NIdV[n]);
   }
   TVec<TPair<TInt, TIntV> > TmIdNIdVV;
   TmIdToNIdVH.GetKeyDatPrV(TmIdNIdVV);
   TmIdNIdVV.Sort();
   TmBucketV.Gen(TmIdNIdVV.Len());
   for (int i = 0; i < TmIdNIdVV.Len(); i++) {
     TTimeNet::TTmBucket& Bucket = TmBucketV[i];
     Bucket.BegTm = TmIdNIdVV[i].Val1;
     Bucket.NIdV = TmIdNIdVV[i].Val2;
   }
 }

int TTimeNENet::GetTriadEdges ( TIntV & TriadEIdV ) const

Definition at line 857 of file timenet.cpp.

                                                     {
   PUNGraph Graph = TUNGraph::New(GetNodes(), GetEdges());
   TIntV EIdV;  GetEIdByTm(EIdV);
   TriadEIdV.Clr();
   TExeTm ExeTm;
   for (int edge = 0; edge < EIdV.Len(); edge++) {
     const TEdgeI EI = GetEI(EIdV[edge]);
     const int Src = EI.GetSrcNId();
     const int Dst = EI.GetDstNId();
     if (Src==Dst || Graph->IsEdge(Src, Dst)) { continue; } // take only 1st edge
     if (! Graph->IsNode(Src)) { Graph->AddNode(Src); }
     if (! Graph->IsNode(Dst)) { Graph->AddNode(Dst); }
     if (TSnap::GetCmnNbrs(Graph, Src, Dst) > 0) { TriadEIdV.Add(EIdV[edge]); }
     Graph->AddEdge(Src, Dst);
     if (edge % 10000 == 0) {
       printf("\redges %dk / %dk: triangle edges: %dk [total %s]", edge/1000, EIdV.Len()/1000,
         TriadEIdV.Len()/1000, ExeTm.GetStr()); }
   }
   return Graph->GetEdges();
 }

static PTimeNENet TTimeNENet::Load ( TSIn & SIn )

inlinestatic

Definition at line 88 of file timenet.h.

88 { return new TTimeNENet(SIn); }

TTimeNENet::TTimeNENet

TTimeNENet()

Definition: timenet.h:81

PTimeNENet TTimeNENet::LoadEdgeTm	(	const TStr &	EdgeFNm,
		const int &	SrcFld = `0`,
		const int &	DstFld = `1`,
		const int &	TimeFld = `2`,
		const TSsFmt &	Separator = `ssfTabSep`
	)

static

Definition at line 1390 of file timenet.cpp.

                                                                                                                                         {
   printf("Loading %s\n", EdgeFNm.CStr());
   PTimeNENet Net = TTimeNENet::New();
   TStrHash<TInt> StrToId(Mega(1), true); // node id to string
   int LineCnt=0;
   TExeTm ExeTm;
   TSsParser Ss(EdgeFNm, Separator);
   TSecTm MinTm=TSecTm::GetCurTm(), MaxTm=TSecTm(100);
   while (Ss.Next()) {
     if (Ss.IsCmt()) { continue; }
     IAssert(Ss.Len() > TimeFld);
     const char* Node1 = Ss.GetFld(SrcFld);
     const char* Node2 = Ss.GetFld(DstFld);
     const char* TmStr = Ss.GetFld(TimeFld);
     if (strcmp(TmStr,"NULL")==0) { continue; }
     //const TSecTm Tm = TSecTm::GetDtTmFromYmdHmsStr(TmStr);
     const TSecTm Tm(atoi(TmStr));
     const int NId1 = StrToId.AddKey(Node1);
     const int NId2 = StrToId.AddKey(Node2);
     if (! Net->IsNode(NId1)) { Net->AddNode(NId1, TSecTm()); }
     if (! Net->IsNode(NId2)) { Net->AddNode(NId2, TSecTm()); }
     MinTm=TMath::Mn(MinTm, Tm);
     MaxTm=TMath::Mx(MaxTm, Tm);
     Net->AddEdge(NId1, NId2, -1, Tm);
     if (++LineCnt % 1000 == 0) {
       printf("\r  %dk lines processed: %d %d [%s]", LineCnt/1000, Net->GetNodes(), Net->GetEdges(), ExeTm.GetStr()); }
   }
   printf("\r  %d lines processed: %d %d [%s]\n", LineCnt, Net->GetNodes(), Net->GetEdges(), ExeTm.GetStr());
   printf("  Data range %s -- %s\n", MinTm.GetStr().CStr(), MaxTm.GetStr().CStr());
   //TSnap::PrintInfo(Net, "", "", false);
   Net->UpdateNodeTimes();
   return Net;
 }

