//do merges and create tree structure by setting parents and children
//there are numGroups - 1 merges to do
//do merges and create tree structure by setting parents and children
//there are numGroups - 1 merges to do
tree[indexes[column]].setBranchLength(blength - tree[indexes[column]].getLengthToLeaves());
//set your length to leaves to your childs length plus branchlength
tree[indexes[column]].setBranchLength(blength - tree[indexes[column]].getLengthToLeaves());
//set your length to leaves to your childs length plus branchlength