There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Blink Dagger 4.262796 -0.686794
Power Treads 2.293275 -1.139259
Aghanim'S Shard 2.415340 -1.139259
Harpoon 1.681140 0.510905
Black King Bar 1.479779 0.271365
Magic Wand 1.182086 -1.644954
Bracer 1.070534 -1.615677
Arcane Boots 0.891655 -1.192490
Aghanim'S Scepter 0.853163 0.351212
Force Staff 0.211359 -0.713410
Aether Lens 0.218965 -0.673487
Refresher Orb 0.120464 0.777061
Bottle -0.152021 -1.525184
Null Talisman -0.200656 -1.615677
Echo Sabre -0.392483 -0.553717
Wraith Band -0.293518 -1.615677
Daedalus -0.180377 0.830292
Eul'S Scepter Of Divinity -0.283772 -0.487178
Linken'S Sphere -0.267896 0.564136
Octarine Core -0.341958 0.564136
Yasha And Kaya -0.415099 0.297981
Shadow Blade -0.495076 -0.287561
Manta Style -0.457464 0.564136
Pipe Of Insight -0.473493 -0.087945
Assault Cuirass -0.437641 0.843600
Crystalys -0.525041 -0.873103
Silver Edge -0.491130 1.016601
Boots Of Travel -0.463894 -0.553717
Guardian Greaves -0.494012 0.803676
Shiva'S Guard -0.505356 0.697214
Mask Of Madness -0.565162 -0.939642
Lotus Orb -0.535533 0.164903
Sange And Yasha -0.542567 0.297981
Orchid Malevolence -0.565088 -0.034713
Tranquil Boots -0.575580 -1.392106
Monkey King Bar -0.580668 0.723830
Satanic -0.562062 0.803676
Swift Blink -0.564541 1.735220
Blade Mail -0.598119 -0.766641
Overwhelming Blink -0.569604 1.735220
Scythe Of Vyse -0.581205 1.069832
Glimmer Cape -0.598761 -0.740025
Wind Waker -0.585552 1.748528
Ethereal Blade -0.592403 0.590752
Arcane Blink -0.587746 1.735220
Heaven'S Halberd -0.608240 0.005210
Bloodthorn -0.596838 1.575527