There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Black King Bar 2.839323 0.203814
Phase Boots 2.247626 -1.186239
Battle Fury 2.267760 0.247423
Sange And Yasha 1.783577 0.231070
Aghanim'S Shard 1.808899 -1.240751
Wraith Band 1.090996 -1.728632
Satanic 0.913580 0.748932
Power Treads 0.430541 -1.240751
Magic Wand 0.109204 -1.758613
Skull Basher 0.303575 -0.436701
Monkey King Bar 0.134040 0.667165
Aghanim'S Scepter -0.111132 0.285582
Maelstrom -0.385996 -0.532096
Abyssal Blade -0.066234 1.443959
Mjollnir -0.162342 0.994236
Manta Style -0.273829 0.503629
Diffusal Blade -0.423048 -0.641120
Blink Dagger -0.391871 -0.777400
Silver Edge -0.383410 0.966980
Disperser -0.513946 1.103260
Shadow Blade -0.680939 -0.368561
Swift Blink -0.556510 1.702890
Linken'S Sphere -0.637068 0.503629
Butterfly -0.621999 0.708049
Eye Of Skadi -0.638245 0.885212
Boots Of Travel -0.637729 -0.641120
Daedalus -0.648941 0.776188
Nullifier -0.678417 0.571769
Mask Of Madness -0.724724 -1.036331
Gleipnir -0.699910 1.076004
Crystalys -0.769896 -0.968191
Orb Of Corrosion -0.785248 -1.499682
Null Talisman -0.789192 -1.728632
Refresher Orb -0.782776 0.721677
Desolator -0.777041 -0.096001
Bloodthorn -0.788676 1.539355