/// <summary>
/// Loads a set of tokens
/// </summary>
/// <param name="SetATokens">Set A</param>
/// <param name="SetBTokens">Set B</param>
public virtual void LoadTokens(System.Collections.Generic.List <T> SetATokens, System.Collections.Generic.List <T> SetBTokens)
{
if (SetATokens == null)
{
throw new ArgumentNullException("SetATokens");
}
if (SetBTokens == null)
{
throw new ArgumentNullException("SetBTokens");
}
if (SetA == null)
{
SetA = new Bag <T>();
}
if (SetB == null)
{
SetB = new Bag <T>();
}
foreach (T TokenA in SetATokens)
{
SetA.Add(TokenA);
}
foreach (T TokenB in SetBTokens)
{
SetB.Add(TokenB);
}
TotalA = 0;
TotalB = 0;
foreach (T Token in SetA)
{
TotalA += SetA[Token];
}
foreach (T Token in SetB)
{
TotalB += SetB[Token];
}
Total = TotalA + TotalB;
Probabilities = new Dictionary <T, double>();
foreach (T Token in SetA)
{
Probabilities.Add(Token, CalculateProbabilityOfToken(Token));
}
foreach (T Token in SetB)
{
if (!Probabilities.ContainsKey(Token))
{
Probabilities.Add(Token, CalculateProbabilityOfToken(Token));
}
}
}
/// <summary>
/// Calculates a single items probability of being in set A
/// </summary>
/// <param name="Item">Item to calculate</param>
/// <returns>The probability that the token is from set A</returns>
protected virtual double CalculateProbabilityOfToken(T Item)
{
Contract.Requires <ArgumentNullException>(SetA != null && SetB != null, "Probabilities have not been initialized");
double Probability = 0;
int ACount = SetA.Contains(Item) ? SetA[Item] * ATokenWeight : 0;
int BCount = SetB.Contains(Item) ? SetB[Item] * BTokenWeight : 0;
if (ACount + BCount >= MinCountForInclusion)
{
double AProbability = ((double)ACount / (double)TotalA).Min(1);
double BProbability = ((double)BCount / (double)TotalB).Min(1);
Probability = MinTokenProbability.Max(MaxTokenProbability.Min(AProbability / (AProbability + BProbability)));
}
return(Probability);
}
/// <summary>
/// Button4_Click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button4_Click(object sender, RoutedEventArgs e)
{
// check and indicate if T is subset of A
SubsetIndicatorT = SetT.All(x => SetA.Contains(x)); if (SubsetIndicatorT)
{
Console.Beep();
}
else
{
Console.Beep(); Console.Beep();
}
// execute the LINQ commands
IntersectionAB = new ObservableCollection <string>(SetA.Intersect(SetB));
UnionAB = new ObservableCollection <string>(SetA.Union(SetB));
RelativeComplementAB = new ObservableCollection <string>(SetA.Except(SetB));
}
/// <summary>
/// Calculates a single items probability of being in set A
/// </summary>
/// <param name="Item">Item to calculate</param>
/// <returns>The probability that the token is from set A</returns>
protected virtual double CalculateProbabilityOfToken(T Item)
{
if (SetA == null || SetB == null)
{
throw new NullReferenceException("Probabilities have not been initialized");
}
double Probability = 0;
int ACount = SetA.Contains(Item) ? SetA[Item] * ATokenWeight : 0;
int BCount = SetB.Contains(Item) ? SetB[Item] * BTokenWeight : 0;
if (ACount + BCount >= MinCountForInclusion)
{
double AProbability = ((double)ACount / (double)TotalA).Min(1);
double BProbability = ((double)BCount / (double)TotalB).Min(1);
Probability = MinTokenProbability.Max(MaxTokenProbability.Min(AProbability / (AProbability + BProbability)));
}
return(Probability);
}
private void ClearSets()
{
SetA.Clear();
SetB.Clear();
SetT.Clear();
if (IntersectionAB != null)
{
IntersectionAB.Clear();
}
if (UnionAB != null)
{
