static void Main(string[] args)
{
var descriptor = Descriptor.For <Tennis>()
.With(t => t.Outlook)
.With(t => t.Temperature)
.With(t => t.Windy)
.With(t => t.Humidity)
.Learn(t => t.Play);
Console.WriteLine(descriptor);
var generator = new DecisionTreeGenerator(descriptor);
var model = generator.Generate(Tennis.GetData());
Console.WriteLine($"Model:\n{model}");
var tn = new Tennis {
Outlook = Outlook.Sunny,
Temperature = Temperature.Cool,
Humidity = Humidity.High,
Windy = true
};
var tennis = model.PredictValue(tn);
Console.WriteLine($"Play? {tennis}");
Console.ReadKey();
}
public static Tennis[] GetData()
{
return(new Tennis[]
{
Tennis.Make(Outlook.Sunny, Temperature.Hot, Humidity.High, false, false),
Tennis.Make(Outlook.Sunny, Temperature.Hot, Humidity.High, true, false),
Tennis.Make(Outlook.Overcast, Temperature.Hot, Humidity.High, false, true),
Tennis.Make(Outlook.Rainy, Temperature.Mild, Humidity.High, false, true),
Tennis.Make(Outlook.Rainy, Temperature.Cool, Humidity.Normal, false, true),
Tennis.Make(Outlook.Rainy, Temperature.Cool, Humidity.Normal, true, false),
Tennis.Make(Outlook.Overcast, Temperature.Cool, Humidity.Normal, true, true),
Tennis.Make(Outlook.Sunny, Temperature.Mild, Humidity.High, false, false),
Tennis.Make(Outlook.Sunny, Temperature.Cool, Humidity.Normal, false, true),
Tennis.Make(Outlook.Rainy, Temperature.Mild, Humidity.Normal, false, true),
Tennis.Make(Outlook.Sunny, Temperature.Mild, Humidity.Normal, true, true),
Tennis.Make(Outlook.Overcast, Temperature.Mild, Humidity.High, true, true),
Tennis.Make(Outlook.Overcast, Temperature.Hot, Humidity.Normal, false, true),
Tennis.Make(Outlook.Rainy, Temperature.Mild, Humidity.High, true, false)
});
}
