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Dota Valkyries
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 | |
|---|---|---|---|
 | Naga Siren | 9 | 66.67% |
| Opponent | Rank | Rev-Rank | Winrate | Advantage | Matches | Won | Lost | Expected matches | Deviation | Percentage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Broodmother | 100.00 | 48.57 | 100.00% | 33.33% | 2 | 2 | 0 | 0 | 2 | 100.00% |
 | Storm Spirit | 97.14 | 42.86 | 100.00% | 33.33% | 2 | 2 | 0 | 1 | 1 | 50.00% |
 | Viper | 94.29 | 60.00 | 75.00% | 8.33% | 4 | 3 | 1 | 1 | 3 | 75.00% |
 | Ancient Apparition | 91.43 | 62.86 | 66.67% | 0.00% | 3 | 2 | 1 | 2 | 1 | 33.33% |
 | Earthshaker | 88.57 | 5.71 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Snapfire | 85.71 | 22.86 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Hoodwink | 85.71 | 22.86 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Grimstroke | 85.71 | 22.86 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Abaddon | 85.71 | 22.86 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Bristleback | 85.71 | 22.86 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Ursa | 85.71 | 22.86 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Night Stalker | 68.57 | 28.57 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Lifestealer | 68.57 | 28.57 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Enchantress | 62.86 | 34.29 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Mars | 62.86 | 34.29 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Warlock | 57.14 | 40.00 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Sven | 57.14 | 40.00 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Tiny | 51.43 | 2.86 | 100.00% | 33.33% | 1 | 1 | 0 | 1 | 0 | 0.00% |
 | Shadow Shaman | 48.57 | 45.71 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Slardar | 48.57 | 57.14 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Venomancer | 48.57 | 57.14 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Phantom Assassin | 48.57 | 57.14 | 100.00% | 33.33% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Invoker | 37.14 | 65.71 | 50.00% | -16.67% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Phantom Lancer | 34.29 | 68.57 | 50.00% | -16.67% | 2 | 1 | 1 | 0 | 2 | 100.00% |
 | Templar Assassin | 31.43 | 71.43 | 50.00% | -16.67% | 2 | 1 | 1 | 1 | 1 | 50.00% |
 | Beastmaster | 28.57 | 94.29 | 0.00% | -66.67% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Nyx Assassin | 25.71 | 91.43 | 0.00% | -66.67% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Leshrac | 25.71 | 91.43 | 0.00% | -66.67% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Wraith King | 25.71 | 82.86 | 0.00% | -66.67% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Elder Titan | 17.14 | 85.71 | 0.00% | -66.67% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Ember Spirit | 14.29 | 100.00 | 0.00% | -66.67% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Underlord | 11.43 | 80.00 | 0.00% | -66.67% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Winter Wyvern | 11.43 | 80.00 | 0.00% | -66.67% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Dark Willow | 11.43 | 80.00 | 0.00% | -66.67% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Lion | 2.86 | 100.00 | 0.00% | -66.67% | 1 | 0 | 1 | 1 | 0 | 0.00% |