Questions tagged [voting-system]

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

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Rules, theoreticial basis on selecting which machine learning model acceptable to be combined into a voting classifier

Background: Voting ensembles (hard/maximum voting, averaging/soft voting) and stack models are considered as the ensemble technique that can improve individual performance of the machine learning ...
1 vote
19 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 ...
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42 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 ...
• 224
58 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 ...
90 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 ...
60 views

Generate batches of random numbers that each are zero-sum and for which mean of the absolute values is uniformly distributed over specified interval

In the context of polls of voting results, I want to generate random numbers with specific properties to sample the possibilities within the margin of error of the poll. For example, suppose I have ...
370 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 ...
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119 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 ...
• 176
20 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 ...
• 101
69 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 ...
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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 ...
• 1,148
86 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 ...
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1 vote
23 views

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 ...
• 111
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 ...
296 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 ...
142 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 ...
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1 vote
36 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 ...
• 111
224 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 ?
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4k 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 ...
• 215
1 vote
27 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 ...
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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 ...
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 ...
44 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 ...
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60 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,...
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334 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 ...
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