PTimeNENet TTimeNENet::LoadFlickr	(	const TStr &	NodeFNm,
		const TStr &	EdgeFNm
	)

static

Definition at line 1347 of file timenet.cpp.

                                                                           {
   const int BegOfTm = 1047369600; // Tue Mar 11 01:00:00 2003 (begining of Flickr)
   PTimeNENet Net = TTimeNENet::New();
   printf("Adding nodes...");
   { TSsParser Ss(NodeFNm, ssfWhiteSep);
   while (Ss.Next()) {
     const int NId = Ss.GetInt(0);
     const int Tm = Ss.GetInt(1)+BegOfTm;
     if (TSecTm(Tm) < TSecTm(2002, 1, 1)) {
       printf("  skip node %g (time %d)\n", (double) Ss.GetLineNo(), Ss.GetInt(1)); continue; }
     Net->AddNode(NId, TSecTm(Tm));
   } }
   printf(" %d nodes\n", Net->GetNodes());
   printf("Adding edges...");
   int SkipCnt=0;
   //TIntH SkipDiffCnt;
   { TSsParser Ss(EdgeFNm, ssfWhiteSep);
   while (Ss.Next()) {
     const int NId1 = Ss.GetInt(0);
     const int NId2 = Ss.GetInt(1);
     const TSecTm Tm = TSecTm(Ss.GetInt(2)+BegOfTm);
     if (! Net->IsNode(NId1) || ! Net->IsNode(NId2)) { printf("not node\n"); continue; }
     if (Tm < TSecTm(2002, 1, 1)) { SkipCnt++;
       printf("  skip edge %g (time %s)\n", (double) Ss.GetLineNo(), Tm.GetStr().CStr()); continue; }
     if (Tm+600 < Net->GetNDat(NId1)) {
       printf("  1:skip edge %g (time %s < %s)\n", (double) Ss.GetLineNo(), Tm.GetStr().CStr(), Net->GetNDat(NId1).GetStr().CStr());
       //SkipDiffCnt.AddDat(-Tm.GetAbsSecs()+Net->GetNDat(NId1).GetAbsSecs()) += 1;
       SkipCnt++;  continue; }
     if (Tm+600 < Net->GetNDat(NId2)) { SkipCnt++;
       printf("  2:skip edge %g (time %s < %s)\n", (double) Ss.GetLineNo(), Tm.GetStr().CStr(), Net->GetNDat(NId2).GetStr().CStr());
       //SkipDiffCnt.AddDat(-Tm.GetAbsSecs()+Net->GetNDat(NId2).GetAbsSecs()) += 1;
       SkipCnt++;  continue; }
     Net->AddEdge(NId1, NId2, -1, TSecTm(Tm));
   } }
   //TGnuPlot::PlotValCntH(SkipDiffCnt, "flickr-edgeNodeDiff", "", "seconds", "count");
   printf("  %d edges\n", Net->GetEdges());
   printf("  %d edges skipped (edge time < node time)\n", SkipCnt);
   Net->UpdateNodeTimes();
   return Net;
 }

static PTimeNENet TTimeNENet::New ( )

inlinestatic

Definition at line 86 of file timenet.h.

86 { return new TTimeNENet(); }

TTimeNENet::TTimeNENet

TTimeNENet()

Definition: timenet.h:81

static PTimeNENet TTimeNENet::New	(	const int &	Nodes,
		const int &	Edges
	)

inlinestatic

Definition at line 87 of file timenet.h.

87 { return new TTimeNENet(Nodes, Edges); }

TTimeNENet::TTimeNENet

TTimeNENet()

Definition: timenet.h:81

TTimeNENet & TTimeNENet::operator= ( const TTimeNENet & TimeNet )

Definition at line 605 of file timenet.cpp.

