public static void main(String[] args) {
int n = 3;
int f = 1;
TrainingExample[] t = new TrainingExample[n];
double[] i0 = {0, 0};
t[0] = new TrainingExample(i0, 0);
double[] i1 = {1, 0};
t[1] = new TrainingExample(i1, 1);
double[] i2 = {2, 1};
t[2] = new TrainingExample(i2, 3);
LogisticRegression l = new LogisticRegression(1, .1, t);
l.tune(100);
System.out.println(l.classifyDefinitive(i1));
l.show();
try {
File file = new File("C:\\Users\\BrianCarlsen\\Documents\\testExample.txt");
l.writeToFile(file);
LogisticRegression l2 = new LogisticRegression(new TrainingExample[] {t[0]});
l2.loadFromFile(file);
l2.show();
System.out.println(l2.classifyDefinitive(i1));
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* @param lr is the learning rate.
* @param ts is the training set.
*/
public LogisticRegression(double lr, double rp, TrainingExample[] ts) {
learningRate = lr;
regularizationParam = rp;
trainingSet = ts;
// Construct the correct number of hypothesis given
// the number of features in the trainingSet
// and the number of different classifications
ArrayList<Integer> classifications = new ArrayList<Integer>();
for (TrainingExample t : trainingSet) {
Integer c = t.getAnswer();
if (!classifications.contains(c)) classifications.add(c);
}
hypothesis = new Hypothesis[classifications.size() - 0];
int s = trainingSet[0].getInput().length + 1;
for (int i = 0; i < classifications.size() - 0; ++i) {
hypothesis[i] = new Hypothesis(s, classifications.get(i));
}
try {
costFunction = this.getClass().getMethod("defaultCostFunction", Hypothesis.class);
} catch (Exception e) {
e.printStackTrace();
}
}
private static void setStream(String in, String out) {
try {
System.setIn(new BufferedInputStream(new FileInputStream(in)));
System.setOut(new PrintStream(out));
} catch (Exception e) {
e.printStackTrace();
}
}
// BEGIN CUT HERE
public static void main(String[] args) {
try {
eq(0, (new AccessLevel()).canAccess(new int[] {0, 1, 2, 3, 4, 5}, 2), "DDAAAA");
eq(1, (new AccessLevel()).canAccess(new int[] {5, 3, 2, 10, 0}, 20), "DDDDD");
eq(2, (new AccessLevel()).canAccess(new int[] {}, 20), "");
eq(3, (new AccessLevel()).canAccess(new int[] {34, 78, 9, 52, 11, 1}, 49), "DADADD");
} catch (Exception exx) {
System.err.println(exx);
exx.printStackTrace(System.err);
}
}
/**
* @param input is an array of matrices, each of which represents the values to input into that
* feature
* @return Returns the probability that the input is of this class
*/
public double predict(double[] input) {
Double p;
try {
p = (Double) function.invoke(this, input);
} catch (Exception e) {
e.printStackTrace();
p = new Double(-1);
}
return p;
}
// BEGIN CUT HERE
public static void main(String[] args) {
try {
eq(0, (new KnockoutTourney()).meetRival(16, 1, 2), 1);
eq(1, (new KnockoutTourney()).meetRival(16, 8, 9), 4);
eq(2, (new KnockoutTourney()).meetRival(1000, 20, 31), 4);
eq(3, (new KnockoutTourney()).meetRival(65536, 1000, 35000), 16);
eq(4, (new KnockoutTourney()).meetRival(60000, 101, 891), 10);
} catch (Exception exx) {
System.err.println(exx);
exx.printStackTrace(System.err);
}
}
// CONSTRUCTOR
public Hypothesis(int nF, int c) {
numFeatures = nF;
classification = c;
parameter = new Matrix(numFeatures, 1);
for (int i = 0; i < numFeatures; i++) parameter.set(i, 0, 1);
try {
function = this.getClass().getMethod("defaultHypothesis", double[].class);
} catch (Exception e) {
e.printStackTrace();
}
}
public void writeToFile(File f) {
try {
PrintWriter fw = new PrintWriter(new FileWriter(f, true));
String s = Integer.toString(numFeatures) + ", ";
s += Integer.toString(classification) + "; ";
for (int i = 0; i < parameter.getRowDimension(); ++i) s += parameter.get(i, 0) + ", ";
fw.println(s + "\n");
