There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Radiance 3.723924 0.750852
Black King Bar 2.481709 0.177224
Blink Dagger 1.932021 -0.855306
Phase Boots 1.649982 -1.285527
Assault Cuirass 1.969703 0.793874
Soul Ring 0.794717 -1.684198
Bloodthorn 1.180187 1.582613
Aghanim'S Shard 0.725578 -1.342890
Power Treads 0.417652 -1.342890
Sange And Yasha 0.491057 0.205906
Manta Style 0.217471 0.492720
Abyssal Blade 0.324505 1.482228
Boots Of Travel 0.103526 -0.711899
Bracer -0.260325 -1.856287
Magic Wand -0.223782 -1.887836
Swift Blink 0.006614 1.754701
Overwhelming Blink -0.095461 1.754701
Skull Basher -0.352005 -0.496788
Orchid Malevolence -0.462408 -0.152612
Silver Edge -0.411247 0.980303
Monkey King Bar -0.441720 0.664808
Nullifier -0.537513 0.564423
Mjollnir -0.569936 1.008985
Bottle -0.595958 -1.758770
Heart Of Tarrasque -0.538227 0.779534
Arcane Boots -0.584632 -1.400252
Butterfly -0.555806 0.707830
Aghanim'S Scepter -0.586060 0.263269
Shadow Blade -0.670482 -0.425085
Eye Of Skadi -0.593317 0.894259
Moon Shard -0.571717 0.148543
Hand Of Midas -0.667953 -0.883987
Linken'S Sphere -0.629369 0.492720
Blade Mail -0.670983 -0.941350
Boots Of Travel 2 -0.624286 0.435357
Octarine Core -0.626469 0.492720
Solar Crest -0.649277 -0.754921
Shiva'S Guard -0.655339 0.636127
Battle Fury -0.690820 0.223115
Pipe Of Insight -0.676261 -0.209974
Daedalus -0.692173 0.779534
Lotus Orb -0.696364 0.062499
Desolator -0.688755 -0.138271