                                                              {
   if (this != &TimeNet) {
     TNet::operator=(TimeNet);
   }
   return *this;
 }

void TTimeNENet::PlotEffDiam	(	const TStr &	FNmPref,
		const TStr &	Desc,
		const TTmUnit &	GroupBy,
		const TSecTm &	StartTm,
		const int &	NDiamRuns = `10`,
		const bool &	OnlyWcc = `false`
	)		const

Definition at line 934 of file timenet.cpp.

                                                                                                      {
   TTimeNet::TTmBucketV TmBucketV;
   GetEdgeTmBuckets(TmUnit, TmBucketV);
   PNEGraph FullGraph = TSnap::ConvertGraph<PNEGraph>(PTimeNENet((TTimeNENet*)this));
   TIntV EdgeIdV;
   TExeTm ExeTm, Run1Tm;
   TFltTrV TmDiamV, NdsDiamV;
   for (int t = 0; t < TmBucketV.Len(); t++) {
     EdgeIdV.AddV(TmBucketV[t].NIdV); // edges up to time T
     printf("\n*** %s (%d edges)\n", TmBucketV[t].BegTm.GetStr(TmUnit).CStr(), EdgeIdV.Len());  ExeTm.Tick();
     if (TmBucketV[t].BegTm < StartTm) continue;
     PNGraph PreGraph = TSnap::ConvertESubGraph<PNGraph>(FullGraph, EdgeIdV);
     TMom Mom;
     double EffDiam = 0.0;
     for (int r = 0; r < NDiamRuns; r++) {
       printf("%d...", r+1);  Run1Tm.Tick();
       if (OnlyWcc) { EffDiam = TSnap::GetAnfEffDiam(TSnap::GetMxWcc(PreGraph)); }
       else { EffDiam = TSnap::GetAnfEffDiam(PreGraph); }
       Mom.Add(EffDiam);
       printf("[%s]\r", Run1Tm.GetTmStr());
     }
     Mom.Def();
     TmDiamV.Add(TFltTr(TmBucketV[t].BegTm.Round(TmUnit).GetAbsSecs(), Mom.GetMean(), Mom.GetSDev()));
     NdsDiamV.Add(TFltTr(PreGraph->GetNodes(), Mom.GetMean(), Mom.GetSDev()));
     NdsDiamV.Sort();
     printf("  [%s]          \n", ExeTm.GetTmStr());
     const TStr WccStr = OnlyWcc ? "WCC " : TStr::GetNullStr();
     { TGnuPlot GnuPlot("diamEff1."+FNmPref, TStr::Fmt("%s. G(%d, %d). %d RUNS.", Desc.CStr(), GetNodes(), GetEdges(), NDiamRuns));
     GnuPlot.SetXYLabel(TStr::Fmt("TIME [%s]", TTmInfo::GetTmUnitStr(TmUnit).CStr()), "AVERAGE "+WccStr+"Effective Diameter");
     GnuPlot.AddErrBar(TmDiamV, "", "");
     GnuPlot.SavePng(); }
     { TGnuPlot GnuPlot("diamEff2."+FNmPref, TStr::Fmt("%s. G(%d, %d). %d RUNS.", Desc.CStr(), GetNodes(), GetEdges(), NDiamRuns));
     GnuPlot.SetXYLabel("NODES", "AVERAGE "+WccStr+"Effective Diameter");
     GnuPlot.AddErrBar(NdsDiamV, "", "");
     GnuPlot.SavePng(); }
   }
 }

void TTimeNENet::PlotMissingPast	(	const TStr &	FNmPref,
		const TStr &	Desc,
		const TTmUnit &	TmUnit,
		const TSecTm &	DelPreTmEdges,
		const TSecTm &	PostTmDiam,
		const bool &	LinkBWays
	)

Definition at line 977 of file timenet.cpp.

