There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Blade Mail 2.831562 -0.851520
Blink Dagger 2.648684 -0.765243
Phase Boots 2.157365 -1.196628
Aghanim'S Shard 1.928281 -1.254146
Aghanim'S Scepter 1.420716 0.356358
Bracer 0.729865 -1.768932
Black King Bar 0.811571 0.270081
Magic Wand 0.168799 -1.800567
Assault Cuirass 0.247390 0.888399
Daedalus -0.035992 0.874020
Desolator -0.251672 -0.046268
Power Treads -0.360348 -1.254146
Crystalys -0.389743 -0.966556
Shadow Blade -0.416053 -0.333858
Monkey King Bar -0.367382 0.758984
Silver Edge -0.399605 1.075333
Boots Of Travel -0.400298 -0.621448
Heaven'S Halberd -0.470083 -0.017509
Harpoon -0.538462 0.528912
Overwhelming Blink -0.529291 1.851826
Sange And Yasha -0.544349 0.298840
Soul Ring -0.594700 -1.596378
Heart Of Tarrasque -0.585758 0.874020
Nullifier -0.612598 0.658327
Octarine Core -0.595870 0.586430
Orb Of Corrosion -0.649053 -1.527357
Linken'S Sphere -0.637585 0.586430
Refresher Orb -0.636340 0.816502
Moon Shard -0.642097 0.241322
Mjollnir -0.652566 1.104092
Orchid Malevolence -0.660637 -0.060648
Skull Basher -0.661508 -0.405756
Swift Blink -0.653963 1.851826
Satanic -0.658280 0.845261