Ranking is ordering data from highest to lowest or *vice versa.* For questions about *constructing* scores to use in ranking, please use the "valuation" tag, too.

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2answers
33 views

How to correct for absolute values when looking at relative values?

Apologies if this is a duplicate. I have a website with a large number of URLs, and I also have data on the number of unique page-views and online feedback generated for each URL. I would like to find ...
4
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1answer
30 views

How do you test for a trend in a series of random variables?

If I want to test whether black mice are heavier than white mice it's pretty easy to set up a t-test where I'm comparing the mean weights of a bunch of mice, but if I wanted to test whether black mice ...
1
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0answers
21 views

repeated measures ranking data

I have a repeated measures design where 180 participants rank their preferences for 12 items at time1, and then undergo an intervention, and then they rank their preferences for the same 12 items ...
2
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3answers
91 views

Network centrality in a set of networks with shared nodes

I have a set of weighted networks, each represented as a complete graph composed of nodes and connections with weights (see also "weighted networks" on Wikipedia). All networks share the same nodes ...
1
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0answers
20 views

Algorithm to Rank “Risk Factors” on Individual Level from Logit Regression Scoring

I have a logit regression which predicts the probability of attrition. The equation is roughly: ...
0
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0answers
12 views

How to merge two ratings into a single one?

I have sixteen parameters which were analyzed on different scales and their absolute weights or ratings are calculated using AHP For Variable1/Parameter ...
0
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1answer
25 views

Determine whether something is “significantly maximal”

The problem: I have a measure $D_i$ that quantifies how well a single target "feature" can be predicted from a set of (other) features $i$ (similar to an AUC). $D_i$ is computed based on a set of $n$ ...
3
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0answers
31 views

Statistic for measuring amount of “reordering” between two vectors?

Ok, so here's the motivating situation: I have two pieces of software for which I can feed in an RNA sequence, and get out a numerical value. And while it's clear that one of the pieces of software ...
1
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1answer
28 views

Weighted Kendall tau rank correlation coefficient

I need to use a measure to compare two rankings: Consider the ground truth as 1,2,3,4,5,6. Let two rankings be R1 and ...
0
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1answer
30 views

How do search engines generate related searches?

I would like to know how search engines like Bing generate related searches when the user starts typing into the search box. From what I gather, there has to be some sort of a ranking algorithm where ...
2
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0answers
8 views

Appropriate correction for tests for determining best of family

I have a sample of $N$ instances of a problem (assumed to be independent samples of an infinite population of instances). To each of these instances I apply $M$ methods, and record how quickly they ...
1
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1answer
33 views

Comparing ranks within groups

I've got data from a psychology research study where participants are given scores for various different situations. I'm looking at comparing the rank of those scores - is the person ranked as 1st in ...
0
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0answers
25 views

About Bayesian formula and rating system

I'm building a scoring system with score from 0 to 5) and I would like to sort products according to the number of reviews and their scores. After some research on the Internet I have found two ...
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0answers
42 views

How to calculate sample size for poll / ranking

Let's suppose there are Y options to choose from. I'd like to run an experiment with a sample of n participants (from a larger population), each will choose 1 option from the Y alternative according ...
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1answer
6 views

Select the most confident variable that has two features

Suppose now I have a group of students, and for each student two measurements are given: one is the height of the student and the other is the weight of the student. Then my question is how I can ...
1
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2answers
198 views

How do I estimate P(skill(player1)>skill(player2)) when I know the number of (presumably independent) 'wins' and 'losses' of player1 and player2?

How do I estimate the probability P(skill(player1)>skill(player2)) when all of the following apply: I know the number of wins and losses of player1 and player2. I can assume that the wins and losses ...
1
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0answers
58 views

Regression analysis of rank data

The dependent variable is Binary data and independent variables are ranks from 1 to 5. What method should I use in order to examine the relationship between these variables? I am analyzing survey ...
1
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1answer
31 views

Rank individuals according to 3 different scores

I'm looking for a technique that would help me rank individuals according to 3 scores A, B and C (each representing a separate score in 3 specific fields). A, B and C are all normalized value between ...
1
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1answer
29 views

A/B split/bucket testing with three or more variants

Lets say I have three search engine e.g. search engine A, search engine B and search engine C. Each search engine is given a set of queries Q (e.g. apple,banana,carrot....), this set Q remains the ...
1
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0answers
50 views

Hierarchical ordinal regression (or ranking) with prediction constraints on clusters?

I am interested in predicting an ordered outcome of 0,1,2 or 3 (0<1<2<3) for individual responses in a bunch of different clusters. In each cluster $i$ of size $n_i$ there is a single 3, 2 ...
5
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2answers
94 views

Metrics for comparing estimated lists to a 'true' list

I'm wondering what the best ways to compare (possibly ranked) lists when we know what the true ranking is and also the variable that decides the ranking. Say this is the top 10 of a certain list, we ...
1
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1answer
28 views

rank data in subsets

I have a data asset where one "unique"ID corresponds to multiple cases, shown below. I am looking for a way to create a column ranking each ID by another column but keeping the rank unique for each ...
0
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0answers
9 views

Aligned Rank Transform with random factor

In an aligned rank transform preceding a two-way ANOVA, the procedure is: save residuals by performing a standard ANOVA use Aggregate to determine effects for group means (mij for interaction, ai ...
0
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0answers
119 views

Calculate rating/score based on multiple criteria to rank data

I extract data related to a movie by sentiment analyzing the reviews. Hence,extracted movie data contains average sentiment values (avg_pos and avg_neg) calculated over multiple reviews, total no of ...
2
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0answers
21 views

Rank Order Analysis with Missing Values

I have several survey questions that allow a respondent to choose their top three choices from a set of potential answers--basically "What is the most important, 2nd most important, 3rd most ...
2
votes
1answer
146 views

Rank histogram (or Talagrand Diagram) of precipitation data

Given a dataset of lines containing 6 wind forecast values plus 1 observed (actual) value in each like: ...
1
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1answer
42 views

Effect of sample decimal points on power in rank-based tests

I perform different rank-based non-parametric tests (Friedman and Nemenyi) post-hoc and noticed that the decimal places of the samples have a strong effect on their power. Please consider the ...
0
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1answer
19 views

How to use a set attributes of an entity at different time snaps to make predictive analysis?

