There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 3.754243 -1.200613
Sange And Yasha 2.508576 0.281528
Black King Bar 2.237754 0.254081
Armlet Of Mordiggian 1.424796 -0.610501
Daedalus 1.626906 0.830470
Mask Of Madness 1.001614 -0.994760
Bracer 0.736273 -1.691915
Blink Dagger 0.844968 -0.734013
Aghanim'S Scepter 0.588588 0.336423
Magic Wand 0.122272 -1.722107
Satanic 0.329746 0.803023
Aghanim'S Shard 0.045384 -1.200613
Silver Edge 0.031809 1.022599
Assault Cuirass 0.148549 0.844193
Monkey King Bar -0.043187 0.720681
Crystalys -0.351856 -0.926142
Mage Slayer -0.252261 -0.596777
Bloodthorn -0.221867 1.598987
Soul Ring -0.466382 -1.527233
Mjollnir -0.393931 1.050046
Shadow Blade -0.539473 -0.322307
Orchid Malevolence -0.555770 -0.061560
Manta Style -0.512441 0.555999
Blade Mail -0.583340 -0.816354
Swift Blink -0.506402 1.763670
Hand Of Midas -0.606521 -0.761460
Hurricane Pike -0.570345 0.473658
Maelstrom -0.654514 -0.486989
Overwhelming Blink -0.600192 1.763670
Eye Of Skadi -0.623921 0.940258
Boots Of Travel -0.620050 -0.596777
Heaven'S Halberd -0.655267 -0.020389
Moon Shard -0.618319 0.226634
Nullifier -0.657324 0.624617
Heart Of Tarrasque -0.640889 0.830470
Linken'S Sphere -0.664263 0.555999
Revenant'S Brooch -0.658741 1.434305
Bottle -0.683303 -1.598595
Phase Boots -0.686704 -1.145719
Butterfly -0.664923 0.761852
Orb Of Corrosion -0.685454 -1.461360
Radiance -0.683838 0.803023