smoothingOnlyMass -= alpha[newTopic] * beta /
(tokensPerTopic[newTopic] + betaSum);
topicBetaMass -= beta * localTopicCounts.get(newTopic) /
(tokensPerTopic[newTopic] + betaSum);
localTopicCounts.adjustOrPutValue(newTopic, 1, 1);
tokensPerTopic[newTopic]++;
// update the coefficients for the non-zero topics
cachedCoefficients[newTopic] =
(alpha[newTopic] + localTopicCounts.get(newTopic)) /