There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Aghanim'S Shard 3.267604 -0.989588
Tranquil Boots 2.244650 -1.292465
Glimmer Cape 2.350292 -0.511363
Magic Wand 1.442472 -1.595341
Blink Dagger 0.923889 -0.447600
Aghanim'S Scepter 0.997841 0.795786
Force Staff 0.656059 -0.479481
Aether Lens 0.475000 -0.431659
Aeon Disk 0.201263 0.030626
Arcane Boots -0.100915 -1.053352
Boots Of Bearing -0.150027 0.843609
Solar Crest -0.243121 -0.336014
Eul'S Scepter Of Divinity -0.401692 -0.208487
Refresher Orb -0.397687 1.305893
Ethereal Blade -0.475290 1.082722
Lotus Orb -0.488216 0.572615
Null Talisman -0.567177 -1.560271
Bracer -0.572374 -1.560271
Drum Of Endurance -0.572917 -0.798298
Guardian Greaves -0.560985 1.337775
Scythe Of Vyse -0.584537 1.656592
Pipe Of Insight -0.586345 0.269738
Hand Of Midas -0.612569 -0.479481
Rod Of Atos -0.609224 -0.447600
Octarine Core -0.591425 1.050840
Mekansm -0.617167 -0.750476
Linken'S Sphere -0.603215 1.050840
Boots Of Travel -0.597077 -0.288191
Spirit Vessel -0.636421 -0.109654
Phylactery -0.634585 -0.367895
Shadow Blade -0.652234 0.030626
Wind Waker -0.651804 2.469575
Shiva'S Guard -0.652064 1.210248