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The charts on this website are eye opening. Even in 4 candidates we can see very strange behaviour from IRV. I initially didn't understand why IRV would be non
by enitihas 8y ago
The charts on this website are eye opening. Even in 4 candidates we can see very strange behaviour from IRV. I initially didn't understand why IRV would be non monotonic, but reading some examples it can be seen that the results of IRV can drastically change depending on who got the lowest votes. The graphs show several weird behaviors for IRV and I would recommend anyone interested in voting systems to have a look.
- andrewla 8y agoAgreed. For me it seemed like IRV would be fairly stable, and I was surprised by how strange it was. My updated intuition now says that IRV means that as long as your top candidate is in first place, your other preferences are disregarded by the system. "My #2 was eliminated too early -- if I had known that my #1 would be eliminated in the end I would have ranked #2 higher".