There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Power Treads 3.081022 -1.065596
Soul Ring 2.241279 -1.394408
Black King Bar 2.343243 0.398861
Bloodthorn 2.056144 1.752793
Bracer 1.344848 -1.560195
Aghanim'S Shard 1.535696 -1.065596
Wraith Band 0.625766 -1.560195
Orchid Malevolence 0.217232 0.081101
Manta Style 0.297316 0.702805
Harpoon 0.193643 0.647542
Magic Wand -0.096485 -1.590590
Sange And Yasha -0.058819 0.426492
Butterfly -0.194371 0.910039
Echo Sabre -0.456443 -0.457708
Linken'S Sphere -0.364280 0.702805
Eye Of Skadi -0.349859 1.089643
Nullifier -0.429374 0.771883
Scythe Of Vyse -0.446655 1.227799
Assault Cuirass -0.394524 0.992933
Orb Of Corrosion -0.518504 -1.328093
Diffusal Blade -0.553535 -0.457708
Boots Of Travel -0.532261 -0.457708
Monkey King Bar -0.573209 0.868592
Arcane Boots -0.589602 -1.120858
Skull Basher -0.596019 -0.250474
Meteor Hammer -0.476094 -0.512971
Desolator -0.578432 0.094917
Abyssal Blade -0.638319 1.656083
Phylactery -0.666370 -0.526786
Daedalus -0.649295 0.979117
Aghanim'S Scepter -0.672287 0.481755
Pipe Of Insight -0.677661 0.025839
Crystalys -0.687120 -0.789283
Disperser -0.669842 1.310693
Silver Edge -0.683518 1.172536
Null Talisman -0.692971 -1.560195
Blink Dagger -0.690341 -0.595864