public string GetDatasetInfo() =>
string.Concat(
"Data set contains ",
KNN.Count(),
" instances.\n",
KNN.Count(true),
" - positive survival status,\n",
KNN.Count(false),
" - negative."
);
static void Main(string[] args)
{
// Itinialize KNN
using (StreamReader reader = new StreamReader(DatasetFile))
{
while (!reader.EndOfStream)
{
string[] strValues = reader.ReadLine().Split(',');
int[] intValues = Array.ConvertAll <string, int>(strValues, int.Parse);
Patient p = new Patient()
{
Age = intValues[0],
OperationYear = intValues[1],
NodesNumber = intValues[2]
};
bool c = intValues[3] == 1;
KNN.Add(p, c);
}
}
// Start service
ServiceHost host = new ServiceHost(typeof(KNNService), new Uri(Uri));
host.AddServiceEndpoint(typeof(IKNNService), new WSHttpBinding(), "");
ServiceMetadataBehavior behavior = new ServiceMetadataBehavior();
behavior.HttpGetEnabled = true;
host.Description.Behaviors.Add(behavior);
host.AddServiceEndpoint(typeof(IMetadataExchange), MetadataExchangeBindings.CreateMexHttpBinding(), "mex");
host.Open();
Console.WriteLine("Server runing at " + Uri);
// Waiting for interrupt
Console.ReadKey();
host.Close();
}
public void AddPatient(Patient p, bool c)
{
ServiceInfo.NewRequest();
KNN.Add(p, c);
}
public bool GetClass(Patient p)
{
ServiceInfo.NewRequest();
return(KNN.Classify(p));
}