1 | using System; |
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2 | using System.Collections.Generic; |
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3 | using System.Linq; |
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4 | using System.Text; |
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5 | |
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6 | namespace BCMToolbox.Statistics |
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7 | { |
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8 | [Serializable] |
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9 | public class BasicStats |
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10 | { |
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11 | public readonly double AverageWeight = 0.0; |
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12 | public readonly double AveragePotential = 0.0; |
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13 | |
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14 | public readonly double MinWeight = double.MaxValue; |
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15 | public readonly double MaxWeight = double.MinValue; |
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16 | public readonly double Weight2Norm = 0.0; |
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17 | |
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18 | public readonly double StddevWeight = 0.0; |
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19 | public readonly double StddevPotential = 0.0; |
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20 | |
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21 | |
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22 | public BasicStats(INetwork net) |
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23 | { |
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24 | int validWeights = 0; |
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25 | for (int i = 0; i < net.Count; i++) |
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26 | { |
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27 | AveragePotential += net[i]; |
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28 | for (int j = 0; j < net.Count; j++) |
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29 | if (!double.IsNaN(net[i, j])) |
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30 | { |
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31 | AverageWeight += net[i, j]; |
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32 | Weight2Norm += net[i, j] * net[i, j]; |
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33 | if (net[i, j] < MinWeight) |
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34 | MinWeight = net[i, j]; |
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35 | if (net[i, j] > MaxWeight) |
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36 | MaxWeight = net[i, j]; |
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37 | validWeights++; |
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38 | } |
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39 | } |
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40 | |
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41 | AveragePotential /= net.Count; |
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42 | AverageWeight /= validWeights; |
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43 | |
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44 | for (int i = 0; i < net.Count; i++) |
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45 | { |
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46 | double p = net[i] - AveragePotential; |
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47 | p *= p; |
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48 | StddevPotential += p; |
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49 | |
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50 | for (int j = 0; j < net.Count; j++) |
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51 | if(!double.IsNaN(net[i,j])) |
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52 | { |
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53 | p = net[i, j] - AverageWeight; |
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54 | p *= p; |
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55 | StddevWeight += p; |
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56 | } |
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57 | } |
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58 | |
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59 | Weight2Norm = Math.Sqrt(Weight2Norm); |
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60 | |
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61 | StddevPotential = Math.Sqrt(StddevPotential); |
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62 | StddevPotential /= net.Count; |
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63 | |
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64 | StddevWeight = Math.Sqrt(StddevWeight); |
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65 | StddevWeight /= validWeights; |
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66 | } |
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67 | |
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68 | public override string ToString() |
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69 | { |
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70 | return String.Format("ave wt: {0} | stddev wt: {2} | wt range: {4} | wt norm2: {5} | ave out: {1} | stddev out: {3}", |
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71 | AverageWeight.ToString("#0.0000"), |
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72 | AveragePotential.ToString("#0.0000"), |
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73 | StddevWeight.ToString("#0.0000"), |
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74 | StddevPotential.ToString("#0.0000"), |
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75 | (MaxWeight - MinWeight).ToString("#0.0000"), |
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76 | Weight2Norm.ToString("#0.0000")); |
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77 | } |
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78 | } |
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79 | } |
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