There is no correlation between Duration and Pick Rate and there are no clusters. The values are standardized.
Duration Pick Rate
Abaddon -0.906268 -0.844153
Alchemist -0.558111 -0.933861
Ancient Apparition 2.053064 -0.106753
Anti-Mage 0.022150 0.496086
Arc Warden 0.370306 -0.919508
Axe 0.969910 1.446992
Bane 0.157544 -0.953597
Batrider -0.306665 -1.283723
Beastmaster -2.028106 -1.136602
Bloodseeker 1.163330 -0.487115
Bounty Hunter -0.442059 -0.036780
Brewmaster -0.809558 -0.941038
Bristleback 0.757147 0.479938
Broodmother -3.207971 -1.301665
Centaur Warrunner 0.118860 -0.503263
Chaos Knight -0.809558 -0.259256
Chen -2.550341 -1.305253
Clinkz -0.267981 -0.264639
Clockwerk 0.428333 -0.768799
Crystal Maiden 0.312280 0.621677
Dark Seer 0.234912 -1.018187
Dark Willow 0.931226 -0.252080
Dawnbreaker -0.674164 0.447643
Dazzle -0.577453 0.278992
Death Prophet 0.041492 -0.993069
Disruptor 0.234912 -0.244903
Doom 0.718463 -0.835183
Dragon Knight -0.055218 -0.616295
Drow Ranger 1.143988 0.998451
Earth Spirit -0.577453 -0.352553
Earthshaker 0.873199 2.146715
Elder Titan 1.163330 -1.220927
Ember Spirit -0.016534 -0.343582
Enchantress 0.544385 -0.985892
Enigma 0.583069 -0.944626
Faceless Void 1.027936 0.933861
Grimstroke 0.118860 -0.271816
Gyrocopter -0.422717 1.127631
Hoodwink 1.105304 -0.155195
Huskar -1.351135 -0.347170
Invoker 0.621753 1.974476
Io -2.975866 -0.822623
Jakiro 0.583069 1.068424
Juggernaut -0.403375 1.237075
Keeper of the Light 0.234912 -1.009216
Kunkka 0.931226 -0.201843
Legion Commander -0.345349 2.248982
Leshrac -0.229297 -1.174279
Lich 0.834515 0.350759
Lifestealer -0.480743 -0.359730
Lina 0.718463 0.659355
Lion 0.525043 1.967299
Lone Druid -3.072576 -0.966156
Luna -0.654822 -0.774181
Lycan -2.453631 -1.280135
Magnus -0.209955 -0.560676
Marci -1.583239 -0.609118
Mars -0.074560 -0.652178
Medusa 1.820959 -0.781358
Meepo -2.975866 -1.122249
Mirana 0.408991 0.454820
Monkey King -0.267981 0.304111
Morphling -1.389819 -0.655766
Muerta 1.105304 -0.551705
Naga Siren -0.538769 -0.941038
Nature's Prophet -0.209955 2.317161
Necrophos -0.229297 1.118660
Night Stalker -0.538769 -0.449438
Nyx Assassin 0.679779 -0.212608
Ogre Magi 0.254254 0.950009
Omniknight -0.616138 -0.874654
Oracle -1.177057 -0.731121
Outworld Destroyer -0.074560 0.103164
Pangolier 0.022150 -0.621677
Phantom Assassin -0.461401 3.162211
Phantom Lancer 0.757147 0.078046
Phoenix 0.254254 -0.793917
Primal Beast -0.035876 -0.243109
Puck -0.074560 -0.530175
Pudge -0.055218 3.587427
Pugna 0.118860 -0.689855
Queen of Pain 0.602411 0.361524
Razor 0.467017 -0.130077
Riki 0.950568 0.207226
Rubick 0.583069 1.280135
Sand King 1.260040 -0.338200
Shadow Demon 0.602411 -1.104307
Shadow Fiend -0.944952 1.145573
Shadow Shaman 0.157544 0.930273
Silencer 0.679779 0.950009
Skywrath Mage 0.563727 0.713180
Slardar -0.229297 0.490703
Slark -0.113245 1.294488
Snapfire 0.312280 -0.187490
Sniper 1.530829 2.030095
Spectre 1.318066 0.467379
Spirit Breaker -0.035876 1.046894
Storm Spirit 0.234912 -0.244903
Sven -0.055218 0.370495
Techies 1.898327 -0.212608
Templar Assassin -0.944952 -0.433290
Terrorblade -0.248639 -0.953597
Tidehunter -0.209955 -0.289757
Timbersaw 0.041492 -0.844153
Tinker 0.718463 -0.261051
Tiny -0.055218 -0.836977
Treant Protector -0.732190 -0.176725
Troll Warlord -0.693506 -0.273610
Tusk -0.403375 -0.566058
Underlord 0.215570 -0.975127
Undying -0.074560 0.180313
Ursa 0.292938 0.092399
Vengeful Spirit -0.809558 0.761622
Venomancer 0.679779 0.153401
Viper 1.530829 -0.018839
Visage -2.202185 -1.265781
Void Spirit -0.364691 -0.176725
Warlock 0.196228 0.838771
Weaver 0.892541 -0.492498
Windranger 1.008594 0.426114
Winter Wyvern 0.950568 -1.016393
Witch Doctor 0.911884 2.902057
Wraith King -0.442059 1.089954
Zeus 1.704907 0.741886