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.

learn more… | top users | synonyms (1)

0
votes
0answers
16 views

Scoring model/formula to rank based on accuracy of data sources

Let us say i have 5 different data sources. My aim is arrive a score to arrive the accuracy of this data sources. It is like below 1. Refer the section Data confidence calculation in ...
0
votes
0answers
16 views

How to do ranking with scikit-learn random forest model

I have a training dataset that I've developed, that has the following format: ------------------------------ | User ID | Item | Label | ------------------------------ | 001 | umbrella | 0 ...
0
votes
0answers
12 views

What algorithm can give me a probability-ranking on text-classifaction problems

I'm trying to classify e-mails using tokens in the text and headers. What I would like to know is which class a new e-mail most likely belongs to. The answer could be more than one class or could ...
0
votes
2answers
21 views

Can I use SVM classification probability for ranking?

I have used SVM for finding relevant results, denoting relevant results by class 1 and irrelevant results as class 0. SVM gives a probability of the label assigned. Can I rank the results of class 1, ...
1
vote
0answers
4 views

Ranked responses across survey questions

We have a set of arthritis disease activity questions. Patients are given a scenario that describes a disease activity level scenario, like (A)"It is not painful to write" or (B)"It is painful to ...
0
votes
0answers
24 views

How to sort some variables based on their importance?

I have very little knowledge of statistics so please point me in the right direction if this question has already been answered. I tried searching but don’t know the correct keywords to search for. I ...
1
vote
2answers
16 views

Ranking estimation with partial data

Consider a problem where we ask a number of people to select and rank their top three choices out of a number of options. The set of options is the same for everyone, and they all have to rank their ...
2
votes
1answer
48 views

How to find similar users by looking at their votes in a community website?

I run a community website with ~1600 users who made 750 000 votes on 100 000 posts. The votes are made on the Likert scale, i.e. from 1 to 5. I want to help users find like-minded people. After some ...
-1
votes
1answer
32 views

How do I rank companies? [duplicate]

I have some information against each company we deal with. For e.g. number of employees, business volume, average salary, etc. Which technique can I use to rank each company against the others? ...
0
votes
1answer
12 views

Ranking performance measure

I have a system able to produce a ranking of some operations according to their anomalous score. I have N anomalous operations inside the dataset, which I expect to be in the first N positions (best ...
0
votes
0answers
14 views

Measure the Ranking of Variables

What I want to do is compare the ordering of variables determined by the ranking of each variable. For example: Say, I have a rating system that is made up of 5 different ratings - Excellent Good ...
2
votes
0answers
21 views

Which stats model to predict rank when participants arrange conditions by rank?

Just a quick clarification: This question is about when participants specify which condition is most X, second most X, third most X, etc. It's not about the researcher converting continuous DV's into ...
0
votes
0answers
14 views

Confidence in a rank ordering (Fez)

The beautiful indie game Fez has numerous puzzles and centers around cryptic messages that are read to you in an "alien language". At one point, you can enter a village, where all the villagers speak ...
1
vote
1answer
20 views

Getting less number of features in weight vectors as were provided for SVM

I have trained a SVM with 18881 features and wanted to know the ranking of features. I tried the method given at http://stackoverflow.com/questions/7390173/svm-equations-from-e1071-r-package for it ...
0
votes
2answers
36 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
votes
1answer
32 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
vote
0answers
24 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
votes
3answers
94 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
vote
0answers
31 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
votes
0answers
16 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
votes
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
votes
0answers
32 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
vote
1answer
43 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
votes
1answer
32 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
votes
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
vote
1answer
34 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
votes
0answers
29 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 ...
0
votes
0answers
53 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 ...
0
votes
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
vote
2answers
202 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
vote
0answers
62 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
vote
1answer
33 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
vote
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
vote
0answers
52 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
votes
2answers
96 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
vote
1answer
42 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
votes
0answers
10 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
votes
0answers
156 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
votes
0answers
24 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
187 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
vote
1answer
63 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
votes
1answer
20 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 ...
1
vote
0answers
14 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
votes
0answers
21 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 ...
1
vote
0answers
39 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 ...
0
votes
0answers
5 views

Ranking of multiple results [duplicate]

I have a four columns data in a table that looks something like this : ...
1
vote
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
51 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 ...
1
vote
0answers
17 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
votes
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.