There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Blink Dagger 4.150121 -0.679337
Aghanim'S Shard 2.700636 -1.126962
Power Treads 2.283804 -1.126962
Black King Bar 1.437119 0.268575
Harpoon 1.496560 0.505553
Magic Wand 1.149177 -1.627249
Bracer 0.961782 -1.598285
Arcane Boots 0.783042 -1.179624
Aghanim'S Scepter 0.719308 0.347568
Force Staff 0.184713 -0.705668
Aether Lens 0.131147 -0.666171
Refresher Orb 0.149725 0.768862
Null Talisman -0.090900 -1.598285
Bottle -0.155643 -1.508760
Yasha And Kaya -0.039771 0.294906
Echo Sabre -0.418304 -0.547682
Daedalus -0.241170 0.821524
Eul'S Scepter Of Divinity -0.295761 -0.481855
Wraith Band -0.367725 -1.598285
Linken'S Sphere -0.241381 0.558215
Octarine Core -0.323343 0.558215
Shadow Blade -0.518578 -0.284374
Manta Style -0.481398 0.558215
Boots Of Travel -0.461817 -0.547682
Crystalys -0.547304 -0.863653
Assault Cuirass -0.476008 0.834689
Pipe Of Insight -0.509880 -0.086892
Silver Edge -0.519674 1.005840
Shiva'S Guard -0.523216 0.689869
Guardian Greaves -0.523982 0.795193
Lotus Orb -0.551280 0.163252
Sange And Yasha -0.542337 0.294906
Mask Of Madness -0.595356 -0.929480
Orchid Malevolence -0.581655 -0.034230
Tranquil Boots -0.595626 -1.377105
Monkey King Bar -0.595020 0.716200
Overwhelming Blink -0.579290 1.716774
Scythe Of Vyse -0.593881 1.058502
Swift Blink -0.581787 1.716774
Satanic -0.583352 0.795193
Blade Mail -0.614897 -0.758330
Wind Waker -0.590384 1.729939
Glimmer Cape -0.610291 -0.731999
Ethereal Blade -0.598225 0.584546
Arcane Blink -0.592219 1.716774
Bloodthorn -0.605678 1.558789