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Questions tagged [ranking]

Ranking is the sorted order of an element in a list of elements. Usually a high ranking means the element is good in terms of certain metric.

is used in:

  • sorting algorithms
  • information retrieval to represent the relevance of documents with respective to the search queries.
  • recommendation to rank top-k items.
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Ranking keywords in a doc

I have a requirement of ranking keywords in a document. I have only 1 document, so I dont know how much TF-IDF would help. I would like to rank the keywords based on their proximity and relevance to the document, I would like to know if I could use…
Yogi
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how to rank a correlation matrix?

I have found a correlation matrix for my data using the following code: file_20 <- read.csv("C:/Desktop/ex.csv") file_20 cor (file_20[,1:19], file_20[1:19], method ="spearman") But now how can i rank my correlation matrix? Is there any…
user1083096
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Sphinxsearch Sorting and Ranking

What is the difference between Sorting and Ranking in sphinxsearch? I've recently implemented sphinxsearch in my application.. I see that sphinx offers sorting which is really good. But there is also Set Ranking mode.. I don't clearly understand the…
casper123
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Ranking algorithm for items with multiple attributes?

If I have a large list of items, each with a list of attributes which can contain multiple (or no) scores, what would be a good method for ranking these items fairly taking into account possibly unequal amount of information known about each item?…
user3232672
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PostgreSQL ranking and related

I have a table which stores userids and their points in different categories. The number of users will keep changing. The points will also keep changing (like the points in stackoverflow). So a user who logins in will see a dashboard which says, for…
Jayadevan
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Solr boost query with additive boost with edismax

Is it possible to specify an additive boost for a set of documents (given a set of document ids) at query time for the extended dismax handler? I was planning to use bq with an OR'ed list of ids but apparently bq's boost is not additive.
axk
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How to randomize results from CloudSearch based on my rank order

My scenario is based on a web portal in .NET C# that use the Amazon CloudSearch to show entertainment's events. Here is my…
Andre Figueiredo
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improving my ranking and median calculation mysql request?

I've got to achieve mutiple ranking and median calculation on a mysql table. The table looks like: ps_eur_agreg_lots (id_lot, id_customer, variete, qualite_presentation, defauts_graves) (In fact, it is an aggregate view from many…
spacm
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Calculate net change in ranking after "update", MYSQL

I have a two MYSQL tables: Table-1 id catid title user_rating 123 8 title-one 3 321 8 title-two 5 and Table-2 listing_id …
David Madhatter
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multisort for marks and gpa

I am trying to generate a student tabulation sheet. How can I display students details with ranking according to Marks & GPA(Descending). currently I can display by either Marks or GPA with the following code: arsort($myGpa); foreach($myGpa as…
user2982056
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Implementation ranking by using a Lucene search

I want to do ranking in Lucene search but I couldn't. I implemented Lucene in Java and the code indexing files and searching in indexed files. But I want to evaluate and make ranking function which returns double between 0 to 1. How can I implement…
Umidjon Urunov
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Cyclic display of priority list in the database

I am in the process of building a website which promotes NGOs in out country . I am trying to build database and now i have struck at one point, I have hundreds of NGOs in every states and i want to show all the NGO's. This is made by querying…
panindra
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VB.Net: Creating a StackRanking procedure with SQL Queires, for loops, and labels on Windows Form

I have a couple of questions regarding this code. Is there a better way to write these SQL statements so that i can probably just use one query? and the other question is regarding the "Controls.Item("LblStckRnk" & i + 1).Text() =…
Joseph.Scott.Garza
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SAS 9.3 Proc Rank Alternatives

I have an imported excel file, DATASET looks like: Family Weight 1 150 1 210 1 99 2 230 2 100 2 172 I need to find the sum of ranks for…
user3078807
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Why does it keep outputing "0"?

import java.util.Scanner; class DataInput { String name[]; int korean[], math[], english[]; int sum[]; double average[]; static int rank[]; int students; public void save() { Scanner sc = new Scanner(System.in); System.out.println("Please…
Muon
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