UnionAB.Clear();
}
if (RelativeComplementAB != null)
{
RelativeComplementAB.Clear();
}
}
public void Predict(IEnumerable <double[]> elems)
{
var roundWeights = Weights.RoundValues(2).ToArray();
var roundBias = new [] { Bias }.RoundValues(2).ToArray();
foreach (var e in elems)
{
var @class = Math.Sign(e.Dot(roundWeights) + ModelToUse * roundBias.First());
if (@class >= 1)
{
SetA.Add(new Tuple <double, double>(e[0], e[1]));
}
else if (@class <= -1)
{
SetB.Add(new Tuple <double, double>(e[0], e[1]));
}
else
{
Hyperplane.Add(new Tuple <double, double>(e[0], e[1]));
}
}
}
/// <summary>
/// Button4_Click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button4_Click(object sender, RoutedEventArgs e)
{
// check and indicate if T is subset of A
SubsetIndicatorT = SetT.All(x => SetA.Contains(x, new KeyAndTimeComparer())); if (SubsetIndicatorT)
{
Console.Beep();
}
else
{
Console.Beep(); Console.Beep();
}
// execute the LINQ commands
var ResultSet = SetA.Intersect(SetB, new KeyAndTimeComparer());
IntersectionAB = new ObservableCollection <KeyAndTime>(ResultSet.ToList <KeyAndTime>());
ResultSet = SetA.Union(SetB, new KeyAndTimeComparer());
UnionAB = new ObservableCollection <KeyAndTime>(ResultSet.ToList <KeyAndTime>());
ResultSet = SetA.Except(SetB, new KeyAndTimeComparer());
RelativeComplementAB = new ObservableCollection <KeyAndTime>(ResultSet.ToList <KeyAndTime>());
}
/// <summary>
/// Loads a set of tokens
/// </summary>
/// <param name="SetATokens">Set A</param>
/// <param name="SetBTokens">Set B</param>
public virtual void LoadTokens(System.Collections.Generic.List <T> SetATokens, System.Collections.Generic.List <T> SetBTokens)
{
SetATokens.ThrowIfNull("SetATokens");
SetBTokens.ThrowIfNull("SetBTokens");
SetA = SetA.NullCheck(new Bag <T>());
SetB = SetB.NullCheck(new Bag <T>());
SetA.AddRange(SetATokens);
SetB.AddRange(SetBTokens);
TotalA = SetA.Sum(x => SetA[x]);
TotalB = SetB.Sum(x => SetB[x]);
Total = TotalA + TotalB;
Probabilities = new Dictionary <T, double>();
foreach (T Token in SetA)
{
Probabilities.Add(Token, CalculateProbabilityOfToken(Token));
}
foreach (T Token in SetB)
{
if (!Probabilities.ContainsKey(Token))
{
Probabilities.Add(Token, CalculateProbabilityOfToken(Token));
}
}
}
/// <summary>
/// Loads a set of tokens
/// </summary>
/// <param name="SetATokens">Set A</param>
/// <param name="SetBTokens">Set B</param>
public virtual void LoadTokens(IEnumerable <T> SetATokens, IEnumerable <T> SetBTokens)
{
Contract.Requires <ArgumentNullException>(SetATokens != null, "SetATokens");
Contract.Requires <ArgumentNullException>(SetBTokens != null, "SetBTokens");
SetA = SetA.Check(() => new Bag <T>());
SetB = SetB.Check(() => new Bag <T>());
SetA.Add(SetATokens);
SetB.Add(SetBTokens);
TotalA = SetA.Sum(x => SetA[x]);
TotalB = SetB.Sum(x => SetB[x]);
Total = TotalA + TotalB;
Probabilities = new Dictionary <T, double>();
foreach (T Token in SetA)
{
Probabilities.Add(Token, CalculateProbabilityOfToken(Token));
}
foreach (T Token in SetB)
{
if (!Probabilities.ContainsKey(Token))
{
Probabilities.Add(Token, CalculateProbabilityOfToken(Token));
}
}
}
/// <summary>
/// Loads a set of tokens
/// </summary>
/// <param name="SetATokens">Set A</param>
/// <param name="SetBTokens">Set B</param>
public virtual void LoadTokens(IEnumerable <T> SetATokens, IEnumerable <T> SetBTokens)
{
Contract.Requires <ArgumentNullException>(SetATokens != null, "SetATokens");
Contract.Requires <ArgumentNullException>(SetBTokens != null, "SetBTokens");
