private static void renderAxes(Graphics2D g2d, float tic, float max) {
/*
g2d.setColor(Color.BLACK);
g2d.setStroke(new BasicStroke(3));
g2d.setFont(new Font("Arial",Font.PLAIN,20));
int areaWidth = width - 2*borderWidth;
int areaHeight = height - 2*borderWidth;
g2d.drawLine(borderWidth, borderWidth, borderWidth, height-borderWidth);
g2d.drawLine(borderWidth, height-borderWidth, width-borderWidth, height-borderWidth);
int fontHeight = g2d.getFontMetrics().getHeight();
int fontWidth = g2d.getFontMetrics().stringWidth("0.0");
for (float f = 0; f <= max; f+= tic){
int ticY = Math.round((height-borderWidth) - (f/max) * (areaHeight));
g2d.drawString(StringUtilities.formatNumber("0.0", f), borderWidth-ticSize-fontWidth, fontHeight / 2 + ticY);
g2d.drawLine(borderWidth - ticSize, ticY, borderWidth, ticY);
int ticX = Math.round(borderWidth + (f/max) * (areaWidth));
g2d.drawString(StringUtilities.formatNumber("0.0", f), ticX - fontWidth/2,height-borderWidth+ticSize+fontHeight);
g2d.drawLine(ticX, height-borderWidth, ticX, height-borderWidth+ticSize);
}
*/
g2d.setStroke(new BasicStroke(1));
g2d.setFont(new Font("Arial", Font.PLAIN, 30));
int areaWidth = width - 2 * borderWidth;
int areaHeight = height - 2 * borderWidth;
g2d.setColor(new Color(238, 238, 238));
g2d.fillRect(borderWidth, borderWidth, areaWidth, areaHeight);
int fontHeight = g2d.getFontMetrics().getHeight();
int fontWidth = g2d.getFontMetrics().stringWidth("0.0");
for (float f = 0; f <= max; f += tic) {
int ticY = Math.round((height - borderWidth) - (f / max) * (areaHeight));
g2d.setColor(Color.BLACK);
g2d.drawString(
StringUtilities.formatNumber("0.0", f),
borderWidth - ticSize - fontWidth - 3,
ticY + (fontHeight / 2) - 5);
g2d.setColor(new Color(170, 170, 170));
if (f != 0 && f != max) g2d.drawLine(borderWidth, ticY, width - borderWidth, ticY);
int ticX = Math.round(borderWidth + (f / max) * (areaWidth));
g2d.setColor(Color.BLACK);
g2d.drawString(
StringUtilities.formatNumber("0.0", f),
ticX - fontWidth / 2,
height - borderWidth + ticSize + fontHeight);
g2d.setColor(new Color(170, 170, 170));
if (f != 0 && f != max) g2d.drawLine(ticX, borderWidth, ticX, height - borderWidth);
}
}
public static void createROC(ClassifierOutput classifierOutput, String filename) {
WriteTextFile out = null;
if (outputROCcsv) {
out = new WriteTextFile(filename.replace(".gif", ".csv"));
out.writeln("FPR,TPR");
}
BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2d = (Graphics2D) img.getGraphics();
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setColor(Color.WHITE);
g2d.fillRect(0, 0, width, height);
renderAxes(g2d, 0.2f, 1f);
// renderDiagonal(g2d);
renderROC(g2d, classifierOutput, out);
if (includeAuCinROC) {
double auc =
ClassifierEvaluator.areaUnderCurveConfidenceInterval(classifierOutput).pointEstimate;
g2d.setColor(Color.black);
g2d.setFont(new Font("Arial", Font.PLAIN, 50));
FontMetrics metrics = g2d.getFontMetrics();
String text = "AUC = " + StringUtilities.formatNumber("0.00", auc);
int textWidth = metrics.stringWidth(text);
int textHeight = metrics.getHeight();
g2d.drawString(
text, Math.round(width - textWidth - borderWidth), Math.round(height - textHeight) + 7);
}
try {
ImageIO.write(img, "GIF", new File(filename));
} catch (IOException e) {
e.printStackTrace();
}
if (out != null) out.close();
}
public static boolean kristinasChemicalShortTokenFilterRule(
String term, Set<String> stopwordsForFiltering) {
term = term.toLowerCase();
ChemicalSBDtokenizer tokenizer = new ChemicalSBDtokenizer();
tokenizer.tokenize(term);
String tokenizedTerm = "";
for (String token : tokenizer.tokens) {
tokenizedTerm = tokenizedTerm.concat(token);
}
if (tokenizedTerm.length() < minWordSize
|| StringUtilities.isNumber(tokenizedTerm)
|| StringUtilities.isRomanNumeral(tokenizedTerm.toUpperCase())
|| stopwordsForFiltering.contains(tokenizedTerm)) {
return true;
}
return false;
}