Ejemplo n.º 1
0
        private List<SimulationObject> GenerateHousholds(SpatialZone currZone, int numHousehold,
                        Household initAgent, bool warmUpStatus,
                        List<ConditionalDistribution> mobelCond,
                        OutputFileWriter currWriter)
        {
            int seltdDim = 0;
            List<ConditionalDistribution> condList = currZone.GetDataHhldCollectionsList();
            for(int i = 0; i < mobelCond.Count; i++)
            {
                condList.Add(mobelCond[i]);
            }
            var generatedAgents = new List<SimulationObject>();
            Household prevAgent = initAgent;

            ImportanceSampler currImpSampler = new ImportanceSampler();
            MetropolisHasting currMHSampler = new MetropolisHasting();
            int iter = 0;
            if(warmUpStatus == true)
            {
                iter = Constants.WARMUP_ITERATIONS;
            }
            else
            {
                iter = Constants.SKIP_ITERATIONS * numHousehold;
            }
            Household newAgent = new Household();
            StringBuilder builder = new StringBuilder();
            for(int i = 0; i < iter; i++)
            {
                seltdDim = randGen.NextInRange(0, condList.Count - 1);

                ConditionalDistribution currDist = condList[seltdDim];

                // If the selected distribution is dwelling/cars
                // call important sampling

                /*if (currDist.GetDimensionName() == "DwellingType")
                {
                    newAgent = currImpSampler.GetNextAgent(currZone.myDwellMarginal,
                        currDist, currDist.GetDimensionName(),
                        prevAgent, currZone);
                }
                else if (currDist.GetDimensionName() == "NumOfCars")
                {
                    newAgent = currImpSampler.GetNextAgent(currZone.myCarsMarginal,
                        currDist, currDist.GetDimensionName(),
                        prevAgent, currZone);
                }*/

                // If the selected distribution is income
                // call MH
                //                else if (((ConditionalDistribution)condList[seltdDim])
                //                                .GetDimensionName() == "IncomeLevel")
                //                {
                //                    newAgent = myMHSampler.GetNextAgent((ModelDistribution)currDist,
                //                            currDist.GetDimensionName(), prevAgent, currZone);
                //                }
                if(currDist.GetDimensionName() == "HouseholdSize")
                {
                    newAgent = (Household)currImpSampler.GetNextAgent(
                        currZone.GetHousholdSizeDist(),
                        currDist, currDist.GetDimensionName(),
                        prevAgent, currZone);
                }
                else
                {
                    var currComm = currDist.GetCommulativeValue(
                        prevAgent.GetNewJointKey(currDist.GetDimensionName())
                        , currZone);
                    newAgent = (Household)GenerateNextAgent(currComm, prevAgent,
                        currDist.GetDimensionName());
                }

                prevAgent = newAgent;
                if(warmUpStatus == false && (i % Constants.SKIP_ITERATIONS == 0))
                {
                    generatedAgents.Add(newAgent);
                    uint currIncome = IncomeConvertor.GetEuroIncome((uint)
                                        newAgent.GetIncome());
                    builder.Append(newAgent.GetZoneID()); builder.Append(',');
                    builder.Append(currZone.GetEPFLName()); builder.Append(',');
                    builder.Append((int)newAgent.GetHhldSize()); builder.Append(',');
                    builder.Append((int)newAgent.GetNumOfWorkers()); builder.Append(',');
                    builder.Append((int)newAgent.GetNumOfKids()); builder.Append(',');
                    builder.Append((int)newAgent.GetNumOfUnivDegree()); builder.Append(',');
                    builder.Append((int)newAgent.GetIncomeLevel()); builder.Append(',');
                    builder.Append((int)newAgent.GetNumOfCars()); builder.Append(',');
                    builder.Append((int)newAgent.GetDwellingType());
                    currWriter.WriteToFile(builder.ToString());
                    builder.Clear();
                }
            }
            return generatedAgents;
        }
Ejemplo n.º 2
0
        private bool CheckLogicalInconsistencies(Household currHhld)
        {
            int totPer = (int)currHhld.GetHhldSize();
            int totWrk = (int)currHhld.GetNumOfWorkers();
            int totUnv = (int)currHhld.GetNumOfUnivDegree();
            int totKid = (int)currHhld.GetNumOfKids();

            if (totPer == 0)
            {
                totPer = 1;
            }

            if (totUnv > totPer)
            {
                currHhld.SetNumOfUnivDegree((NumWithUnivDeg)totPer);
                currHhld.SetNumOfWorkers((NumOfWorkers)totPer);
                currHhld.SetNumOfKids(NumOfKids.None);
                return true;
            }
            if (totWrk > totPer)
            {
                currHhld.SetNumOfWorkers((NumOfWorkers)totPer);
                currHhld.SetNumOfUnivDegree((NumWithUnivDeg)totPer);
                currHhld.SetNumOfKids(NumOfKids.None);
                return true;
            }
            if (totKid >= totPer)
            {
                currHhld.SetNumOfWorkers((NumOfWorkers)totPer);
                currHhld.SetNumOfUnivDegree((NumWithUnivDeg)totPer);
                currHhld.SetNumOfKids(NumOfKids.None);
                return true;
            }

            // number of univ degrees
            if (totKid > 0)
            {
                if ((totWrk < totUnv)
                    && (totPer < (totWrk - totUnv) + totKid + totWrk))
                {
                    currHhld.SetNumOfUnivDegree((NumWithUnivDeg)(totWrk));
                }
            }

            // number of kids
            if (totWrk == 0)
            {
                currHhld.SetNumOfKids(NumOfKids.None);
            }

            if ((totPer - totWrk == 0 && totKid > 0)
               || (totPer - totUnv == 0 && totKid > 0))
            {
                currHhld.SetNumOfKids(NumOfKids.None);
            }
            else if (totKid > totPer - totWrk)
            {
                currHhld.SetNumOfKids(NumOfKids.None);
            }
            return true;
        }