                                                                                                                {
   printf("\nGrowth over time: degree distribution, Growth Power Law, Diameter.\n  %s group by %s.\n",
     FNmPref.CStr(), TTmInfo::GetTmUnitStr(TmUnit).CStr());
   printf("  Delete out-edges of pre time %s nodes.\n  Take subgraph of post year %s subgraph.\n\n",
     DelPreTmEdges.GetStr().CStr(), PostTmDiam.GetStr().CStr());
   // run diameter
   /*const int NSamples = 100;
   const int NDiamRuns = 10;
   // delete past
   if (DelPreEdges != -1) {
     TIntV EdgeIdV;
     printf("Deleting pre-year %d edges\n", DelPreEdges);
     for (TEdgeI EI = BegEI(); EI < EndEI(); EI++) {
       if (EI().GetYear() < DelPreEdges) { EdgeIdV.Add(EI.GetId()); } }
     for (int e = 0; e < EdgeIdV.Len(); e++) { DelEdge(EdgeIdV[e]); }
     printf("  Deleted %d edges (out of %d edges total).\n", EdgeIdV.Len(), GetEdges());
   }
   PNEGraph FullGraph = GetNEGraph();
   TSnap::DelZeroDegNodes(FullGraph);
 
   PGrowthStat GrowthStat = TGrowthStat::New(TmUnit, TGraphStat::AllStat());
   TFltV PreDiamSDev, PreEffDiamSDev, WccDiamSDev, WccEffDiamSDev;
   TIntV EdgeIdV;
   TExeTm ExeTm;
   TTimeNet::TTmBucketV EdgeTmBucketV;
   GetEdgeTmBuckets(TmUnit, EdgeTmBucketV);
   for (int t = 0; t < EdgeTmBucketV.Len(); t++) {
     printf("\nGraph: %s (%d / %d) [%s]\n", EdgeTmBucketV[t].BegTm.GetTmStr().CStr(),
       t+1, EdgeTmBucketV.Len(), TExeTm::GetCurTm());
     // up-to-year subgraph
     EdgeIdV.AddV(EdgeTmBucketV[t].NIdV); // nodes up to time T
     if (EdgeTmBucketV[t].BegTm.GetYear() < PostYearDiam) continue;
 
     const PNEGraph PreNEGraph = EdgeBothWays ? FullGraph->GetEdgeSubGraph(EdgeIdV) : FullGraph;
     PNGraph PreGraph = PreNEGraph->GetBWayGraph();
     PNGraph WccGraph = TSnap::GetMxWcc(PreGraph);
 
     // find nodes that are not in missing past
     TIntV PostYearNIdV, WccPostYearNIdV;
     THash<TIntPr, TInt> PostYearEdgeH;
     for (TNEGraph::TEdgeI EI = PreNEGraph->BegEI(); EI < PreNEGraph->EndEI(); EI++) {
       if (GetEDat(EI.GetId()).GetYear() >= PostYearDiam) {
         PostYearEdgeH.AddKey(TIntPr(EI.GetSrcNId(), EI.GetDstNId())); }
     }
     TIntH PostYearNIdH;
     for (int i = 0; i < PostYearEdgeH.Len(); i++) {
       if ((! EdgeBothWays) || (EdgeBothWays && PostYearEdgeH.IsKey(TIntPr(PostYearEdgeH.GetKey(i).Val2, PostYearEdgeH.GetKey(i).Val1)))) { //reverse edge exists
         PostYearNIdH.AddKey(PostYearEdgeH.GetKey(i).Val1);
         PostYearNIdH.AddKey(PostYearEdgeH.GetKey(i).Val2);
       }
     }
     PostYearNIdH.GetKeyV(PostYearNIdV);
     for (int i = 0; i < PostYearNIdV.Len(); i++) {
       if (WccGraph->IsNode(PostYearNIdV[i])) {
         WccPostYearNIdV.Add(PostYearNIdV[i]); }
     }
 
