There is no correlation between Cost and Pick Rate and there are no clusters. The values are standardized.
Cost Pick Rate
Abyssal Blade 1.583913 -0.252220
Aeon Disk -0.281212 -0.279841
Aether Lens -0.687894 0.824967
Aghanim'S Blessing 1.289420 -0.697596
Aghanim'S Scepter 0.391916 3.954679
Aghanim'S Shard -1.178717 5.351225
Arcane Blink 1.850360 -0.656166
Arcane Boots -1.234811 1.265164
Armlet Of Mordiggian -0.575706 -0.435204
Assault Cuirass 0.910785 -0.160728
Battle Fury 0.352650 0.055054
Black King Bar 0.307775 2.369971
Blade Mail -0.786059 0.540134
Blink Dagger -0.701918 2.423485
Bloodstone 0.504104 -0.537054
Bloodthorn 1.682078 -0.469729
Boots Of Bearing 0.433986 -0.512886
Boots Of Travel -0.561683 0.507335
Boots Of Travel 2 0.560198 -0.594020
Bottle -1.585398 0.236312
Bracer -1.680758 0.802525
Butterfly 0.826644 -0.124477
Crimson Guard 0.125469 -0.409310
Crystalys -0.870200 -0.338533
Daedalus 0.924809 0.072317
Dagon -0.365354 -0.664797
Dagon (2) 0.279728 -0.676881
Dagon (3) 0.924809 -0.675154
Dagon (4) 1.569890 -0.676881
Dagon (5) 2.214971 -0.559495
Desolator -0.000742 0.369234
Diffusal Blade -0.561683 -0.222874
Disperser 1.233326 -0.616462
Dragon Lance -0.898247 -0.274662
Drum Of Endurance -1.010435 -0.631998
Echo Sabre -0.561683 -0.160728
Eternal Shroud -0.225118 -0.581936
Ethereal Blade 0.644339 -0.286746
Eul'S Scepter Of Divinity -0.435471 -0.164181
Eye Of Skadi 1.008950 -0.119298
Falcon Blade -1.332975 -0.468003
Force Staff -0.729965 0.507335
Gleipnir 1.485749 -0.347165
Glimmer Cape -0.758012 0.305362
Guardian Greaves 0.868715 -0.196980
Hand Of Midas -0.729965 0.274289
Harpoon 0.560198 -0.283293
Heart Of Tarrasque 0.840668 0.168987
Heaven'S Halberd 0.027305 -0.305734
Helm Of The Dominator -0.491565 -0.692417
Helm Of The Overlord 1.625984 -0.678607
Holy Locket -0.617777 -0.611283
Hurricane Pike 0.532151 0.163809
Kaya And Sange 0.335822 -0.233231
Linken'S Sphere 0.616292 -0.108941
Lotus Orb 0.195587 -0.276388
Maelstrom -0.449495 -0.164181
Mage Slayer -0.561683 -0.640629
Magic Wand -1.711610 3.309057
Manta Style 0.616292 0.345066
Mask Of Madness -0.968364 -0.274662
Medallion Of Courage -1.389069 -0.652713
Mekansm -0.968364 -0.561221
Meteor Hammer -0.617777 -0.500802
Mjollnir 1.121138 -0.228053
Monkey King Bar 0.826644 -0.012270
Moon Shard 0.279728 -0.507707
Null Talisman -1.680758 0.099937
Nullifier 0.686409 -0.488718
Octarine Core 0.616292 -0.160728
Orb Of Corrosion -1.445163 -0.402405
Orchid Malevolence -0.014766 -0.374785
Overwhelming Blink 1.850360 -0.442109
Pavise -1.178717 -0.623367
Phase Boots -1.122623 1.453326
Phylactery -0.631800 -0.442109
Pipe Of Insight -0.070860 -0.326450
Power Treads -1.178717 3.542103
Radiance 0.868715 -0.291924
Refresher Orb 0.840668 -0.343712
Revenant'S Brooch 1.513796 -0.635450
Rod Of Atos -0.421448 -0.376511
Sange And Yasha 0.335822 -0.360975
Satanic 0.868715 -0.174539
Scythe Of Vyse 1.149185 -0.159002
Shadow Blade -0.281212 -0.310913
Shiva'S Guard 0.756527 -0.371332
Silver Edge 1.008950 0.360603
Skull Basher -0.351330 -0.188349
Solar Crest -0.603753 -0.338533
Soul Ring -1.484429 -0.328176
Spirit Vessel -0.292431 -0.055427
Swift Blink 1.850360 -0.568126
Tranquil Boots -1.445163 0.629899
Urn Of Shadows -1.470406 -0.497350
Vanguard -1.010435 -0.198706
Veil Of Discord -1.108599 -0.583663
Vladmir'S Offering -0.589730 -0.642355
Wind Waker 1.864384 -0.573305
Witch Blade -0.505589 -0.364427
Wraith Band -1.680758 0.830146
Yasha And Kaya 0.335822 -0.614735