The mean reciprocal rank is a statistic measure for evaluating any process that produces a list of possible responses to a sample of queries, ordered by probability of correctness. The reciprocal rank of a query response is the multiplicative inverse of the rank of the first correct answer: 1 for first place, 1⁄2 for second place, 1⁄3 for third place and so on. The mean reciprocal rank is the average of the reciprocal ranks of results for a sample of queries Q: where refers to the rank position of the first relevant document for the i-th query. The reciprocal value of the mean reciprocal rank corresponds to the harmonic mean of the ranks. (Wikipedia).
The reciprocal answers the question, "How many groups of ___ are in 1?" What patterns do reciprocals follow?
From playlist Arithmetic operations | 6th Grade | Khan Academy
Ex: Determine the Reciprocal of Integers, Fractions, and Mixed Numbers
This video explains how to determine the reciprocal of various rational numbers.
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Do Reciprocal Links Hurt Your SEO? (Link Building Study)
Do reciprocal links hurt your organic rankings? We studied 140,592 domains to find out and share our findings in this video. *************************************** Additional Link Building Tutorials and Resources Link Building Tutorials ►https://www.youtube.com/watch?v=Ovu2ZYWgOJQ&list=
From playlist Link Building Tutorials (Step-By-Step)
In this lecture we look at how we evaluate ranked retrieval results with common IR metrics. Slides & transcripts are available at: https://github.com/sebastian-hofstaetter/teaching 📖 Check out Youtube's CC - we added our high quality (human corrected) transcripts here as well. Slide Tim
From playlist Advanced Information Retrieval 2021 - TU Wien
Evaluation Measures for Search and Recommender Systems
In this video you will learn about popular offline metrics (evaluation measures) like Recall@K, Mean Reciprocal Rank (MRR), Mean Average Precision@K (MAP@K), and Normalized Discounted Cumulative Gain (NDCG@K). We will also demonstrate how each of these metrics can be replicated in Python.
From playlist Recommended
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Evaluating ranking Mean average precision (MAP) Mean reciprocal rank (MRR) How to select the right metric?
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Dimitri Shlyakhtenko: Free probability of type B and asymptotics of finite-rank perturbations ...
Find this video and other talks given by worldwide mathematicians on CIRM's Audiovisual Mathematics Library: http://library.cirm-math.fr. And discover all its functionalities: - Chapter markers and keywords to watch the parts of your choice in the video - Videos enriched with abstracts, b
From playlist Analysis and its Applications
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From playlist Nov 2013 P1
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Session 2, Reading 8 (Part 1): Statistics is broadly either descriptive (aka, exploratory data analysis, EDA) or inferential (e.g., making predictions or forecasts). There is generally only one defined population and descriptive measures of the population are called parameters (and denoted
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