Beispiel #1
0
        public float CalculateDaviesBouldinIndex(List <List <string> > clusters)
        {
            //ClusterOutput clustOut;
            List <string> refStructues = new List <string>(clusters.Count);

            int []   dist;
            float [] avr     = new float[clusters.Count];
            float    measure = 0;

            for (int i = 0; i < clusters.Count; i++)
            {
                float sum = 0;
                if (clusters[i].Count == 0)
                {
                    continue;
                }
                //clustOut=jury.JuryOpt(clusters[i]);
                string refStr = dMeasure.GetReferenceStructure(clusters[i]);
                dist = dMeasure.GetDistance(refStr, clusters[i]);
                foreach (var item in dist)
                {
                    sum += item;
                }

                avr[i] = sum / dist.Length;

                refStructues.Add(refStr);
            }
            for (int i = 0; i < refStructues.Count; i++)
            {
                float max = 0;
                for (int j = 0; j < refStructues.Count; j++)
                {
                    int   cDist;
                    float v;
                    if (i == j)
                    {
                        continue;
                    }
                    cDist = dMeasure.GetDistance(refStructues[i], refStructues[j]);
                    v     = ((float)(avr[i] + avr[j])) / cDist;
                    if (v > max)
                    {
                        max = v;
                    }
                }
                measure += max;
            }

            return(measure / refStructues.Count);
        }
Beispiel #2
0
        /*private void CheckRefDistances()
         * {
         *  HClusterNode current;
         *  hierarchicalCluster dendrog = new hierarchicalCluster(dMeasure);
         *  float dist;
         *  Stack <HClusterNode> localSt=new Stack<HClusterNode>();
         *  st.Clear();
         *  st.Push(root);
         *  current = root;
         *  while (st.Count != 0)
         *  {
         *      current=st.Pop();
         *      st.Push(current.joined[0]);
         *      st.Push(current.joined[1]);
         *
         *      localSt.Push(current);
         *  }
         *  while(localSt.Count!=0)
         *  {
         *          float dist2;
         *
         *          current=localSt.Pop();
         *          dist = dMeasure.GetDistance(current.setStruct[0], current.joined[0].setStruct[0]);
         *          dist2 = dMeasure.GetDistance(current.setStruct[0], current.joined[1].setStruct[0]);
         *          //current.levelDist = (dist > dist2) ? dist : dist2;
         *          //current.levelDist = (dist + current.joined[0].levelDist + dist2 + current.joined[1].levelDist) / 2;
         *          current.levelDist = dMeasure.GetDistance(current.joined[0].setStruct[0], current.joined[1].setStruct[0]);
         *
         *  }
         * }*/
        private HClusterNode JoinNodes(List <HClusterNode> nodes)
        {
            HClusterNode node = new HClusterNode();

            node.joined    = new List <HClusterNode>();
            node.setStruct = new List <string>();
            foreach (var item in nodes)
            {
                node.joined.Add(item);
                foreach (var itemN in item.setStruct)
                {
                    node.setStruct.Add(itemN);
                }
            }
            List <string> refList = null;

            if (node.joined != null)
            {
                refList = new List <string>();
                foreach (var item in node.joined)
                {
                    refList.Add(item.refStructure);
                }
            }
            string refStr = dMeasure.GetReferenceStructure(node.setStruct, refList);

            node.refStructure = refStr;
            for (int i = 0; i < node.setStruct.Count; i++)
            {
                if (refStr == node.setStruct[i])
                {
                    refStr            = node.setStruct[0];
                    node.setStruct[0] = node.setStruct[i];
                    node.setStruct[i] = refStr;
                    break;
                }
            }

            return(node);
        }
        public ClusterOutput HierarchicalClustering(List <string> structures)
        {
            List <List <HClusterNode> > level      = new List <List <HClusterNode> >();
            List <HClusterNode>         levelNodes = new List <HClusterNode>();
            List <HClusterNode>         rowNodes   = new List <HClusterNode>();
            ClusterOutput outCl      = new ClusterOutput();
            int           levelCount = 0;
            bool          end        = false;
            HClusterNode  node;

            if (structures.Count <= 1)
            {
                outCl.hNode              = new HClusterNode();
                outCl.hNode.setStruct    = structures;
                outCl.hNode.refStructure = structures[0];
                outCl.hNode.levelDist    = 0;
                outCl.hNode.joined       = null;
                return(outCl);
            }

            progressRead = 1;
            dMeasure.CalcDistMatrix(structures);


