There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Aghanim'S Scepter 3.504000 0.470073
Diffusal Blade 2.882188 -0.490720
Blink Dagger 2.690372 -0.632013
Aghanim'S Shard 2.068281 -1.112409
Power Treads 1.755113 -1.112409
Magic Wand 0.989697 -1.649323
Arcane Boots 1.023999 -1.168926
Skull Basher 1.303660 -0.278780
Bottle 0.961292 -1.522159
Bracer 0.228072 -1.618238
Octarine Core 0.355865 0.696142
Abyssal Blade -0.017587 1.671065
Disperser -0.167046 1.317832
Linken'S Sphere -0.218637 0.696142
Maelstrom -0.418953 -0.377685
Eul'S Scepter Of Divinity -0.341628 -0.420073
Orb Of Corrosion -0.409262 -1.380866
Shiva'S Guard -0.316124 0.837436
Pipe Of Insight -0.382562 0.003806
Lotus Orb -0.403866 0.272263
Null Talisman -0.446949 -1.618238
Guardian Greaves -0.375544 0.950470
Black King Bar -0.441785 0.385298
Gleipnir -0.424848 1.289573
Desolator -0.399290 0.074453
Harpoon -0.421894 0.639625
Manta Style -0.435218 0.696142
Overwhelming Blink -0.400828 1.939522
Assault Cuirass -0.403562 0.992858
Mage Slayer -0.496801 -0.490720
Boots Of Travel -0.447824 -0.490720
Wraith Band -0.544446 -1.618238
Echo Sabre -0.546935 -0.490720
Monkey King Bar -0.520503 0.865694
Refresher Orb -0.503573 0.922211
Eye Of Skadi -0.508199 1.091763
Crimson Guard -0.556530 0.201617
Spirit Vessel -0.573526 -0.332471
Wind Waker -0.557215 1.953651
Phase Boots -0.595488 -1.055892
Vanguard -0.615143 -0.942857
Veil Of Discord -0.617401 -1.041763
Blade Mail -0.618233 -0.716789
Meteor Hammer -0.559025 -0.547237
Orchid Malevolence -0.612882 0.060324
Heaven'S Halberd -0.617824 0.102711
Daedalus -0.607331 0.978729
Nullifier -0.618208 0.766789
Scythe Of Vyse -0.619870 1.233056