Distance measures are used in physical cosmology to give a natural notion of the distance between two objects or events in the universe. They are often...
17 KB (2,495 words) - 02:23, 18 May 2024
theory, the total variation distance is a distance measure for probability distributions. It is an example of a statistical distance metric, and is sometimes...
6 KB (794 words) - 07:48, 15 May 2024
In aviation, distance measuring equipment (DME) is a radio navigation technology that measures the slant range (distance) between an aircraft and a ground...
18 KB (2,374 words) - 21:59, 27 July 2024
(for very short distances). The cosmic distance ladder is a set of ways of measuring extremely long distances. The straight-line distance between two points...
17 KB (2,224 words) - 20:00, 11 August 2024
distance measure denotes the distance that can be travelled by walking in a fixed amount of time. In Japan, the standard measure for walking distance...
1 KB (132 words) - 14:51, 25 October 2023
String metric (redirect from String distance measure)
(also known as a string similarity metric or string distance function) is a metric that measures distance ("inverse similarity") between two text strings...
8 KB (527 words) - 20:55, 12 August 2024
single definition of a similarity exists, usually such measures are in some sense the inverse of distance metrics: they take on large values for similar objects...
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single technique can measure distances at all ranges encountered in astronomy. Instead, one method can be used to measure nearby distances, a second can be...
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distance), which measures distance as the maximum of the distances in each coordinate. Taxicab distance (L1 distance), also called Manhattan distance...
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which is a measure of the amount of overlap between two statistical samples or populations. It is not a metric, despite being named a "distance", since it...
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The Mahalanobis distance is a measure of the distance between a point P {\displaystyle P} and a distribution D {\displaystyle D} , introduced by P. C...
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Kullback–Leibler divergence (redirect from Kullback-Leibler distance)
{\displaystyle D_{\text{KL}}(P\parallel Q)} , is a type of statistical distance: a measure of how one probability distribution P is different from a second...
72 KB (12,414 words) - 21:33, 10 July 2024
A tape measure or measuring tape is a flexible ruler used to measure length or distance. It consists of a ribbon of cloth, plastic, fibre glass, or metal...
23 KB (2,927 words) - 23:09, 13 June 2024
single technique can measure distances at all ranges encountered in astronomy. Instead, one method can be used to measure nearby distances, a second can be...
26 KB (3,394 words) - 02:54, 14 March 2024
comoving distance and proper distance (or physical distance) are two closely related distance measures used by cosmologists to define distances between...
18 KB (2,447 words) - 19:26, 7 June 2024
distances are not directly related to measures of distances between probability measures. Again, a measure of distance between random variables may relate...
6 KB (643 words) - 17:20, 5 March 2024
Genetic distance is a measure of the genetic divergence between species or between populations within a species, whether the distance measures time from...
39 KB (4,749 words) - 04:22, 4 August 2024
During the COVID-19 pandemic, social distancing measures were implemented nearly worldwide in order to slow the spread of the disease. This article details...
51 KB (3,605 words) - 19:46, 14 August 2024
study of open quantum systems, the trace distance T is a metric on the space of density matrices and gives a measure of the distinguishability between two...
9 KB (1,682 words) - 02:45, 13 February 2023
Jaro–Winkler similarity is a string metric measuring an edit distance between two sequences. It is a variant of the Jaro distance metric (1989, Matthew A. Jaro) proposed...
9 KB (1,221 words) - 23:08, 28 March 2024
Content-based image retrieval (redirect from Image distance measure)
image and an image from the database) is using an image distance measure. An image distance measure compares the similarity of two images in various dimensions...
29 KB (3,070 words) - 09:30, 31 July 2024
Tachymeter (watch) (section Measuring distance)
second-defined period, such as speed (distance over hours) based on travel time (distance over speed), or measure distance based on speed. The spacings between...
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In mathematics, the Hausdorff distance, or Hausdorff metric, also called Pompeiu–Hausdorff distance, measures how far two subsets of a metric space are...
12 KB (1,861 words) - 23:15, 26 June 2024
Semantic similarity (redirect from Measures of semantic relatedness)
features of the entities, such as using the Levenshtein distance to measure the edit distance between entity labels. However, it is difficult to capture...
38 KB (4,216 words) - 00:39, 26 March 2024
In mathematics, the Fréchet distance is a measure of similarity between curves that takes into account the location and ordering of the points along the...
15 KB (1,884 words) - 19:19, 13 May 2024
In mathematics (specifically in measure theory), a Radon measure, named after Johann Radon, is a measure on the σ-algebra of Borel sets of a Hausdorff...
19 KB (2,697 words) - 09:42, 25 July 2024
In public health, social distancing, also called physical distancing, is a set of non-pharmaceutical interventions or measures intended to prevent the...
100 KB (9,049 words) - 19:14, 17 August 2024
Parsec (section Distances in parsecs)
The parsec (symbol: pc) is a unit of length used to measure the large distances to astronomical objects outside the Solar System, approximately equal...
28 KB (3,278 words) - 14:28, 29 July 2024
accuracy of a regression. Cook's distance measures the effect of deleting a given observation. Points with a large Cook's distance are considered to merit closer...
22 KB (3,639 words) - 07:37, 12 August 2024
characteristic distance, is a unit of measure in astronomy. More technically, it is the semi-major axis of the geocentric lunar orbit. The lunar distance is on...
40 KB (4,225 words) - 01:45, 17 August 2024