The problem is to come up with a classifier for any task based on a set of attributes of an entity having different values at different times. For instance think about football players and their match ...
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0answers
13 views

Classification Residual Analysis with rank-based goal

I have a dataset consisting of users, each with a number of items (ranging from 1 to 100). The end-goal is for each user to be able to predict the ranking the of the items according to some other ...
2
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0answers
20 views

Stores and ordered rank of products

I have data about popularity of some products in some stores. For each of the stores I have only a ordered rank of best-selling products in them. I need help how to find information about which ...
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0answers
36 views

categorical feature ranking

I would like to rank categorical features by the order or importance in a classification/regression setting. Input There are two features, which are survey questions: "how is your mood?": four ...
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0answers
5 views

Ranking of multiple results [duplicate]

I have a four columns data in a table that looks something like this : ...
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0answers
47 views

probability that a variable is ONE OF the top k out of n when ordered

Suppose ($h_1,h_2,...,h_n$) is an $n\times 1$ vector. Let $h_i=g_iX_i$, where $g_i$ is a non-random variable which can vary across $i$ and $X_i$ is a random variable with Pareto Type I distribution. ...
2
votes
1answer
50 views

Model for probability of song reaching top 10 ranking, over time?

I'm trying to model the probability of a song reaching Billboards top 10 over time. My data has the columns "Day since release", "If reached top 10". For example, [12,1] means the song hit top 10 on ...
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0answers
13 views

Using multinomial logit to rank observations

I'm trying to devise a model to rank a number of links according to their popularity. The links refer to upcoming events and job offers, and ideally I'd like to have a reasonably simple model that, ...
0
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0answers
26 views

Kruskal-Wallis, rank data

I want to perform a Kruskal-Wallis test, but I can't figure out whether this test will automatically rank my data or whether I have to rank it myself before I run the test.
1
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1answer
58 views

multivariate sorting / ranking

I have data for 1000 students' performance over 10 different tests on a scale of 0 -100 (a 1000 rows X 10 col matrix). I calculated the mean score and the associated coefficient of variation for each ...
2
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0answers
27 views

Predicting Rank of Google Result

I am trying to predict when one website will beat out another on google. I have three variables for each website, a Page Authority (P), a Domain Authority (D), and a Keyword Relevancy (K). What I am ...
1
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0answers
18 views

check for players undergoing the maximum/minimum change in time course data?

I have time series data of many variables (This data comes from high throughput biological experiments, which measure the amount of particular biological components such as RNA content of a cell etc., ...
7
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3answers
205 views

Top scoring students across a series of tests

I have a number of students and their scores across a series of tests, all of which have equal importance in my model. I would like to identify the top scoring students (e.g. top 10%). My first idea ...
0
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0answers
50 views

How do you verify a rating system?

Let's say I have a database of a lot of (thousands) chess games. In chess, every player have a rating, called ELO that gives an estimation how strong is this player. If we know the the ELO ranking of ...
0
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1answer
17 views

Solving feature bias issues in Learning to Rank with implicit feedback

I have a learning to rank system where implicit feedback (from user clicks) is used to determine +ve and -ve examples for the training. The problem is that (obviously) the learner sees only the top ...
1
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1answer
91 views

Creating a composite rank of restaurants with some missing data

I have monthly sales data of 500 restaurants for one year. For the same restaurants, I also have customer defection or dissatisfaction rates. I want to create a composite score that can rank ...
2
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0answers
33 views

Expectation of probability less than r-th sample in order statistics

(a)how can be r/(n+1)? in my lecture notes, Dist. of r-th order statistics is but i can't figure out how to come out (a) from this equation. any help?
1
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0answers
32 views

Generating realizations of sampling distributions

I have a sample of $N$ individuals. I know (assume) that the distribution of species' abundances follows a particular form, e.g., negative binomial. A nested example of these kinds of distributions is ...
1
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0answers
29 views

Transforming Rank-Ordered Variable

I am currently working on an archival dataset (General Social Survey 1985). In a measure, participants are asked to rank 5 job characteristics by degree of preference. In other words, participants ...
4
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1answer
134 views

A question on a non-parametric estimating equation

This is a question that arose from studying Hogg and Craig "Introduction to Mathematical Statistics",7th edition, pg 568. It is assumed that we have taken a random sample of $X_1,\ldots,X_{n1}$ and ...
0
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0answers
36 views

How to create a “universal ranking” from scores across different data sets

I'm trying to do this project that creates a sort of "universal score" across a set of games - if I play a game that gives me a certain score, and I have a friend who plays a different game and has a ...
1
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0answers
89 views

Friedman's test to identify best of multiple classifiers on multiple domains

I have several classifiers f_i (i=1..N) and calculated performance measures on multiple domains (D) for each. Thus, there are NxD values. I want to find out (increasing complexity): Is a particular ...
1
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0answers
25 views

Calculate Best Content from Rating and Downloads

I'm currently storing the following things in my Database about user submitted content: Downloads: The total Download count of the Content Likes: A user can either like a content or do nothing How ...