docs: public double conditionalLogProbGivenFirst(int given, int[] of) {
      if (of.length != windowSize - 1) {
        throw new IllegalArgumentException("conditionalLogProbGivenFirst requires of one less than clique size (" +
            windowSize + ") but was " + Arrays.toString(of));
      }
      // compute P(given, of)
      int[] labels = new int[windowSize];
      labels[0] = given;
      System.arraycopy(of, 0, labels, 1, windowSize - 1);
      // double probAll = logProb(labels);
      double probAll = unnormalizedLogProb(labels);
  
      // compute P(given)
      // double probGiven = logProbFront(given);
      double probGiven = unnormalizedLogProbFront(given);
  
      // compute P(given, of) / P(given)
      return probAll - probGiven;
    }