Relevant snippet from full inference to show the agreeing k.

gistfile1.java

/*
		 * Now start the agreeing k 
		 */
		//Different deltas for different relations
double delta = GoldDbInference.marginMap.get(lrg.relation);
int leastFlips = Integer.MAX_VALUE;
double bestCentralValue = -1;
	/**
	 * Find the optimal central value
	 */
for (int n_i = 0; n_i < numN; n_i++) {
	if(p.n_states[n_i]) { //potential central value?
		int flipsCaused = 0;
		double centralValue = lrg.n[n_i].value;
		for (int n_c = 0; n_c < numN; n_c++) {
		    if(p.n_states[n_c] && !(MathUtils.within(lrg.n[n_c].value, centralValue, delta))) { //check if this guy must be turned off 
                        flipsCaused++;
		    }
	         }
		if(flipsCaused < leastFlips) {
		    leastFlips = flipsCaused;
		    bestCentralValue = centralValue;
		}
	}
}
	assert(bestCentralValue != -1);
//complete by actually flipping the n nodes that do not agree
for (int n_i = 0; n_i < numN; n_i++) {
    if(p.n_states[n_i] && !(MathUtils.within(lrg.n[n_i].value, bestCentralValue, delta))) { //check if this guy must be turned off
        p.n_states[n_i] = false;			
    }
}
		
	return p;
}