@Override
	public String toString() {
		StringBuilder buffer = new StringBuilder();
		buffer.append("d=").append(depth);
		buffer.append(" h=").append(hash);
		buffer.append(" w=").append(weight);
		buffer.append(" vert=").append(root.uid);
		return buffer.toString();
	}
Check if this and another n-gram are rooted in different data-flow graphs
@param other is the other n-gram to compare
@return true if the n-grams are from different graphs
Ghidra/Features/CodeCompare/src/main/java/ghidra/features/codecompare/graphanalysis/DataNGram.java