     // diameter of PostYearDiam subgraph using whole graph (all edges)
     TMom PreDiamMom, PreEffDiamMom, WccDiamMom, WccEffDiamMom;
     for (int r = 0; r < NDiamRuns; r++) {
       if (! PostYearNIdV.Empty()) {
         PreDiamMom.Add(-1); //PreDiamMom.Add(TSnap::GetBfsFullDiam(PreGraph, NSamples, PostYearNIdV, false));
         PreEffDiamMom.Add(TSnap::GetBfsEffDiam(PreGraph, NSamples, PostYearNIdV, false));
       }
       if (! WccPostYearNIdV.Empty()) {
         //WccDiamMom.Add(TSnap::GetBfsFullDiam(WccGraph, NSamples, WccPostYearNIdV, false));
         //WccEffDiamMom.Add(TSnap::GetBfsEffDiam(WccGraph, NSamples, WccPostYearNIdV, false));
         WccDiamMom.Add(-1);  WccEffDiamMom.Add(-1);
       }
       printf("  diam: %d  [%s]  %.2f\r", r+1, ExeTm.GetTmStr(), PreEffDiamMom.GetValV().Last().Val);  ExeTm.Tick();
     }
     PreDiamMom.Def();  PreEffDiamMom.Def();
     WccDiamMom.Def();  WccEffDiamMom.Def();
     // save stat
     PGraphStat GraphStatPt = GrowthStat->Add(EdgeTmBucketV[t].BegTm);
     TGraphStat& GraphStat = *GraphStatPt;
     GraphStat.Nodes = PreGraph->GetNodes();
     GraphStat.NonZNodes = PreGraph->GetNodes() - TSnap::CntDegNodes<PNGraph>(PreGraph, 0);
     GraphStat.Srcs =  GraphStat.Nodes - TSnap::CntOutDegNodes<PNGraph>(PreGraph, 0);
     GraphStat.Edges = PreGraph->GetEdges();
     GraphStat.WccNodes= WccGraph->GetNodes();
     GraphStat.WccEdges = WccGraph->GetEdges();
     GraphStat.FullDiam = PreDiamMom.GetMean(); // mean
     GraphStat.EffDiam = PreEffDiamMom.GetMean();
     GraphStat.FullWccDiam = WccDiamMom.GetMean();
     GraphStat.EffWccDiam = WccEffDiamMom.GetMean();
     GraphStat.FullDiamDev = PreDiamMom.GetSDev(); // variance
     GraphStat.EffDiamDev = PreEffDiamMom.GetSDev();
     GraphStat.FullWccDiamDev = WccDiamMom.GetSDev();
     GraphStat.EffWccDiamDev = WccEffDiamMom.GetSDev();
     { TFOut FOut("growth."+FNmPref+".bin");
     GrowthStat->Save(FOut); }
     const TStr BigDesc = TStr::Fmt("%s. MISSING PAST DIAMETER\nDelPreEdges\t%d\nPostYearDiam\t%d\n",
       Desc.CStr(), DelPreEdges, PostYearDiam);
     GrowthStat->SaveTxt(FNmPref, BigDesc);
   }
   // diameter plots
   GrowthStat->PlotDiam(FNmPref, Desc + TStr::Fmt(" MISSING PAST. DelPre:%d PostYear:%d.",
     DelPreEdges, PostYearDiam));
     */
 }

void TTimeNENet::Save ( TSOut & SOut ) const

inlinevirtual

Saves the network to a (binary) stream SOut.

Reimplemented from TNodeEdgeNet< TSecTm, TSecTm >.

Definition at line 85 of file timenet.h.

85 { TNet::Save(SOut); }

TNodeEdgeNet< TSecTm, TSecTm >::Save

virtual void Save(TSOut &SOut) const

Saves the network to a (binary) stream SOut.

Definition: network.h:1284

void TTimeNENet::SaveEdgeTm	(	const TStr &	EdgeFNm,
		const bool &	RenumberNId = `false`,
		const bool &	RelativeTm = `false`
	)		const

Definition at line 1310 of file timenet.cpp.

                                                                                                       {
   TIntV EIdV;  GetEIdByTm(EIdV);
   const int BegTm = RelativeTm ? GetEDat(EIdV[0]).GetAbsSecs() : 0;
   TIntSet NIdMap;
   if (RenumberNId) { NIdMap.Gen(GetNodes()); }
   FILE *F = fopen(EdgeFNm.CStr(), "wt");
   //fprintf(F, "#Nodes\t%d\n#Edges\t%d\n", GetNodes(), GetEdges());
   //fprintf(F, "#<src>\t<dst>\t<time>\n");
   for (int e =0; e < EIdV.Len(); e++) {
     const TEdgeI EI = GetEI(EIdV[e]);
     if (RenumberNId) {
       const int src = EI.GetSrcNId();
       const int dst = EI.GetDstNId();
       NIdMap.AddKey(src);  NIdMap.AddKey(dst);
       fprintf(F, "%d\t%d\t%d\n", NIdMap.GetKeyId(src), NIdMap.GetKeyId(dst), EI().GetAbsSecs()-BegTm);
     }else {
       fprintf(F, "%d\t%d\t%d\n", EI.GetSrcNId(), EI.GetDstNId(), EI().GetAbsSecs()-BegTm); }
   }
   fclose(F);
 }

