public static Tennis[] GetTennisData(bool predetermined = true)
{
if (predetermined)
{
return(new Tennis[] {
new Tennis {
Play = true, Outlook = Outlook.Sunny, Temperature = Temperature.Low, Windy = true
},
new Tennis {
Play = false, Outlook = Outlook.Sunny, Temperature = Temperature.High, Windy = true
},
new Tennis {
Play = false, Outlook = Outlook.Sunny, Temperature = Temperature.High, Windy = false
},
new Tennis {
Play = true, Outlook = Outlook.Overcast, Temperature = Temperature.Low, Windy = true
},
new Tennis {
Play = true, Outlook = Outlook.Overcast, Temperature = Temperature.High, Windy = false
},
new Tennis {
Play = true, Outlook = Outlook.Overcast, Temperature = Temperature.Low, Windy = false
},
new Tennis {
Play = false, Outlook = Outlook.Rainy, Temperature = Temperature.Low, Windy = true
},
new Tennis {
Play = true, Outlook = Outlook.Rainy, Temperature = Temperature.Low, Windy = false
}
});
}
else
{
var result = new List <Tennis>();
var outlookOptions = new List <Outlook>()
{
Outlook.Sunny,
Outlook.Overcast,
Outlook.Rainy
};
for (int i = 0; i < 1000; i++)
{
// Completely random (should generate around 50% accuracy, closer to 50% with more iterations)
//Tennis tennis = GetTennis_CompletelyRandom(outlookOptions);
// Calm wind means play (generates 100.0% accuracy)
//Tennis tennis = GetTennis_CalmWindAlwaysPlay(outlookOptions);
// Some kind of meaning behind whether to play or not,
// so this should be a higher accuracy than completely random,
// but not close to 100%
Tennis tennis = GetTennis_UsuallyPlayFairConditions(outlookOptions);
result.Add(tennis);
}
return(result.ToArray());
}
}
private static Tennis GetTennis_CompletelyRandom(List <Outlook> outlookOptions)
{
var tennis = new Tennis()
{
Play = Randm.Helper.PickBool(0.5),
Outlook = Randm.Helper.PickOne(outlookOptions),
Temperature = Randm.Helper.PickBool(0.5) ? Temperature.Low : Temperature.High,
Windy = Randm.Helper.PickBool(0.5),
};
return(tennis);
}
private static Tennis GetTennis_CalmWindAlwaysPlay(List <Outlook> outlookOptions)
{
var tennis = new Tennis()
{
Outlook = Randm.Helper.PickOne(outlookOptions),
Temperature = Randm.Helper.PickBool(0.5) ? Temperature.Low : Temperature.High,
Windy = Randm.Helper.PickBool(0.5),
};
tennis.Play = !tennis.Windy;
return(tennis);
}
private static Tennis GetTennis_UsuallyPlayFairConditions(List <Outlook> outlookOptions)
{
var tennis = new Tennis()
{
Outlook = Randm.Helper.PickOne(outlookOptions),
Temperature = Randm.Helper.PickBool(0.7) ? Temperature.Low : Temperature.High,
Windy = Randm.Helper.PickBool(0.7),
};
if (tennis.Windy && tennis.Outlook == Outlook.Rainy)
{
tennis.Play = Randm.Helper.PickBool(0.1);
}
else if (tennis.Outlook == Outlook.Overcast)
{
tennis.Play = Randm.Helper.PickBool(0.8);
}
else
{
tennis.Play = Randm.Helper.PickBool(0.9);
}
return(tennis);
}
