Questions tagged [voting-system]

Use for questions about the system used to decide the results of a vote.

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Way of estimating the parameters of a distribution that encourages samples not to try to game the system?

There is a distribution $D(\theta)$, where $\theta$ represents the parameters of the distribution. To sample from the distribution, a bunch of people are called to give their samples $x_1, \ldots, x_n$...
chausies's user avatar
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1 vote
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What can statistics tell us about instant runoff or ranked choice voting?

I think my most incisive retort thus far as to how Ranked Choice Voting is a bad idea, is: Why is the second vote of the loser so much more important than that of the winners’? If I hypothetically win ...
Nick Carducci for Carface Bank's user avatar
1 vote
0 answers
24 views

Modeling voting paradoxes through Monte Carlo Simulations

Recently, I have been reading about voting paradoxes, more specifically the Condorcet paradox which states that there is no majority will. With other words, it may be difficult to aggregate individual ...
Greg's user avatar
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2 votes
2 answers
92 views

Does KNN fail if the test data have no epsilon close nearest neighbors to the training data?

If I have binary-classification data and a Euclidean metric, and I know the best number of nearest neighbors, then I draw circles on my training data based on my K-value which tell me which regions ...
user avatar
4 votes
1 answer
123 views

Probability of a draw between at least two options in an election with n voters and m options

I hope that this question has not been asked before, but i couldn't find an answer to it online or by myself. I came by that question during a project of mine: If i have an election with n voters and ...
EconStudent555's user avatar
2 votes
0 answers
211 views

Combine several performance metrics from several datasets

We are developing and evaluating a multi knee/elbow point detection algorithm. For our evaluation, we have 200 sequences of real data. These sequences were annotated manually. For each algorithm and ...
mariolpantunes's user avatar
0 votes
1 answer
4k views

What happen if KNN has k=1 and there are 2 nearest classes with the same distance

What happen if KNN has k=1 and there are 2 nearest classes with the same distance? as fare as I know, If k is even number and have equal classes number it will random class for the answer. But what ...
S.Xu's user avatar
  • 9
0 votes
0 answers
214 views

How to tune an weighted voting ensemble method?

I am working with a data with 5 unbalanced labels. These codes are contained of Normalization, Oversampling on Feature Engineering part. A list of 9 ordinary Machine Learning methods is provided ...
amin's user avatar
  • 176
0 votes
1 answer
22 views

Calculating Banzhaf for large number of voters

I'm calculating governance metrics and Banzhaf power index is one of them. The algorithm requires creating all possible coalitions and if the number of voters is large (i.e. 100, or on my laptop ...
Eddy's user avatar
  • 101
0 votes
0 answers
82 views

Probability of decisive vote in USA presidential election

I would like to calculate the probability of a decisive vote in USA presidential election. This is a follow up question to this one. Is it ok to assume that in USA, there are two conditions of ...
Przemyslaw Remin's user avatar
80 votes
7 answers
10k views

Do not vote, one vote will not reverse election results. What is wrong with this reasoning?

Do not vote, one vote will not reverse the election result. What's more, the probability of injury in a traffic collision on the way to the ballot box is much higher than your vote reversing the ...
Przemyslaw Remin's user avatar
3 votes
2 answers
94 views

Simple up/down vote rating but weighted by number of responses

I am trying to analyse the ratings for restaurants from a website. The rating system on the website is pretty simple: people can up-vote or down-vote. The restaurant is then presented to website ...
Resonance's user avatar
  • 131
1 vote
0 answers
24 views

Ranking items through votes

I asked participants to rank 10 items based on order of importance (i.e. 1=most important 10=least important 11=not relevant Now, I want to order the items from most voted important to least ...
user2771150's user avatar
0 votes
0 answers
22 views

How can I get a confidence level on a voting system's output?

I'm running a tournament, which tries to rank players as they compete against each other. I'm having problems with the fact that the rankings are changing if I run a tournament multiple times. To be ...
Nathan Merrill's user avatar
4 votes
0 answers
301 views

Voting between classifiers : How to prove it works?

Assume $m$ independent binary classifiers with probability $p$ to be correct $p>0.5$. Show that the probability of a voting, e.g. decision is made by the majority of classifiers is correct with ...
Hanan Shteingart's user avatar
2 votes
0 answers
178 views

Ensemble, what are simple alternatives to averaging?

I have a classification problem (A or B or C). I am currently evaluating test set results from the trained random forest, neural net, and logistic regression models. Any one model works pretty well ...
steve d's user avatar
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1 vote
0 answers
49 views

Using different data transformation in ensembles

I have trained few models using sklearn and python. However I have scaled the data for Support Vector Machines - standarized and for Neural Network - Scaled [0-1] since it gives me better results and ...
Serafins's user avatar
  • 111
0 votes
0 answers
230 views

Which algorithm is the best voting method ?

There are several voting methods such as Borda count, PLurality, BeatPath, Condorcet. Which one the the most accurate method ?
kgk's user avatar
  • 135
9 votes
2 answers
5k views

Do boosting techniques use voting like any other ensemble method?

Can we generalize all ensemble methods by using voting? Do boosting methods also use voting to get the weak learners into the final model? My understanding of the technique: Boosting: Continuously ...
pritywiz's user avatar
  • 215
1 vote
0 answers
29 views

Scoring a Item Based on Votes

I am creating an item selection system that allows a group of people to vote on their favorite item by ranking it between 1 (no good / least favorite) to 5 (very good/favorite). I received a bunch ...
Steve's user avatar
  • 111
2 votes
1 answer
1k views

Scheme for Weighted Voting on Ensemble Machine Learning System

I'm designing a machine learning system in which i'm training 4 different classifiers and voting among it's predictions to decide on an output. Presently i'm just making a simple vote (i.e. selecting ...
thiago_lira's user avatar
12 votes
6 answers
5k views

Brexit: was "leave" statistically significant? [closed]

In this post we ask a question about a natural phenomenon called humans attempt to find decision by counting votes. The specific incident of such natural phenomenon that this question is about is the ...
2 votes
0 answers
51 views

Voting system for little league all-stars: should there be more votes per voter than spots on the team?

I'm on the Board of Directors of my Little League. We typically have about 35-40 players try-out for All-Stars. Managers, coaches and players (total of about 70) all vote for who they believe are the ...
Chad's user avatar
  • 21
3 votes
0 answers
62 views

What is a better political voting method? [closed]

We are in a season where some major elections are happening (e.g. U.S. elections) and I find it interesting to address. Objective When we decide "better", we need to define an objective. To be clear,...
caveman's user avatar
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11 votes
2 answers
343 views

Voting system that uses accuracy of each voter and the associated uncertainty

Let's say, we have simple "yes/no" question that we want to know answer to. And there are N people "voting" for correct answer. Every voter has a history - list of 1's and 0's, showing whether they ...
ffriend's user avatar
  • 9,840
5 votes
3 answers
419 views

What to do about ties in voting results?

Imagine a committee of people in charge of hiring a CEO. A committee member can vote "No hire" (+0), "Maybe"(+1), "Hire"(+2) for a potential CEO candidate. Each CEO is scored based on the votes, and ...
varuman's user avatar
  • 53