SetA = SetA.Check(() => new Bag <T>());
SetB = SetB.Check(() => new Bag <T>());
SetA.Add(SetATokens);
SetB.Add(SetBTokens);
TotalA = SetA.Sum(x => SetA[x]);
TotalB = SetB.Sum(x => SetB[x]);
Total = TotalA + TotalB;
Probabilities = new ConcurrentDictionary <T, double>();
Parallel.ForEach(SetA, Token =>
{
Probabilities.AddOrUpdate(Token, x => CalculateProbabilityOfToken(x), (x, y) => CalculateProbabilityOfToken(x));
});
Parallel.ForEach(SetB, Token =>
{
if (!Probabilities.ContainsKey(Token))
{
Probabilities.AddOrUpdate(Token, x => CalculateProbabilityOfToken(x), (x, y) => y);
}
});
}
private void Confirm_Click(object sender, RoutedEventArgs e)
{
try
{
aString = SetA.Text;
bString = SetB.Text;
rString = Relation.Text;
Relation relation = new Relation(aString, bString, rString);
CustomButton b1 = new CustomButton(aString, bString, rString);
Label l2 = new Label();
Label l3 = new Label();
Label l4 = new Label();
Label l5 = new Label();
Label l6 = new Label();
Label l7 = new Label();
Label l8 = new Label();
Label l9 = new Label();
Label l10 = new Label();
Label l11 = new Label();
b1.Name = "wholeRel" + counter;
b1.Content = "Draw this relation";
b1.Click += DrawRelation_Click;
b1.Height = 23;
l2.Name = "lefttotal" + counter;
l2.Content = "Lefttotal: " + relation.isLefttotal();
l2.Height = 23;
l3.Name = "righttotal";
l3.Content = "Righttotal: " + relation.isRighttotal();
l3.Height = 23;
l4.Name = "bitotal";
l4.Content = "Bitotal: " + relation.isBitotal();
l4.Height = 23;
l5.Name = "leftunique";
l5.Content = "Leftunique: " + relation.isLeftunique();
l5.Height = 23;
l6.Name = "rightunique";
l6.Content = "Rightunique: " + relation.isRightunique();
l6.Height = 23;
l7.Name = "onetoone";
l7.Content = "One-to-one: " + relation.isOneunique();
l7.Height = 23;
l8.Name = "function";
l8.Content = "Function: " + relation.isFunction();
l8.Height = 23;
l9.Name = "surjective";
l9.Content = "Surjective: " + relation.isSurjective();
l9.Height = 23;
l10.Name = "injective";
l10.Content = "Injective: " + relation.isInjective();
l10.Height = 23;
l11.Name = "bijective";
l11.Content = "Bijective: " + relation.isBijective();
l11.Height = 23;
CustomButton btn = new CustomButton(aString, bString, rString);
btn.Name = "RelBtn" + counter;
btn.Content = ("R" + counter + " = ({" + aString + "} x {" + bString + "}, {" + rString + "})");
btn.Click += RelButton_Click;
TopStackPanel.Children.Add(btn);
StackPanel stack = new StackPanel();
stack.Name = "S" + counter;
stack.Visibility = Visibility.Collapsed;
stack.HorizontalAlignment = HorizontalAlignment.Center;
stack.Children.Add(b1);
stack.Children.Add(l2);
stack.Children.Add(l3);
stack.Children.Add(l4);
stack.Children.Add(l5);
stack.Children.Add(l6);
stack.Children.Add(l7);
stack.Children.Add(l8);
stack.Children.Add(l9);
stack.Children.Add(l10);
stack.Children.Add(l11);
TopStackPanel.Children.Add(stack);
counter++;
SetA.Foreground = Brushes.LightGray;
SetA.Text = defaultTextA;
SetB.Foreground = Brushes.LightGray;
SetB.Text = defaultTextB;
Relation.Foreground = Brushes.LightGray;
Relation.Text = defaultTextR;
SetA.Focus();
}
catch (InputNotIntException)
{
MessageBox.Show("You need to enter numbers only!");
}
}
/******************************/
/* Button Events */
/******************************/
#region Button Events
/// <summary>
/// Button1_Click
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Button1_Click(object sender, RoutedEventArgs e)
{
SetA.Add(Input);
}