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Looking for work as Dota 2 panelist / statistician / analyst in broadcast 
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Explain this to me
The page shows a hero's winrates against certain enemies, as well as winrate advantage (difference in winrate compared to overall value). Higher rank and winrate mean opponent is easier for the hero, higher R-Rank means opponent is picked often and is less effective against the hero.
| Hero | Matches | Winrate | |
|---|---|---|---|
 | Viper | 12 | 66.67% |
| Opponent | Rank | Rev-Rank | Winrate | Advantage | Matches | Won | Lost | Expected matches | Deviation | Percentage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Earth Spirit | 100.00 | 47.37 | 100.00% | 33.33% | 2 | 2 | 0 | 2 | 0 | 0.00% |
 | Shadow Fiend | 97.37 | 21.05 | 100.00% | 33.33% | 2 | 2 | 0 | 1 | 1 | 50.00% |
 | Clockwerk | 97.37 | 39.47 | 100.00% | 33.33% | 2 | 2 | 0 | 1 | 1 | 50.00% |
 | Ursa | 97.37 | 39.47 | 100.00% | 33.33% | 2 | 2 | 0 | 1 | 1 | 50.00% |
 | Mars | 89.47 | 60.53 | 75.00% | 8.33% | 4 | 3 | 1 | 2 | 2 | 50.00% |
 | Troll Warlord | 86.84 | 63.16 | 66.67% | 0.00% | 3 | 2 | 1 | 1 | 2 | 66.67% |
 | Void Spirit | 84.21 | 65.79 | 66.67% | 0.00% | 3 | 2 | 1 | 2 | 1 | 33.33% |
 | Ancient Apparition | 81.58 | 34.21 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Keeper of the Light | 78.95 | 31.58 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Nyx Assassin | 78.95 | 31.58 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Abaddon | 78.95 | 31.58 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Brewmaster | 78.95 | 44.74 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Morphling | 78.95 | 31.58 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Doom | 65.79 | 18.42 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Monkey King | 63.16 | 15.79 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Oracle | 60.53 | 13.16 | 100.00% | 33.33% | 1 | 1 | 0 | 2 | -1 | -100.00% |
 | Bristleback | 57.89 | 10.53 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Nature's Prophet | 55.26 | 7.89 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Dragon Knight | 52.63 | 5.26 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Wraith King | 50.00 | 2.63 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Tidehunter | 50.00 | 44.74 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Grimstroke | 44.74 | 57.89 | 100.00% | 33.33% | 1 | 1 | 0 | 2 | -1 | -100.00% |
 | Storm Spirit | 42.11 | 50.00 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Phantom Lancer | 39.47 | 52.63 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Tusk | 36.84 | 55.26 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Phoenix | 34.21 | 81.58 | 50.00% | -16.67% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Pangolier | 31.58 | 76.32 | 50.00% | -16.67% | 2 | 1 | 1 | 2 | 0 | 0.00% |
 | Earthshaker | 28.95 | 73.68 | 50.00% | -16.67% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Windranger | 28.95 | 81.58 | 50.00% | -16.67% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Lion | 28.95 | 73.68 | 50.00% | -16.67% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Outworld Destroyer | 28.95 | 73.68 | 50.00% | -16.67% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Rubick | 18.42 | 94.74 | 25.00% | -41.67% | 4 | 1 | 3 | 1 | 3 | 75.00% |
 | Centaur Warrunner | 15.79 | 84.21 | 0.00% | -66.67% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Undying | 13.16 | 86.84 | 0.00% | -66.67% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Invoker | 10.53 | 97.37 | 0.00% | -66.67% | 2 | 0 | 2 | 0 | 2 | 100.00% |
 | Weaver | 7.89 | 92.11 | 0.00% | -66.67% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Huskar | 5.26 | 89.47 | 0.00% | -66.67% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Phantom Assassin | 2.63 | 100.00 | 0.00% | -66.67% | 2 | 0 | 2 | 1 | 1 | 50.00% |