            for (int i = 0; i < structures.Count; i++)
            {
                node = new HClusterNode();
                node.refStructure = structures[i];
                node.joined       = null;
                node.setStruct.Add(structures[i]);
                node.levelNum = levelCount;

                node.levelDist = dMeasure.maxSimilarity;
                node.realDist  = dMeasure.GetRealValue(node.levelDist);
                levelNodes.Add(node);
            }
            maxV = levelNodes.Count + 1;
            level.Add(levelNodes);

            while (!end)
            {
                levelNodes = new List <HClusterNode>();
                List <List <HClusterNode> > rowList = LevelMinimalDist(level[level.Count - 1]);
                if (rowList.Count > 0)
                {
                    foreach (var item in rowList)
                    {
                        node           = new HClusterNode();
                        node.joined    = item;
                        node.levelDist = min;
                        node.realDist  = dMeasure.GetRealValue(min);
                        node.levelNum  = level.Count;
                        for (int m = 0; m < item.Count; m++)
                        {
                            node.setStruct.AddRange(item[m].setStruct);
                            item[m].fNode = true;
                        }
                        node.refStructure = dMeasure.GetReferenceStructure(node.setStruct);

                        List <string> refList = new List <string>();
                        foreach (var itemJoined in node.joined)
                        {
                            refList.Add(itemJoined.refStructure);
                        }

                        node.refStructure = null;
                        if (mustRefStructure != null)
                        {
                            foreach (var itemRef in refList)
                            {
                                if (itemRef == mustRefStructure)
                                {
                                    node.refStructure = mustRefStructure;
                                }
                            }
                        }

                        if (node.refStructure == null)
                        {
                            node.refStructure = dMeasure.GetReferenceStructure(node.setStruct, refList);
                        }


                        levelNodes.Add(node);
                    }
                }
                if (levelNodes.Count > 0)
                {
                    level.Add(levelNodes);
                    for (int i = 0; i < level[level.Count - 2].Count; i++)
                    {
                        if (!level[level.Count - 2][i].fNode)
                        {
                            level[level.Count - 1].Add(level[level.Count - 2][i]);
                        }
                    }
                    currentV = maxV - levelNodes.Count;
                }
                if (level[level.Count - 1].Count == 1)
                {
                    end = true;
                }
            }


            outCl.hNode          = level[level.Count - 1][0];
            outCl.hNode.levelNum = 0;



            //At the end level num must be set properly
            Queue <HClusterNode> qq = new Queue <HClusterNode>();
            HClusterNode         h;

            for (int i = 0; i < level.Count; i++)
            {
                for (int j = 0; j < level[i].Count; j++)
                {
                    level[i][j].fNode = true;
                }
            }

            for (int i = 0; i < level.Count; i++)
            {
                for (int j = 0; j < level[i].Count; j++)
                {
                    if (level[i][j].fNode)
                    {
                        level[i][j].levelDist = Math.Abs(level[i][j].levelDist - dMeasure.maxSimilarity);
                        level[i][j].realDist  = dMeasure.GetRealValue(level[i][j].levelDist);
                        level[i][j].fNode     = false;
                    }
                }
            }



            qq.Enqueue(level[level.Count - 1][0]);
            while (qq.Count != 0)
            {
                h = qq.Dequeue();

                if (h.joined != null)
                {
                    foreach (var item in h.joined)
                    {
                        item.levelNum = h.levelNum + 1;
                        qq.Enqueue(item);
                    }
                }
            }

            outCl.hNode.dirName = dirName;
            outCl.clusters      = null;
            outCl.juryLike      = null;
            currentV            = maxV;
            outCl.runParameters = hierOpt.GetVitalParameters();
            return(outCl);
        }
Beispiel #4
0
 string CLusterRepresent(DistanceMeasure distance, List<string> targets)
 {           
     return distance.GetReferenceStructure(targets);
 }
Beispiel #5
0
        public void CalcStat()
        {
            
            List<string> fileNames = new List<string>();
            List<string> refStructures = new List<string>();
            DistanceMeasures measure = distanceControl1.distDef;
            DistanceMeasure distTemp = null;
            double distRes=0;
            maxV = selected.Count;
            distList.Clear();
            try
            {

                tableRes = new DataTable();

                tableRes.Columns.Add("Cluster Size", typeof(int));
                tableRes.Columns.Add("Reference structure", typeof(string));
                tableRes.Columns.Add("Distance", typeof(double));
                tableRes.Columns.Add("Hidden1", typeof(int));
                tableRes.Columns.Add("Hidden2", typeof(string));


