public InfectionNode(InfectionNode originalNode)
{
NodeStatus = originalNode.NodeStatus;
NodeType = originalNode.NodeType;
DayOfInfection = originalNode.DayOfInfection;
DaysUntilSuceptible = originalNode.DaysUntilSuceptible;
}
public Graph RunIteration()
{
var infectionNodes = networkNodes[_currentNetworkKey];
var rand = new Random(DateTime.Now.Millisecond);
var previousStates = new Dictionary <string, InfectionNode>();
foreach (var key in infectionNodes.Keys)
{
previousStates[key] = new InfectionNode(infectionNodes[key]);
}
foreach (var nodeKey in infectionNodes.Keys)
{
if (infectionNodes[nodeKey].NodeStatus == NodeStatus.Removed)
{
MakeSuceptibleNode(nodeKey);
}
if (infectionNodes[nodeKey].NodeStatus == NodeStatus.Infected)
{
var dayOfInfection = infectionNodes[nodeKey].DayOfInfection;
var resultadoAzar = rand.NextDouble();
var recoveryLikelyhood = new ChiSquareDistribution(_parameters.ChiSquaredRecoveryDistributionDegreesOfFreedom).DistributionFunction(dayOfInfection + 1);
if (resultadoAzar <= recoveryLikelyhood)
{
RecoverNode(nodeKey);
}
else
{
WorsenNode(nodeKey);
}
}
}
foreach (var edge in InfectionVisualNetworks[_currentNetworkKey].Edges)
{
var sourceKey = edge.SourceNode.Id;
var destinationKey = edge.TargetNode.Id;
if ((previousStates[sourceKey].NodeStatus == NodeStatus.Infected && previousStates[destinationKey].NodeStatus == NodeStatus.Susceptible))
{
var resultadoAzar = rand.NextDouble();
//var infectionLikelyhood = _parameters.InfectionProbabilities[previousStates[destinationKey].DayOfInfection];
var infectionLikelyhood = new ChiSquareDistribution(_parameters.ChiSquaredDistributionDegreesOfFreedom).ProbabilityDensityFunction(previousStates[sourceKey].DayOfInfection + 1);
infectionLikelyhood = infectionLikelyhood * _parameters.InfectionChiSquaredFactor;
if (previousStates[destinationKey].NodeType == NodeType.Vaccinated)
{
infectionLikelyhood = infectionLikelyhood * _parameters.VaccineEfficiencyRatio;
}
if (resultadoAzar <= infectionLikelyhood)
{
InfectNode(destinationKey);
}
}
else if ((previousStates[destinationKey].NodeStatus == NodeStatus.Infected && previousStates[sourceKey].NodeStatus == NodeStatus.Susceptible))
{
var resultadoAzar = rand.NextDouble();
//var infectionLikelyhood = _parameters.InfectionProbabilities[previousStates[destinationKey].DayOfInfection];
var infectionLikelyhood = new ChiSquareDistribution(_parameters.ChiSquaredDistributionDegreesOfFreedom).ProbabilityDensityFunction(previousStates[destinationKey].DayOfInfection + 1);
infectionLikelyhood = infectionLikelyhood * _parameters.InfectionChiSquaredFactor;
if (previousStates[sourceKey].NodeType == NodeType.Vaccinated)
{
infectionLikelyhood = infectionLikelyhood * _parameters.VaccineEfficiencyRatio;
}
if (resultadoAzar <= infectionLikelyhood)
{
InfectNode(sourceKey);
}
}
}
networkHistories[_currentNetworkKey].InfectedPerIteration.Add(GetCurrentInfectedNodes());
networkHistories[_currentNetworkKey].AmountIterations++;
return(InfectionVisualNetworks[_currentNetworkKey]);
}