fw.close();
} catch (Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
eq(
0,
(new BallsSeparating_2())
.minOperations(new int[] {1, 1, 1}, new int[] {1, 1, 1}, new int[] {1, 1, 1}),
6);
eq(
1,
(new BallsSeparating_2()).minOperations(new int[] {5}, new int[] {6}, new int[] {8}),
-1);
eq(
2,
(new BallsSeparating_2())
.minOperations(
new int[] {4, 6, 5, 7}, new int[] {7, 4, 6, 3}, new int[] {6, 5, 3, 8}),
37);
eq(
3,
(new BallsSeparating_2())
.minOperations(
new int[] {7, 12, 9, 9, 7},
new int[] {7, 10, 8, 8, 9},
new int[] {8, 9, 5, 6, 13}),
77);
eq(
4,
(new BallsSeparating_2())
.minOperations(
new int[] {
842398, 491273, 958925, 849859, 771363, 67803, 184892, 391907, 256150, 75799
},
new int[] {
268944, 342402, 894352, 228640, 903885, 908656, 414271, 292588, 852057, 889141
},
new int[] {
662939, 340220, 600081, 390298, 376707, 372199, 435097, 40266, 145590, 505103
}),
7230607);
int[] a = new int[50];
int[] b = new int[50];
int[] c = new int[50];
fill(a, 1);
fill(b, 1);
fill(c, 1);
eq(5, (new BallsSeparating_2()).minOperations(a, b, c), 7230607);
} catch (Exception exx) {
System.err.println(exx);
exx.printStackTrace(System.err);
}
}
// BEGIN CUT HERE
public static void main(String[] args) {
try {
eq(0, (new ImprovingStatistics_NOTSOLVED()).howManyGames(10, 8), 1);
eq(1, (new ImprovingStatistics_NOTSOLVED()).howManyGames(100, 80), 6);
eq(2, (new ImprovingStatistics_NOTSOLVED()).howManyGames(47, 47), -1);
eq(3, (new ImprovingStatistics_NOTSOLVED()).howManyGames(99000, 0), 1000);
eq(4, (new ImprovingStatistics_NOTSOLVED()).howManyGames(1000000000, 470000000), 19230770);
eq(4, (new ImprovingStatistics_NOTSOLVED()).howManyGames(1750, 1015), 43);
eq(4, (new ImprovingStatistics_NOTSOLVED()).howManyGames(32532, 3342), 266);
} catch (Exception exx) {
System.err.println(exx);
exx.printStackTrace(System.err);
}
}
public void loadFromFile(File f) {
try {
BufferedReader reader = new BufferedReader(new FileReader(f));
String s = reader.readLine();
String[] ins = s.split("[,;] ");
numFeatures = new Integer(ins[0]);
classification = new Integer(ins[1]);
double[][] d = new double[ins.length - 2][1];
for (int i = 2; i < ins.length; ++i) d[i - 2][0] = new Double(ins[i]);
Matrix m = new Matrix(d);
parameter = m;
} catch (Exception e) {
e.printStackTrace();
}
}
public void diff(int id, String small, String large) {
try {
Scanner sm = new Scanner(new File(small));
Scanner lg = new Scanner(new File(large));
int line = 0;
while (sm.hasNextLine() && lg.hasNextLine()) {
String s = sm.nextLine();
String l = lg.nextLine();
if (!s.equals(l)) {
System.out.println(line + ">" + s);
System.out.println(line + "<" + l);
}
line++;
}
} catch (Exception e) {
e.printStackTrace();
}
}
private IntervalXYDataset getHistrogrammedDataAttributes(
String[] attributes, long barsize, long timesize) {
IntervalXYDataset dataset = null;
if (no_intervals) {
dataset = new XYSeriesCollection();
} else {
dataset = new YIntervalSeriesCollection();
}
for (int index = 0; index < attributes.length; index++) {
Histogram histogram = new Histogram(barsize);
String attribute = attributes[index];
for (ProcessInstance pi : mylog.getInstances()) {
Date begin;
try {
begin = pi.getAuditTrailEntryList().get(0).getTimestamp();
} catch (Exception e) {
Message.add(e.getMessage(), Message.ERROR);
return null;
} // starting time of process instance
int j = 0;
for (AuditTrailEntry ate : pi.getListOfATEs()) {
if (ate.getAttributes().containsKey(attribute)) {
Double val;
val = Double.valueOf(ate.getAttributes().get(attribute));
if (xbox.getSelectedIndex() == 2) {
histogram.addValue(j, val);
}
if (xbox.getSelectedIndex() == 3) {
histogram.addValue(timediff(begin, ate.getTimestamp()), val);
}
j++;
}
}
}
if (no_intervals) {