void TTimeNENet::SetNodeTmToFirstEdgeTm ( )

Definition at line 725 of file timenet.cpp.

                                         {
   int Cnt = 0;
   for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
     if (NI.GetDeg() == 0) { continue; }
     TSecTm NodeTm;
     for (int edge = 0; edge < NI.GetOutDeg(); edge++) {
       const TSecTm& EdgeTm = GetEDat(NI.GetOutEId(edge));  IAssert(EdgeTm.IsDef());
       if (! NodeTm.IsDef() || EdgeTm < NodeTm) { NodeTm = EdgeTm; Cnt++; }
     }
     for (int edge = 0; edge < NI.GetInDeg(); edge++) {
       const TSecTm& EdgeTm = GetEDat(NI.GetInEId(edge));  IAssert(EdgeTm.IsDef());
       if (! NodeTm.IsDef() || EdgeTm < NodeTm) { NodeTm = EdgeTm; Cnt++; }
     }
     GetNDat(NI.GetId()) = NodeTm;
   }
   printf("Node times set: %d/%d updates\n", Cnt, GetNodes());
 }

void TTimeNENet::SetRndEdgeTimes ( const int & MinTmEdge = 0 )

Definition at line 744 of file timenet.cpp.

                                                      {
   printf("Shuffling last %d (%d%%) edge arrival times..\n", GetEdges()-MinTmEdge, int(100.0*(GetEdges()-MinTmEdge)/double(GetEdges())));
   TIntV RndEIdV;  GetEIdByTm(RndEIdV);
   TIntV TrueEIdV = RndEIdV;
   TSecTmV TrueTmV;
   const int SwapLen = RndEIdV.Len()-MinTmEdge;
   for (int R = 0; R < 10; R++) {
     for (int i = MinTmEdge; i < RndEIdV.Len(); i++) {
       RndEIdV.Swap(TInt::Rnd.GetUniDevInt(SwapLen)+MinTmEdge, TInt::Rnd.GetUniDevInt(SwapLen)+MinTmEdge); }
   }
   for (int e = 0; e < TrueEIdV.Len(); e++) {
     TrueTmV.Add(GetEDat(TrueEIdV[e])); }
   for (int e = 0; e < RndEIdV.Len(); e++) {
     GetEDat(RndEIdV[e]) = TrueTmV[e]; }
   UpdateNodeTimes();
 }

void TTimeNENet::SortNodeEdgeTimes ( )

Definition at line 703 of file timenet.cpp.

                                    {
   NodeH.SortByDat(true);
   EdgeH.SortByDat(true);
 }

PGStatVec TTimeNENet::TimeGrowth	(	const TTmUnit &	TimeStep,
		const TFSet &	TakeStat,
		const TSecTm &	StartTm = `TSecTm(1)`
	)		const

Definition at line 878 of file timenet.cpp.

                                                                                                             {
   TExeTm ExeTm;
   PGStatVec GStatVec = TGStatVec::New(TimeStep, TakeStat);
   TTimeNet::TTmBucketV TmBucketV;
   GetEdgeTmBuckets(TimeStep, TmBucketV);
   const PNEGraph FullGraph = TSnap::ConvertGraph<PNEGraph>(PTimeNENet((TTimeNENet*)this));
   TIntV EdgeIdV;
   for (int t = 0; t < TmBucketV.Len(); t++) {
     EdgeIdV.AddV(TmBucketV[t].NIdV); // edges up to time T
     printf("\n***%d/%d: %s (%d edges) ", t+1, TmBucketV.Len(), TmBucketV[t].BegTm.GetStr().CStr(), EdgeIdV.Len());  ExeTm.Tick();
     if (TmBucketV[t].BegTm < StartTm) { continue; }
     const PNEGraph PreGraph = TSnap::GetESubGraph(FullGraph, EdgeIdV);
     GStatVec->Add(PreGraph, TmBucketV[t].BegTm);
     printf("  [%s]\n", ExeTm.GetTmStr());
     //{ TFOut FOut("LinkedIn.GStatVec");  GStatVec->Save(FOut); }
   }
   return GStatVec;
 }

