There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Blade Mail 2.853380 -0.763350
Blink Dagger 2.426071 -0.673726
Phase Boots 1.923961 -1.121848
Black King Bar 1.490382 0.401768
Aghanim'S Shard 1.570319 -1.181598
Aghanim'S Scepter 1.056580 0.491393
Bracer 0.468079 -1.716357
Magic Wand -0.148843 -1.749220
Vanguard -0.187234 -1.002349
Bloodstone 0.067782 0.610892
Heart Of Tarrasque 0.002538 1.029140
Crimson Guard -0.191994 0.207582
Boots Of Travel -0.297141 -0.524351
Eternal Shroud -0.368773 -0.165853
Overwhelming Blink -0.336942 2.044884
Pipe Of Insight -0.430462 -0.001542
Lotus Orb -0.490716 0.282269
Shiva'S Guard -0.469890 0.879766
Kaya And Sange -0.562572 0.431643
Tranquil Boots -0.683572 -1.465409
Assault Cuirass -0.653183 1.044077
Power Treads -0.692536 -1.181598
Octarine Core -0.675667 0.730391
Veil Of Discord -0.709656 -1.106911
Heaven'S Halberd -0.714323 0.103020
Refresher Orb -0.703625 0.969390
Linken'S Sphere -0.704171 0.730391
Boots Of Travel 2 -0.704305 0.670642
Arcane Blink -0.701920 2.044884
Eul'S Scepter Of Divinity -0.717735 -0.449664
Sange And Yasha -0.713832 0.431643