((XYSeriesCollection) dataset).addSeries(histogram.getXYSeries(attribute, timesize));
} else {
((YIntervalSeriesCollection) dataset)
.addSeries(histogram.getYIntervalSeries(attribute, timesize));
}
}
return dataset;
}
private void highlightError(int index) {
String message = (String) messages.elementAt(index);
int i = message.indexOf(":");
if ((i != -1) && (i < 10)) {
try {
int lineNumber = Integer.parseInt(message.substring(0, i).trim()) - 1;
if (lineNumber < sourceArea.getLineCount()) {
int start = sourceArea.getLineStartOffset(lineNumber);
int end = sourceArea.getLineEndOffset(lineNumber);
sourceArea.requestFocus();
sourceArea.setSelectionStart(start);
sourceArea.setSelectionEnd(end - 1);
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
public void loadFromString(String s) {
try {
String[] ins = s.split("[,;] ");
ArrayList<String> inl = new ArrayList<String>();
for (String in : ins) {
in.trim();
if (!in.isEmpty()) inl.add(in);
}
numFeatures = new Integer(inl.get(0));
classification = new Integer(inl.get(1));
double[][] d = new double[inl.size() - 2][1];
for (int i = 0; i < numFeatures; ++i) d[i][0] = new Double(inl.get(i + 2));
Matrix m = new Matrix(d);
parameter = m;
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Calculates the cost of the <code>trainingSet</code>.
*
* @param hyp the hypothesis to use in calculating the cost.
* @return the cost associated with the hypothesis.
*/
public double defaultCostFunction(Hypothesis hyp) {
double error = 0;
double h;
int answer;
for (TrainingExample t : trainingSet) {
try {
h = (Double) hyp.predict(t.getInput());
} catch (Exception e) {
e.printStackTrace();
continue;
}
answer = t.getAnswer();
error -= answer * log(h) + (1 - answer) * log(1 - h);
}
double regError = 0;
for (int i = 0; i < hyp.getNumFeatures(); ++i) {
regError += pow(hyp.getParameter(i), 2);
}
error += regError / regularizationParam;
return error / (2 * trainingSet.length);
}
public void loadFromFile(File f) {
ArrayList<Hypothesis> hl = new ArrayList<Hypothesis>();
String s;
try {
BufferedReader reader = new BufferedReader(new FileReader(f));
Hypothesis hyp;
while ((s = reader.readLine()) != null) {
if (s.equals("")) continue;
hyp = new Hypothesis(0, 0);
hyp.loadFromString(s);
hl.add(hyp);
}
} catch (Exception e) {
e.printStackTrace();
}
hypothesis = new Hypothesis[hl.size()];
int i = 0;
for (Hypothesis h : hl) {
hypothesis[i] = h;
++i;
}
}
EditFrame(RopeFrame parent) {
super(parent);
// Implement a smarter way to set the initial frame position and size
setLocation(0, 0);
setSize(670, 705);
try {
jbInit();
} catch (Exception ex) {
ex.printStackTrace();
}
sourceArea.addCaretListener(this);
browseButton.addActionListener(this);
optionsButton.addActionListener(this);
assembleButton.addActionListener(this);
saveButton.addActionListener(this);
messageList.addMouseListener(
new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent event) {
highlightError(messageList.locationToIndex(event.getPoint()));
}
});
undoMgr = new CompoundUndoManager(sourceArea);
undoAction = undoMgr.getUndoAction();
redoAction = undoMgr.getRedoAction();
undoMgr.updateUndoAction = new UpdateUndoAction();
undoMgr.updateRedoAction = new UpdateRedoAction();
document = sourceArea.getDocument();
ActionMap am = sourceArea.getActionMap();
InputMap im = sourceArea.getInputMap(JComponent.WHEN_FOCUSED);
// Remove automatic key bindings because we want them controlled by menu items
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_Z, RopeHelper.modifierMaks), "none");
im.put(
KeyStroke.getKeyStroke(KeyEvent.VK_Z, RopeHelper.modifierMaks + InputEvent.SHIFT_MASK),
"none");
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_X, RopeHelper.modifierMaks), "none");
