There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Blink Dagger 3.251310 -0.517421
Bloodstone 2.770567 0.684746
Bracer 1.146355 -1.493133
Aghanim'S Shard 1.742579 -0.992696
Aghanim'S Scepter 1.756266 0.572916
Phase Boots 1.178535 -0.936782
Shiva'S Guard 1.621456 0.936362
Arcane Boots 0.809675 -1.048611
Magic Wand 0.595416 -1.523886
Eul'S Scepter Of Divinity 0.613025 -0.307741
Black King Bar 0.048148 0.489044
Boots Of Travel -0.173855 -0.377634
Veil Of Discord -0.403310 -0.922803
Pipe Of Insight -0.245492 0.111620
Wind Waker -0.194869 2.040678
Bottle -0.362235 -1.398078
Overwhelming Blink -0.386482 2.026700
Eternal Shroud -0.442969 -0.042146
Radiance -0.483668 1.048192
Lotus Orb -0.513513 0.377215
Null Talisman -0.565716 -1.493133
Heart Of Tarrasque -0.501932 1.076149
Daedalus -0.529451 1.076149
Blade Mail -0.602596 -0.601293
Kaya And Sange -0.571669 0.517002
Octarine Core -0.570846 0.796575
Tranquil Boots -0.623472 -1.258291
Guardian Greaves -0.585128 1.048192
Linken'S Sphere -0.598442 0.796575
Crimson Guard -0.611581 0.307321
Refresher Orb -0.616957 1.020234
Power Treads -0.648611 -0.992696
Soul Ring -0.655056 -1.325389
Scythe Of Vyse -0.637129 1.327765
Crystalys -0.652642 -0.713123
Vanguard -0.672068 -0.824952
Aether Lens -0.671937 -0.503442
Force Staff -0.678289 -0.545378
Boots Of Travel 2 -0.662908 0.740661
Ethereal Blade -0.670510 0.824533