There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 3.630991 -1.222566
Black King Bar 2.251974 0.286775
Sange And Yasha 2.161794 0.315253
Armlet Of Mordiggian 1.587982 -0.610286
Daedalus 1.791554 0.884815
Bracer 0.678336 -1.732324
Mask Of Madness 0.836395 -1.008980
Blink Dagger 0.812140 -0.738438
Magic Wand 0.102858 -1.763650
Aghanim'S Scepter 0.483897 0.372209
Satanic 0.244949 0.856337
Aghanim'S Shard 0.110955 -1.222566
Assault Cuirass 0.265425 0.899054
Silver Edge 0.042940 1.084162
Monkey King Bar -0.122258 0.770903
Crystalys -0.383376 -0.937784
Bloodthorn -0.321682 1.682203
Soul Ring -0.486286 -1.561455
Shadow Blade -0.539153 -0.311266
Mage Slayer -0.458157 -0.596047
Manta Style -0.486864 0.600034
Blade Mail -0.567865 -0.823872
Orchid Malevolence -0.581669 -0.040724
Swift Blink -0.509244 1.853071
Hand Of Midas -0.617859 -0.766916
Mjollnir -0.601366 1.112640
Overwhelming Blink -0.603613 1.853071
Hurricane Pike -0.635768 0.514600
Heaven'S Halberd -0.659299 0.001993
Boots Of Travel -0.635640 -0.596047
Eye Of Skadi -0.644152 0.998728
Moon Shard -0.629641 0.258297
Heart Of Tarrasque -0.645412 0.884815
Maelstrom -0.704496 -0.482135
Nullifier -0.679574 0.671229
Linken'S Sphere -0.687273 0.600034
Phase Boots -0.703993 -1.165609
Bottle -0.706321 -1.635498
Butterfly -0.684709 0.813620
Pipe Of Insight -0.706518 -0.097680