private void computeTopicMustsetWordDistribution() {
		if (param.sampleLag > 0) {
			for (int t = 0; t < param.T; ++t) {
				for (int ms = 0; ms < MS; ++ms) {
					int size = mustsets.getMustSet(ms).size();
					for (int i = 0; i < size; ++i) {
						eta[t][ms][i] = etasum[t][ms][i] / numstats;
					}
				}
			}
		} else {
			for (int t = 0; t < param.T; ++t) {
				for (int ms = 0; ms < MS; ++ms) {
					int size = mustsets.getMustSet(ms).size();
					for (int i = 0; i < size; ++i) {
						eta[t][ms][i] = (ntsw[t][ms][i] + gamma[ms][i])
								/ (ntssum[t][ms] + vGamma[t][ms]);
					}
				}
			}
		}
	}