There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 3.483241 -1.290107
Black King Bar 2.979856 0.285067
Daedalus 2.582120 0.909192
Mask Of Madness 1.389090 -1.067205
Echo Sabre 0.895624 -0.636261
Blink Dagger 1.132381 -0.784862
Harpoon 1.782937 0.552549
Bracer 0.389128 -1.822100
Aghanim'S Shard 0.872347 -1.290107
Sange And Yasha 0.760182 0.314787
Aghanim'S Scepter 0.680118 0.374228
Satanic 0.820754 0.879472
Magic Wand 0.146937 -1.854792
Monkey King Bar 0.189741 0.790311
Crystalys -0.281328 -0.992904
Silver Edge -0.095912 1.117234
Assault Cuirass -0.100097 0.924052
Phase Boots -0.327394 -1.230666
Swift Blink -0.205333 1.919681
Shadow Blade -0.562470 -0.339059
Overwhelming Blink -0.423540 1.919681
Boots Of Travel -0.461274 -0.636261
Heart Of Tarrasque -0.464441 0.909192
Bloodthorn -0.490364 1.741359
Blade Mail -0.586246 -0.874023
Abyssal Blade -0.523901 1.637339
Boots Of Bearing -0.531698 0.418808
Moon Shard -0.532068 0.255347
Pipe Of Insight -0.570471 -0.116157
Skull Basher -0.603133 -0.413359
Arcane Boots -0.605327 -1.349547
Solar Crest -0.590174 -0.680842
Vladmir'S Offering -0.591379 -0.665981
Linken'S Sphere -0.594507 0.611990
Tranquil Boots -0.638929 -1.572449
Orchid Malevolence -0.642279 -0.056716
Armlet Of Mordiggian -0.635263 -0.651121
Nullifier -0.629461 0.686290
Drum Of Endurance -0.644233 -1.111785
Crimson Guard -0.624380 0.091885
Butterfly -0.624439 0.834892
Heaven'S Halberd -0.644773 -0.012136
Glimmer Cape -0.645314 -0.844303
Guardian Greaves -0.639748 0.879472
Revenant'S Brooch -0.648864 1.563038
Lotus Orb -0.647930 0.166186
Desolator -0.649524 -0.041856
Boots Of Travel 2 -0.648259 0.552549