public void TrainAndValidate()
{
var clusterSizes = new int[] { 10, 100, 150, 200, 250, 300, 400, 500, 750, 1000, 2000 };
CSVWriter csvWriter = new CSVWriter(@"..\..\testdata\validations.csv", ";");
Console.WriteLine("Writing validation results to validations.csv");
foreach (var driver in drivers)
{
var currentTrips = trips.Where(t => t.DriverId.Equals(driver));
for (int i = 1; i < currentTrips.Count() - 1; i++)
{
List <TripSummary> trainingSet = new List <TripSummary>();
List <TripSummary> validationSet = new List <TripSummary>();
int j = 0;
foreach (var trip in currentTrips)
{
if (j++ < i)
{
trainingSet.Add(trip);
}
else
{
validationSet.Add(trip);
}
}
foreach (var clusterSize in clusterSizes)
{
RoutePrediction routePrediction = new RoutePrediction(clusterSize);
RoutePredictionValidationResult result = routePrediction.TrainAndValidate(trainingSet, validationSet);
csvWriter.WriteRow(driver, clusterSize, trainingSet.Count(), validationSet.Count(), result.Validations);
}
}
}
Console.WriteLine("done");
}
public RoutePredictionValidationResult TrainAndValidate(IEnumerable<TripSummary> trainingTrips, IEnumerable<TripSummary> validationTrips)
{
// nulling the existing clusters to load a new table
endLocationRoot = null;
startLocationRoot = null;
RoutePredictionValidationResult result = new RoutePredictionValidationResult();
try
{
foreach (var trip in trainingTrips)
{
AddTripSummary(trip);
}
result.NrOfTrainingSessions = trainingTrips.Count();
foreach (var validationItem in validationTrips)
{
result.Validations.Add(ValidateRoutePrediction(validationItem));
}
}
catch
{
endLocationRoot = null;
startLocationRoot = null;
}
return result;
}