PGStatVec TTimeNENet::TimeGrowth	(	const TStr &	FNmPref,
		const TStr &	Desc,
		const TFSet &	TakeStat,
		const int &	NDiamRuns,
		const TTmUnit &	TmUnit,
		const int &	TakeNTmUnits,
		const bool &	LinkBWays
	)		const

Definition at line 898 of file timenet.cpp.

                                                                                                          {
   TGStat::NDiamRuns = NDiamRuns;
   PGStatVec GrowthStat = TGStatVec::New(TmUnit, TakeStat);
   TTimeNet::TTmBucketV TmBucketV;
   GetEdgeTmBuckets(TmUnit, TmBucketV);
   TIntV EdgeIdV;
   TExeTm ExeTm;
   for (int t = 0; t < TmBucketV.Len(); t++) {
     // take graph over last TakeNTmUnits time units
     if (TakeNTmUnits == -1) {
       EdgeIdV.AddV(TmBucketV[t].NIdV); }
     else {
       if (t < TakeNTmUnits) { continue; }
       EdgeIdV.Clr(false);
       for (int i = t-TakeNTmUnits; i < t; i++) { EdgeIdV.AddV(TmBucketV[i].NIdV); }
     }
     printf("*** %s (%d edges)\n", TmBucketV[t].BegTm.GetStr().CStr(), EdgeIdV.Len());  ExeTm.Tick();
     PNEGraph PreGraph = TSnap::ConvertESubGraph<PNEGraph>(PTimeNENet((TTimeNENet*)this), EdgeIdV);
     if (LinkBWays) {
       TIntV KeepEIdV; // keep only nodes that have in- and out-links (send and receive email)
       for (TNEGraph::TEdgeI EI = PreGraph->BegEI(); EI < PreGraph->EndEI(); EI++) {
         if (PreGraph->IsEdge(EI.GetDstNId(), EI.GetSrcNId(), true)) { KeepEIdV.Add(EI.GetId()); }
       }
       PreGraph = TSnap::GetESubGraph(PreGraph, KeepEIdV);
     }
     // take statistics
     GrowthStat->Add(PreGraph, TmBucketV[t].BegTm);
     { TFOut FOut(TStr::Fmt("growth.%s.gStatVec", FNmPref.CStr()));
     GrowthStat->Save(FOut); }
     GrowthStat->SaveTxt(FNmPref, Desc);
     printf("  [%s]\n", ExeTm.GetTmStr());
   }
   return GrowthStat;
 }

void TTimeNENet::UpdateNodeTimes ( )

Definition at line 709 of file timenet.cpp.

                                  {
   int Cnt = 0;
   for (TNodeI NI = BegNI(); NI < EndNI(); NI++) {
     TSecTm& NodeTm = NI();
     for (int edge = 0; edge < NI.GetOutDeg(); edge++) {
       const TSecTm& EdgeTm = GetEDat(NI.GetOutEId(edge));
       if (! NodeTm.IsDef() || EdgeTm < NodeTm) { NodeTm = EdgeTm; Cnt++; }
     }
     for (int edge = 0; edge < NI.GetInDeg(); edge++) {
       const TSecTm& EdgeTm = GetEDat(NI.GetInEId(edge));
       if (! NodeTm.IsDef() || EdgeTm < NodeTm) { NodeTm = EdgeTm; Cnt++; }
     }
   }
   printf("Update node times: %d/%d updates\n", Cnt, GetNodes());
 }

Friends And Related Function Documentation

friend class TPt< TTimeNENet >

friend

Definition at line 127 of file timenet.h.

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

snap-core/timenet.h
snap-core/timenet.cpp

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