outBuff.append(clusterer.toString() + "\n");
m_History.addResult(name, outBuff);
m_History.setSingle(name);
FastVector vv = new FastVector();
vv.addElement(clusterer);
if (trainHeader != null) vv.addElement(trainHeader);
if (ignoredAtts != null) vv.addElement(ignoredAtts);
// allow visualization of graphable classifiers
String grph = null;
if (clusterer instanceof Drawable) {