There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Radiance 3.807004 0.781563
Black King Bar 2.366034 0.213692
Blink Dagger 1.989058 -0.808475
Phase Boots 1.742384 -1.234378
Sange And Yasha 1.570168 0.242086
Soul Ring 1.083896 -1.629048
Bloodthorn 1.543674 1.604975
Assault Cuirass 1.268846 0.824153
Aghanim'S Shard 0.929785 -1.291165
Power Treads 0.431021 -1.291165
Boots Of Travel 0.191521 -0.666507
Abyssal Blade 0.238892 1.505598
Manta Style 0.086939 0.526021
Swift Blink 0.160793 1.775336
Magic Wand -0.148810 -1.830642
Bracer -0.276973 -1.799409
Orchid Malevolence -0.436208 -0.112833
Skull Basher -0.371223 -0.453556
Overwhelming Blink -0.223215 1.775336
Silver Edge -0.378905 1.008711
Monkey King Bar -0.415198 0.696382
Arcane Boots -0.418878 -1.347952
Nullifier -0.498294 0.597005
Aghanim'S Scepter -0.494097 0.298873
Mjollnir -0.556241 1.037104
Heart Of Tarrasque -0.526588 0.809956
Bottle -0.595414 -1.702871
Butterfly -0.543349 0.738972
Moon Shard -0.534902 0.185299
Shadow Blade -0.654162 -0.382572
Hand Of Midas -0.627475 -0.836868
Linken'S Sphere -0.593929 0.526021
Eye Of Skadi -0.588560 0.923530
Blade Mail -0.652469 -0.893655
Boots Of Travel 2 -0.591808 0.469234
Solar Crest -0.641369 -0.709097
Octarine Core -0.626256 0.526021
Tranquil Boots -0.660909 -1.560903
Battle Fury -0.669019 0.259122
Shiva'S Guard -0.645576 0.667989
Pipe Of Insight -0.653412 -0.169620
Lotus Orb -0.668525 0.100118
Glimmer Cape -0.682032 -0.865262
Daedalus -0.678224 0.809956
Satanic -0.681288 0.781563
Desolator -0.676703 -0.098637