There is no correlation between Wins and Cost and there are no clusters. The values are standardized.
Wins Cost
Gleipnir 2.945075 1.443923
Power Treads 2.344924 -1.046967
Black King Bar 2.472270 0.506176
Bracer 1.771702 -1.571520
Aghanim'S Scepter 2.315511 0.594089
Maelstrom 1.076600 -0.285048
Magic Wand 1.397381 -1.603755
Daedalus 1.530128 1.121572
Aghanim'S Shard 1.137244 -1.046967
Null Talisman 0.413805 -1.571520
Arcane Boots 0.284824 -1.105577
Crystalys 0.061910 -0.753922
Phase Boots 0.120074 -0.988358
Bottle 0.015853 -1.471884
Monkey King Bar 0.241680 1.004354
Linken'S Sphere 0.281436 0.828526
Blink Dagger 0.082013 -0.548789
Wraith Band -0.301831 -1.571520
Diffusal Blade -0.292710 -0.402267
Orchid Malevolence -0.318699 0.169173
Boots Of Travel -0.093843 -0.402267
Desolator -0.363336 0.183825
Dragon Lance -0.427682 -0.753922
Bloodthorn -0.360655 1.942101
Force Staff -0.554227 -0.578094
Satanic -0.414134 1.092268
Hurricane Pike -0.462532 0.740612
Mjollnir -0.565310 1.356009
Eul'S Scepter Of Divinity -0.670523 -0.329005
Tranquil Boots -0.686430 -1.325361
Nullifier -0.640681 0.901788
Rod Of Atos -0.712754 -0.548789
Manta Style -0.664351 0.828526
Scythe Of Vyse -0.668427 1.385313
Eye Of Skadi -0.664213 1.238790
Disperser -0.690509 1.473227
Guardian Greaves -0.697284 1.092268
Spirit Vessel -0.725713 -0.238161
Glimmer Cape -0.735458 -0.607399
Falcon Blade -0.752104 -1.208143
Witch Blade -0.748841 -0.343657
Lotus Orb -0.740591 0.388957
Hand Of Midas -0.765570 -0.578094
Octarine Core -0.737556 0.828526
Solar Crest -0.759183 -0.446223
Boots Of Travel 2 -0.750270 0.769917
Pipe Of Insight -0.760717 0.110564
Silver Edge -0.766296 1.326704