if (inputFile.value != null) {
InstanceList instances = InstanceList.load (new File(inputFile.value));
System.out.println ("Training Data loaded.");
lda=new LDAStream(numTopics.value, alpha.value, beta.value);
lda.addInstances(instances);
}
if(testFile.value != null) {
InstanceList testing = InstanceList.load(new File(testFile.value));
lda.setTestingInstances(testing);
}