                if (checkBoxSable.Checked)
                {
                    tableRes.Columns.Add("Dist to Sable", typeof(double));
                    maxV *= 2;
                }
                if (checkBox1.Checked)
                {
                    for (int i = 0; i < selected.Count; i++)
                        maxV += selected[i].Count;
                }
                fileNames.Add(textBox1.Text);

                jury1D jury = new jury1D();
                if (distanceControl1.reference)
                    jury.PrepareJury(dirName, alignFile, distanceControl1.referenceProfile);

                refStructures.Clear();
                selected.Sort(delegate(List<string> first, List<string> second)
                { return first.Count.CompareTo(second.Count); });

                selected.Reverse();
                //    dataGridView1.Rows.Add(selected.Count);

                for (int i = 0; i < selected.Count; i++)
                {
                    string refD = selected[i][0];
                    ClusterOutput juryO = null;
                    if (distanceControl1.reference)
                    {

                        if (selected[i].Count > 5)
                        {
                            juryO = jury.JuryOptWeights(selected[i]);
                            if (juryO == null)
                                continue;
                            refD = juryO.juryLike[0].Key;
                            if (!fileNames.Contains(dirName + Path.DirectorySeparatorChar + juryO.juryLike[0].Key))
                            {
                                fileNames.Add(dirName + Path.DirectorySeparatorChar + juryO.juryLike[0].Key);
                                refStructures.Add(dirName + Path.DirectorySeparatorChar + refD);
                            }
                        }
                        else
                            if (!fileNames.Contains(dirName + Path.DirectorySeparatorChar + selected[i][0]))
                            {
                                fileNames.Add(dirName + Path.DirectorySeparatorChar + selected[i][0]);
                                refStructures.Add(dirName + Path.DirectorySeparatorChar + selected[i][0]);
                            }

                    }
                    else
                    {

                        dist = PrepareDistanceMeasure(selected[i], measure, dirName);
                        distTemp = dist;
                        refD = dist.GetReferenceStructure(selected[i]);
                        fileNames.Add(dirName + Path.DirectorySeparatorChar + refD);
                        refStructures.Add(dirName + Path.DirectorySeparatorChar + refD);
                    }

                    if (fileNames.Count == 2)
                    {
                        switch (measure)
                        {
                            case DistanceMeasures.HAMMING:
                                dist = new JuryDistance(fileNames, alignFile, false, distanceControl1.profileName);
                                break;
                            case DistanceMeasures.MAXSUB:
                                dist = new MaxSub(fileNames, null, false);
                                break;
                            case DistanceMeasures.RMSD:
                                dist = new Rmsd(fileNames, null, false, distanceControl1.CAtoms);
                                break;

                        }
                        dist.InitMeasure();
                        distRes = Convert.ToDouble(String.Format("{0:0.00}", dist.GetDistance(native, refD) / 100.0));
                    }
                    fileNames.RemoveAt(fileNames.Count - 1);
                    if (checkBoxSable.Checked && refStructures.Count > 0)
                        tableRes.Rows.Add(selected[i].Count, refD, distRes, i, dirName, 0.0);
                    else
                        tableRes.Rows.Add(selected[i].Count, refD, distRes, i, dirName);
                    currentV++;
                }
                if (checkBoxSable.Checked && refStructures.Count > 0)
                {
                    Dictionary<string, double> res = null;// SableDist(refStructures);
                    for (int i = 0; i < refStructures.Count; i++)
                    {
                        if (res.ContainsKey(Path.GetFileName(refStructures[i])))
                        {
                            DataRow dr = tableDist.Rows[i];                            
                            dr[5] = Convert.ToDouble(String.Format("{0:0.00}", res[Path.GetFileName(refStructures[i])]));
                        }
                    }
                }
                if (checkBox1.Checked)
                {
                    CalculateDistToAll();
                }

            }
            catch(Exception ex)
            {
                exc = ex;
            }
        }
Beispiel #6
0
        public void CalcStat()
        {
            List <string>    fileNames     = new List <string>();
            List <string>    refStructures = new List <string>();
            DistanceMeasures measure       = distanceControl1.distDef;
            DistanceMeasure  distTemp      = null;
            double           distRes       = 0;

            maxV = selected.Count;
            distList.Clear();
            try
            {
                tableRes = new DataTable();

                tableRes.Columns.Add("Cluster Size", typeof(int));
                tableRes.Columns.Add("Reference structure", typeof(string));
                tableRes.Columns.Add("Distance", typeof(double));
                tableRes.Columns.Add("Hidden1", typeof(int));
                tableRes.Columns.Add("Hidden2", typeof(string));


