public String toString() {
StringBuilder out = new StringBuilder();
Formatter formatter = new Formatter(out, Locale.US);
for (int topic = 0; topic < numTopics; topic++) {
formatter.format("Topic %d", topic);
for (TopicScores scores : diagnostics) {
formatter.format("\t%s=%.4f", scores.name, scores.scores[topic]);
}
formatter.format("\n");
for (int position = 0; position < topicTopWords[topic].length; position++) {
if (topicTopWords[topic][position] == null) {
break;
}
formatter.format(" %s", topicTopWords[topic][position]);
for (TopicScores scores : diagnostics) {
if (scores.wordScoresDefined) {
formatter.format("\t%s=%.4f", scores.name, scores.topicWordScores[topic][position]);
}
}
out.append("\n");
}
}
return out.toString();
}
public String toXML() {
int[] tokensPerTopic = model.tokensPerTopic;
StringBuilder out = new StringBuilder();
Formatter formatter = new Formatter(out, Locale.US);
out.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
out.append("<model>\n");
for (int topic = 0; topic < numTopics; topic++) {
int[][] matrix = topicCodocumentMatrices[topic];
formatter.format("<topic id='%d'", topic);
for (TopicScores scores : diagnostics) {
formatter.format(" %s='%.4f'", scores.name, scores.scores[topic]);
}
out.append(">\n");
TreeSet<IDSorter> sortedWords = topicSortedWords.get(topic);
// How many words should we report? Some topics may have fewer than
// the default number of words with non-zero weight.
int limit = numTopWords;
if (sortedWords.size() < numTopWords) {
limit = sortedWords.size();
}
double cumulativeProbability = 0.0;
Iterator<IDSorter> iterator = sortedWords.iterator();
for (int position = 0; position < limit; position++) {
IDSorter info = iterator.next();
double probability = info.getWeight() / tokensPerTopic[topic];
cumulativeProbability += probability;
formatter.format(
"<word rank='%d' count='%.0f' prob='%.5f' cumulative='%.5f' docs='%d'",
position + 1,
info.getWeight(),
probability,
cumulativeProbability,
matrix[position][position]);
for (TopicScores scores : diagnostics) {
if (scores.wordScoresDefined) {
formatter.format(" %s='%.4f'", scores.name, scores.topicWordScores[topic][position]);
}
}
formatter.format(
">%s</word>\n",
topicTopWords[topic][position].replaceAll("&", "&").replaceAll("<", ">"));
}
out.append("</topic>\n");
}
out.append("</model>\n");
return out.toString();
}