static void Main(string[] args)
{
TaxiFarePredictionEngine.PredictionEngine predictionEngine = new TaxiFarePredictionEngine.PredictionEngine();
Evaluate(predictionEngine);
TestSinglePrediction(predictionEngine);
Console.ReadLine();
}
private static void Evaluate(TaxiFarePredictionEngine.PredictionEngine predictionEngine)
{
RegressionMetrics metrics = predictionEngine.Evaluate();
Console.WriteLine();
Console.WriteLine($"*************************************************");
Console.WriteLine($"* Model quality metrics evaluation ");
Console.WriteLine($"*------------------------------------------------");
Console.WriteLine($"* RSquared Score: {metrics.RSquared:0.##}");
Console.WriteLine($"* Root Mean Squared Error: {metrics.RootMeanSquaredError:#.##}");
}
private static void TestSinglePrediction(TaxiFarePredictionEngine.PredictionEngine predictionEngine)
{
TaxiTrip taxiTripSample = new TaxiTrip()
{
VendorId = "VTS",
RateCode = "1",
PassengerCount = 1,
TripTime = 1140,
TripDistance = 3.75f,
PaymentType = "CRD",
FareAmount = 0
};
TaxiTripFarePrediction prediction = predictionEngine.GetFarePrediction(taxiTripSample);
Console.WriteLine($"**********************************************************************");
Console.WriteLine($"Predicted fare: {prediction.FareAmount:0.####}, actual fare: 15.5");
Console.WriteLine($"**********************************************************************");
}
public ActionResult Create(TaxiTrip trip)
{
TaxiFarePredictionEngine.Models.TaxiTrip taxitrip = new TaxiFarePredictionEngine.Models.TaxiTrip
{
VendorId = trip.VendorId.ToString(),
RateCode = trip.RateCode,
PassengerCount = trip.PassengerCount,
TripTime = trip.TripTime,
TripDistance = trip.TripDistance,
PaymentType = trip.PaymentType.ToString()
};
TaxiFarePredictionEngine.PredictionEngine predictionEngine = new TaxiFarePredictionEngine.PredictionEngine();
TaxiFarePredictionEngine.Models.TaxiTripFarePrediction prediction = predictionEngine.GetFarePrediction(taxitrip);
trip.FareAmount = prediction.FareAmount;
return(View("View", trip));
}