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_C, RopeHelper.modifierMaks), "none");
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_V, RopeHelper.modifierMaks), "none");
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_A, RopeHelper.modifierMaks), "none");
im.put(KeyStroke.getKeyStroke(KeyEvent.VK_L, RopeHelper.modifierMaks), "none");
// Set custom binding action for tab key
String action = "tabKeyAction";
im.put(KeyStroke.getKeyStroke("TAB"), action);
am.put(
action,
new AbstractAction() {
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
try {
int caretPos = sourceArea.getCaretPosition();
int lineNum = sourceArea.getLineOfOffset(caretPos);
int startLine = sourceArea.getLineStartOffset(lineNum);
int endLine = sourceArea.getLineEndOffset(lineNum);
int linePos = caretPos - startLine;
if (linePos >= 39 && linePos < 79) {
caretPos = startLine + linePos + 10 - ((linePos + 1) % 10);
} else if (linePos >= 20 && linePos <= 39) {
caretPos = startLine + 39;
} else if (linePos >= 15 && linePos <= 19) {
caretPos = startLine + 20;
} else if (linePos >= 5 && linePos <= 14) {
caretPos = startLine + 15;
} else {
caretPos = startLine + 5;
}
// If the line is shorter than the new position fo the caret add enough spaces...
if (caretPos > endLine) {
StringBuilder str = new StringBuilder();
int size = caretPos - endLine;
while (size-- >= 0) {
str.append(' ');
}
document.insertString(endLine - 1, str.toString(), null);
}
sourceArea.setCaretPosition(caretPos);
} catch (BadLocationException ex) {
ex.printStackTrace();
}
}
});
// Set custom binding action for return/enter key
String actionKey = "backspaceKeyAction";
im.put(KeyStroke.getKeyStroke("BACK_SPACE"), actionKey);
am.put(
actionKey,
new AbstractAction()
// How can I get the original action?
{
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
try {
int caretPos = sourceArea.getCaretPosition();
int lineNum = sourceArea.getLineOfOffset(caretPos);
int startLine = sourceArea.getLineStartOffset(lineNum);
int endLine = sourceArea.getLineEndOffset(lineNum);
int linePos = caretPos - startLine;
if (linePos == 15) {
int endPos = 5;
int charPos = linePos;
for (; charPos > endPos; charPos--) {
char ch = sourceArea.getText().charAt((startLine + charPos) - 1);
if (!Character.isWhitespace(ch)) {
break;
}
}
sourceArea.setCaretPosition(startLine + charPos);
} else {
int startSel = sourceArea.getSelectionStart();
int endSel = sourceArea.getSelectionEnd();
if (startSel == endSel) {
startSel = caretPos - 1;
endSel = caretPos;
}
StringBuilder sb = new StringBuilder(sourceArea.getText());
sb.replace(startSel, endSel, "");
sourceArea.setText(sb.toString());
sourceArea.setCaretPosition(startSel);
}
} catch (BadLocationException ex) {
ex.printStackTrace();
}
}
});
// Set custom binding action for return/enter key
action = "enterKeyAction";
im.put(KeyStroke.getKeyStroke("ENTER"), action);
am.put(
action,
new AbstractAction() {
private static final long serialVersionUID = 1L;
@Override
public void actionPerformed(ActionEvent e) {
try {
int caretPos = sourceArea.getCaretPosition();
int lineNum = sourceArea.getLineOfOffset(caretPos);
int startLine = sourceArea.getLineStartOffset(lineNum);
int linePos = caretPos - startLine;
if (linePos >= 5) {
document.insertString(caretPos, "\n ", null);
} else {
document.insertString(caretPos, "\n", null);
}
} catch (BadLocationException ex) {
ex.printStackTrace();
}
}
});
document.addDocumentListener(
new DocumentListener() {
@Override
public void insertUpdate(DocumentEvent e) {
setSourceChanged(true);
}
@Override
public void removeUpdate(DocumentEvent e) {
setSourceChanged(true);
}
@Override
public void changedUpdate(DocumentEvent e) {
setSourceChanged(true);
}
});
}