int qtli(vector<double>&, vector<double>&, vector<vector<double> >&);
vector< vector<double> > calculateEuclidianDistance(vector<vector<double> >&, int); //pass in axes and number of dimensions
vector< vector<double> > calculateEuclidianDistance(vector<vector<double> >&); //pass in axes
int qtli(vector<double>&, vector<double>&, vector<vector<double> >&);
vector< vector<double> > calculateEuclidianDistance(vector<vector<double> >&, int); //pass in axes and number of dimensions
vector< vector<double> > calculateEuclidianDistance(vector<vector<double> >&); //pass in axes