There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Phase Boots 3.035545 -1.160226
Radiance 2.712458 0.732092
Black King Bar 2.448486 0.199045
Aghanim'S Scepter 2.698695 0.279002
Aghanim'S Shard 1.698323 -1.213531
Sange And Yasha 1.751734 0.225697
Magic Wand 0.407697 -1.719926
Wraith Band 0.309456 -1.690608
Bloodstone 0.256143 0.385611
Null Talisman -0.047326 -1.690608
Blade Mail -0.103403 -0.840398
Eternal Shroud 0.065170 -0.307350
Mjollnir -0.077425 0.971964
Skull Basher -0.238071 -0.427286
Abyssal Blade -0.177832 1.411728
Maelstrom -0.424913 -0.520569
Power Treads -0.321383 -1.213531
Shiva'S Guard -0.228205 0.625483
Monkey King Bar -0.365254 0.652135
Butterfly -0.345803 0.692114
Linken'S Sphere -0.407286 0.492221
Kaya And Sange -0.449067 0.225697
Boots Of Travel -0.455907 -0.627179
Eye Of Skadi -0.475573 0.865354
Silver Edge -0.512930 0.945311
Refresher Orb -0.493015 0.705440
Gleipnir -0.516619 1.051921
Satanic -0.508655 0.732092
Manta Style -0.529686 0.492221
Nullifier -0.542673 0.558852
Bloodthorn -0.556891 1.505011
Soul Ring -0.576453 -1.530694
Bracer -0.582620 -1.690608
Shadow Blade -0.591847 -0.360655
Orb Of Corrosion -0.581501 -1.466728
Boots Of Travel 2 -0.575162 0.438916
Heart Of Tarrasque -0.569677 0.758745
Dagon -0.579909 -0.440612
Veil Of Discord -0.588419 -1.146900
Eul'S Scepter Of Divinity -0.592759 -0.560548
Disperser -0.593355 1.078573
Swift Blink -0.588765 1.664925
Blink Dagger -0.593079 -0.760441
Wind Waker -0.592247 1.678251