The correlation between Tier and kda is 0.85. The more Tier, the more kda, and vice versa. But some values are higher than expected, some are lower. Efficiency is a difference between the value of kda depending on Tier (blue dots) with respect to the expected value (red line).
| Efficiency | |
|---|---|
| Ring Of Aquila | 0.3938 |
| Mind Breaker | 0.3693 |
| Titan Sliver | 0.2293 |
| Paladin Sword | 0.2193 |
| Elven Tunic | 0.2193 |
| Enchanted Quiver | 0.2093 |
| Grove Bow | 0.1838 |
| Penta-Edged Sword | 0.1748 |
| Ninja Gear | 0.1748 |
| Defiant Shell | 0.1693 |
| Stormcrafter | 0.1148 |
| Pupil'S Gift | 0.0838 |
| Ex Machina | 0.0803 |
| Mirror Shield | 0.0703 |
| Cloak Of Flames | 0.0693 |
| Arcane Ring | 0.0683 |
| Ceremonial Robe | 0.0593 |
| Vambrace | 0.0538 |
| Force Boots | 0.0503 |
| Occult Bracelet | 0.0483 |
| Bullwhip | 0.0438 |
| Stygian Desolator | 0.0403 |
| Quickening Charm | 0.0393 |
| Spell Prism | 0.0348 |
| Timeless Relic | 0.0248 |
| Apex | 0.0103 |
| Pirate Hat | 0.0103 |
| Fairy'S Trinket | 0.0083 |
| Dragon Scale | 0.0038 |
| Gossamer Cape | -0.0162 |
| Vampire Fangs | -0.0262 |
| Trickster Cloak | -0.0352 |
| Ascetic'S Cap | -0.0452 |
| Dandelion Amulet | -0.0507 |
| Seeds Of Serenity | -0.0617 |
| Havoc Hammer | -0.0752 |
| Broom Handle | -0.0817 |
| Lance Of Pursuit | -0.0817 |
| Giant'S Ring | -0.0897 |
| Spark Of Courage | -0.0917 |
| Pig Pole | -0.1017 |
| Trusty Shovel | -0.1017 |
| Faded Broach | -0.1017 |
| Ogre Seal Totem | -0.1107 |
| Psychic Headband | -0.1107 |
| Arcanist'S Armor | -0.1197 |
| Eye Of The Vizier | -0.1362 |
| Seer Stone | -0.1597 |
| Fallen Sky | -0.1597 |
| Martyr'S Plate | -0.1652 |
| Telescope | -0.1952 |
| Tumbler'S Toy | -0.2017 |
| Duelist Gloves | -0.2117 |
| Book Of Shadows | -0.2197 |
| Philosopher'S Stone | -0.2462 |
| Book Of The Dead | -0.2597 |