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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 | 4 | 25.00% |
| Opponent | Rank | Rev-Rank | Winrate | Advantage | Matches | Won | Lost | Expected matches | Deviation | Percentage | |
|---|---|---|---|---|---|---|---|---|---|---|---|
 | Ember Spirit | 100.00 | 26.32 | 100.00% | 75.00% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Slardar | 100.00 | 26.32 | 100.00% | 75.00% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Phantom Assassin | 100.00 | 26.32 | 100.00% | 75.00% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Viper | 100.00 | 26.32 | 100.00% | 75.00% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Enchantress | 100.00 | 26.32 | 100.00% | 75.00% | 1 | 1 | 0 | 0 | 1 | 100.00% |
 | Spirit Breaker | 73.68 | 47.37 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Tusk | 73.68 | 47.37 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Medusa | 73.68 | 47.37 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Keeper of the Light | 73.68 | 47.37 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Undying | 52.63 | 52.63 | 0.00% | -25.00% | 1 | 0 | 1 | 1 | 0 | 0.00% |
 | Ogre Magi | 47.37 | 94.74 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Sand King | 47.37 | 94.74 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Night Stalker | 36.84 | 100.00 | 0.00% | -25.00% | 2 | 0 | 2 | 0 | 2 | 100.00% |
 | Storm Spirit | 31.58 | 94.74 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Death Prophet | 31.58 | 94.74 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Riki | 31.58 | 94.74 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Lina | 31.58 | 94.74 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Vengeful Spirit | 31.58 | 94.74 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |
 | Clinkz | 31.58 | 94.74 | 0.00% | -25.00% | 1 | 0 | 1 | 0 | 1 | 100.00% |