                if (checkBoxSable.Checked)
                {
                    tableRes.Columns.Add("Dist to Sable", typeof(double));
                    maxV *= 2;
                }
                if (checkBox1.Checked)
                {
                    for (int i = 0; i < selected.Count; i++)
                    {
                        maxV += selected[i].Count;
                    }
                }
                fileNames.Add(textBox1.Text);

                jury1D jury = new jury1D();
                if (distanceControl1.reference)
                {
                    jury.PrepareJury(dirName, alignFile, distanceControl1.referenceProfile);
                }

                refStructures.Clear();
                selected.Sort(delegate(List <string> first, List <string> second)
                              { return(first.Count.CompareTo(second.Count)); });

                selected.Reverse();
                //    dataGridView1.Rows.Add(selected.Count);

                for (int i = 0; i < selected.Count; i++)
                {
                    string        refD  = selected[i][0];
                    ClusterOutput juryO = null;
                    if (distanceControl1.reference)
                    {
                        if (selected[i].Count > 5)
                        {
                            juryO = jury.JuryOptWeights(selected[i]);
                            if (juryO == null)
                            {
                                continue;
                            }
                            refD = juryO.juryLike[0].Key;
                            if (!fileNames.Contains(dirName + Path.DirectorySeparatorChar + juryO.juryLike[0].Key))
                            {
                                fileNames.Add(dirName + Path.DirectorySeparatorChar + juryO.juryLike[0].Key);
                                refStructures.Add(dirName + Path.DirectorySeparatorChar + refD);
                            }
                        }
                        else
                        if (!fileNames.Contains(dirName + Path.DirectorySeparatorChar + selected[i][0]))
                        {
                            fileNames.Add(dirName + Path.DirectorySeparatorChar + selected[i][0]);
                            refStructures.Add(dirName + Path.DirectorySeparatorChar + selected[i][0]);
                        }
                    }
                    else
                    {
                        dist     = PrepareDistanceMeasure(selected[i], measure, dirName);
                        distTemp = dist;
                        refD     = dist.GetReferenceStructure(selected[i]);
                        fileNames.Add(dirName + Path.DirectorySeparatorChar + refD);
                        refStructures.Add(dirName + Path.DirectorySeparatorChar + refD);
                    }

                    if (fileNames.Count == 2)
                    {
                        switch (measure)
                        {
                        case DistanceMeasures.HAMMING:
                            dist = new JuryDistance(fileNames, alignFile, false, distanceControl1.profileName);
                            break;

                        case DistanceMeasures.MAXSUB:
                            dist = new MaxSub(fileNames, null, false);
                            break;

                        case DistanceMeasures.RMSD:
                            dist = new Rmsd(fileNames, null, false, distanceControl1.CAtoms);
                            break;
                        }
                        dist.InitMeasure();
                        distRes = Convert.ToDouble(String.Format("{0:0.00}", dist.GetDistance(native, refD) / 100.0));
                    }
                    fileNames.RemoveAt(fileNames.Count - 1);
                    if (checkBoxSable.Checked && refStructures.Count > 0)
                    {
                        tableRes.Rows.Add(selected[i].Count, refD, distRes, i, dirName, 0.0);
                    }
                    else
                    {
                        tableRes.Rows.Add(selected[i].Count, refD, distRes, i, dirName);
                    }
                    currentV++;
                }
                if (checkBoxSable.Checked && refStructures.Count > 0)
                {
                    Dictionary <string, double> res = null;// SableDist(refStructures);
                    for (int i = 0; i < refStructures.Count; i++)
                    {
                        if (res.ContainsKey(Path.GetFileName(refStructures[i])))
                        {
                            DataRow dr = tableDist.Rows[i];
                            dr[5] = Convert.ToDouble(String.Format("{0:0.00}", res[Path.GetFileName(refStructures[i])]));
                        }
                    }
                }
                if (checkBox1.Checked)
                {
                    CalculateDistToAll();
                }
            }
            catch (Exception ex)
            {
                exc = ex;
            }
        }
Beispiel #7
0
       string CLusterRepresent(DistanceMeasures distance,string dirName, List<string> targets,string alignFile, string profileName)
        {
            DistanceMeasure dist;
            List<string> fileNames=new List<string>();

            foreach (var item in targets)
                fileNames.Add(dirName + Path.DirectorySeparatorChar + item);
            dist = PrepareDistance(distance, fileNames, alignFile, profileName);
            return dist.GetReferenceStructure(targets);
        }
Beispiel #8
0
 string CLusterRepresent(DistanceMeasure distance, List<string> targets)
 {           
     return distance.GetReferenceStructure(targets);
 }