There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 3.031250 -1.216416
Black King Bar 2.611063 0.378427
Aghanim'S Shard 2.696853 -1.216416
Harpoon 2.605205 0.649249
Assault Cuirass 2.520879 1.025391
Bracer 1.404369 -1.755051
Helm Of The Overlord 1.298494 1.792721
Vladmir'S Offering 1.209869 -0.584497
Magic Wand 0.771668 -1.788152
Manta Style 0.799039 0.709432
Wraith Band 0.439306 -1.755051
Echo Sabre -0.179171 -0.554406
Aghanim'S Scepter 0.166010 0.468701
Nullifier 0.108142 0.784660
Bloodthorn 0.087761 1.852904
Skull Basher -0.090692 -0.328720
Orchid Malevolence -0.146898 0.032376
Desolator -0.082445 0.047422
Boots Of Bearing -0.214723 0.513838
Abyssal Blade -0.226938 1.747584
Monkey King Bar -0.333687 0.889980
Hand Of Midas -0.365324 -0.734954
Sange And Yasha -0.319339 0.408518
Silver Edge -0.378653 1.220985
Boots Of Travel -0.411280 -0.554406
Satanic -0.355016 0.980254
Phase Boots -0.495620 -1.156233
Drum Of Endurance -0.481164 -1.035868
Eye Of Skadi -0.421041 1.130711
Scythe Of Vyse -0.463733 1.281168
Helm Of The Dominator -0.581755 -0.479177
Armlet Of Mordiggian -0.540862 -0.569451
Linken'S Sphere -0.481779 0.709432
Mask Of Madness -0.575667 -0.990731
Blade Mail -0.612915 -0.795137
Shadow Blade -0.617185 -0.253492
Diffusal Blade -0.592020 -0.554406
Orb Of Corrosion -0.585071 -1.502284
Butterfly -0.540480 0.935117
Null Talisman -0.608166 -1.755051
Pipe Of Insight -0.598899 -0.027807
Heaven'S Halberd -0.623945 0.077513
Blink Dagger -0.620051 -0.704863
Heart Of Tarrasque -0.625554 1.010346
Battle Fury -0.651429 0.426573
Daedalus -0.634820 1.010346
Tranquil Boots -0.668638 -1.502284
Octarine Core -0.650390 0.709432
Moon Shard -0.650880 0.348335
Meteor Hammer -0.627828 -0.614588
Crystalys -0.674358 -0.915502
Crimson Guard -0.675183 0.182833
Disperser -0.670302 1.371442
Boots Of Travel 2 -0.676010 0.649249