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2
votes
1answer
36 views

Board Game Score Calculation Suggestions?

My coworkers and I play board games at lunch. We've taken it so seriously that I've written an application to calculate a "player score" based on how you place in each game played. Here's how it ...
0
votes
0answers
22 views

Improving the Elo rating system to account for game results

I am looking for a ranking system for office table tennis. The popular option is the Elo rating system http://en.wikipedia.org/wiki/Elo_rating_system. This system is also popular in Chess I believe ...
1
vote
1answer
54 views

Rating system for 2 vs 2, 2 vs 1 and 1 vs 1 game

We play in table football in such configurations: 2 vs 2 players 2 vs 1 1 vs 1 Team (consisting of 1 or 2 players) wins the single game when they score 10th goal. I would like to introduce a ...
1
vote
1answer
33 views

An algorithm to rate players in team?

I would like to design an algorithm to rate players in a team sport. One team of N players plays a match against another team of N players. The individual players will possibly change, from match to ...
0
votes
1answer
35 views

Logistic Scoring Correction

"Consider the logistic curve $f(x)=\frac{1}{1+e^{-bx}}, -1 \leq x \leq 1$. We wish to use this curve to make a scoring correction formula $g(x)$ for an $n$ item test. The domain and range are both ...
0
votes
0answers
19 views

Determining probability of continuous data given predictions

I am doing an investigation into the math used in ScoreAHit's algorithm. In their documentation page they discuss a value they computed dubbed "harmonic simplicity." Their equation for calculating ...
0
votes
2answers
45 views

Percent Error of a Typical Exam

In the Japanese national mathematics exam system, students are asked to work questions and bubble in the last digit of the answer. Thus the "scantron" form has ten possible answers for each question: ...
0
votes
1answer
38 views

Tips, tutorials, help for writing an algorithm

I'm struggling with the concepts of writing a formula that will help me tease out certain characteristics of strings I'm comparing. I know this is mathexchange, but bear with me. Essentially, I have ...
1
vote
0answers
20 views

Algorithm to evaluate predictions

I am looking for an algorithm* to solve the following problem Scenario I'm observing a sequence of things. Every thing has some arbitrary visible properties and a hidden probability $p$ to turn out ...
0
votes
0answers
24 views

Wilson score for a range of ratings?

(Note: I did look at similarly worded questions and none seem to answer this one.) Given this scenario: People can rate 0 or more items on a scale of 0-X. I am trying to find the Wilson score ...
2
votes
0answers
54 views

How can I turn a hypergeometric p-value into a score?

I have a list of hypergeometric probability values that give me the likelihood of association between two items. For each pair of items, I have used R's ...
2
votes
1answer
75 views

Formula for Game Score Normalization

My friends and I play a lot of board games together. In an effort to keep track of how we do between each game, we use a simple method to normalize the scores. For example, let's say we have the ...
0
votes
1answer
63 views

K Nearest Neighbors classification Special Case with Identical Points

The question is about KNN algorithm for classification - the class labels of training samples are discrete. Suppose that the training set has n points that are ...
3
votes
1answer
66 views

Photo Rating System based of Community 'Likes'

I'm hoping to get some assistance from some math gurus on a troubling problem i'm having with a website. The site has a very large gallery (millions of photos) which are uploaded by users. The users ...
0
votes
1answer
42 views

Points Calculator

I'm trying to formulate an equation for a online ranking system, I would like to award points to users based on there rank and the total number of users. I would like something similar to below, where ...
1
vote
1answer
24 views

Create range in base of ratio

I have a big problem to calculate votes with my excel documents. I have some field for a project: - minimum estimate in hours (before I start a project I tell how many hours I think to do for this ...
0
votes
0answers
30 views

What algorithms do you know for beltway reconstruction?

I've faced the beltway reconstruction problem and I've developed a simple backtrack algorithm, what algorithms do you know for this problem? Beltway Reconstruction Problem: Assume there is a set of ...
1
vote
2answers
116 views

Calculate price score

I want to create an algorithm/calculation that helps me figure out if the price on a used vehicle is high or low. My thoughts are that to calculate this i need a critical mass of previous vehicle ...
0
votes
1answer
30 views

algorithm to assign points to winning users

I have a set of users who have won a game ('jim', 12), ('james', 54), ('john', 76), ('dave', 22), ('garry', 34), ('stuart', 16) I would to award them a share of ...
6
votes
4answers
134 views

What is a good measure of “controversy”, given a support score and opposition score?

Suppose I have a topic or discussion, and a number of "support" and "opposition" points on each side (You can also think of them as "upvotes" and "downvotes") and I want to calculate a score of how ...