"","n_neighbors","dubious_number_nneighbors" "1",5,768 "2",6,986 "3",7,893 "4",8,733 "5",9,872 "6",10,1037 "7",15,946 "8",20,935 "9",25,978 "10",30,996 "11",35,826 "12",40,929 "13",45,661 "14",50,900 "15",80,984 "16",160,594 "17",240,835 "18",320,663