There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Phase Boots 3.651217 -1.031307
Bracer 2.839962 -1.634159
Black King Bar 2.516512 0.513691
Aghanim'S Shard 1.997133 -1.091895
Blink Dagger 1.591873 -0.576896
Harpoon 1.306768 0.786338
Magic Wand 0.744658 -1.667483
Echo Sabre 0.157077 -0.425425
Phylactery 0.042103 -0.501161
Skull Basher 0.115037 -0.198220
Assault Cuirass 0.207154 1.165014
Nullifier -0.133792 0.922661
Abyssal Blade -0.158046 1.892072
Heaven'S Halberd -0.260207 0.210750
Sange And Yasha -0.200753 0.543985
Blade Mail -0.354511 -0.667778
Power Treads -0.381570 -1.091895
Hand Of Midas -0.441533 -0.607190
Aghanim'S Scepter -0.376201 0.604574
Silver Edge -0.425830 1.361926
Monkey King Bar -0.452553 1.028691
Spirit Vessel -0.468814 -0.255778
Radiance -0.458231 1.119573
Orb Of Corrosion -0.492728 -1.379689
Vanguard -0.520593 -0.910131
Overwhelming Blink -0.485456 2.179866
Shadow Blade -0.533246 -0.122484
Crystalys -0.532081 -0.788954
Heart Of Tarrasque -0.490577 1.149867
Armlet Of Mordiggian -0.525786 -0.440572
Bottle -0.526387 -1.531159
Urn Of Shadows -0.543793 -1.406954
Lotus Orb -0.525134 0.392515
Mage Slayer -0.528887 -0.425425
Boots Of Travel -0.516662 -0.425425
Pipe Of Insight -0.527213 0.104721
Octarine Core -0.525272 0.846926
Satanic -0.533655 1.119573
Soul Ring -0.548973 -1.452395
Desolator -0.538866 0.180456
Daedalus -0.542805 1.149867
Linken'S Sphere -0.542997 0.846926
Shiva'S Guard -0.545411 0.998397
Meteor Hammer -0.530929 -0.486013