There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 3.927938 -1.181274
Bracer 2.225072 -1.687406
Blink Dagger 2.380890 -0.700590
Black King Bar 2.261649 0.317328
Mage Slayer 1.177880 -0.559213
Aghanim'S Scepter 1.504447 0.402155
Assault Cuirass 0.739532 0.925252
Magic Wand 0.247807 -1.718509
Aghanim'S Shard 0.396194 -1.181274
Manta Style 0.265986 0.628359
Orchid Malevolence -0.071547 -0.007840
Sange And Yasha 0.085528 0.345604
Mjollnir 0.010452 1.137319
Daedalus 0.062059 0.911114
Bloodthorn 0.033810 1.702829
Soul Ring -0.327788 -1.517753
Hand Of Midas -0.352420 -0.728866
Silver Edge -0.287986 1.109043
Armlet Of Mordiggian -0.372508 -0.573350
Blade Mail -0.450103 -0.785417
Satanic -0.351796 0.882839
Crystalys -0.459933 -0.898519
Monkey King Bar -0.434976 0.798012
Shadow Blade -0.512631 -0.276458
Maelstrom -0.548091 -0.446111
Hurricane Pike -0.481425 0.543533
Heaven'S Halberd -0.527683 0.034573
Overwhelming Blink -0.491310 1.872482
Heart Of Tarrasque -0.515481 0.911114
Eye Of Skadi -0.545089 1.024217
Bottle -0.590089 -1.591269
Boots Of Travel -0.563484 -0.559213
Eternal Shroud -0.598422 -0.219906
Dragon Lance -0.613151 -0.898519
Radiance -0.596987 0.882839
Mask Of Madness -0.621645 -0.969208
Phase Boots -0.621544 -1.124723
Orb Of Corrosion -0.618320 -1.449892
Linken'S Sphere -0.617682 0.628359
Moon Shard -0.610286 0.289053
Gleipnir -0.626109 1.222145
Pipe Of Insight -0.635203 -0.064391
Nullifier -0.637288 0.699048
Swift Blink -0.638267 1.872482