Reference Terms
from Wikipedia, the free encyclopedia
Correlation
In probability theory and statistics, correlation, also called correlation coefficient, indicates the strength and direction of a linear relationship between two random variables.
Note: The above text is excerpted from the Wikipedia article "Correlation", which has been released under the GNU Free Documentation License.
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Computers & Math News
December 17, 2024
Dec. 11, 2024 — An interdisciplinary team has created tiny bubble-like microrobots that can deliver therapeutics right where they are needed and then be absorbed by the ...
Dec. 4, 2024 — Since the 1960s, scientists who study X-rays, lightning and similar phenomena have observed something curious: In lab experiments replicating these occurrences, electrons accelerated between two electrodes can be of a higher energy than the voltage ...
Nov. 6, 2024 — Thin, flexible device could help people with visual impairments 'feel' surroundings. Device comprises a hexagonal array of 19 actuators encapsulated in soft silicone. Device only uses energy when actuators change position, operating for longer ...
Oct. 23, 2024 — Researchers have used artificial intelligence to design thousands of new DNA switches that can precisely control the expression of a gene in different cell types. Their new approach opens the possibility of controlling when and where genes are ...
Latest Headlines
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Dec. 17, 2024 — The quantum Hall effect, a fundamental effect in quantum mechanics, not only generates an electric but also a magnetic current. It arises from the ...
Dec. 17, 2024 — A new study has shown that employees are experiencing mental and physical techno-strain due to being 'hyperconnected' to digital technology making it difficult for people to switch off from ...
Dec. 17, 2024 — Digital health tools, such as patient portals, treatment apps and online appointment schedulers, are increasingly common. But not everyone is equally at home using ...
Dec. 17, 2024 — Infertility affects an estimated 186 million people worldwide, with fallopian tube obstruction contributing to 11%-67% of female infertility cases. ...
Dec. 17, 2024 — String theory remains elusive as a 'provable' phenomenon. But a team of physicists has now taken a significant step forward in validating string theory by using an innovative mathematical method that ...
Dec. 16, 2024 — Researchers have developed microchips using field-effect transistors that can detect multiple diseases from a single air sample with high sensitivity. The technology enables rapid testing and could ...
Dec. 16, 2024 — When analyzing artworks, understanding the visual clarity of compositions is crucial. Inspired by digital artists, researchers have created a metric to quantify clarity in digital images. As a ...
Dec. 16, 2024 — How does the Earth generate its magnetic field? While the basic mechanisms seem to be understood, many details remain unresolved. A team of researchers has introduced a simulation method that ...
Dec. 16, 2024 — A study is the first-of-its-kind to recognize American Sign Language (ASL) alphabet gestures using computer vision. Researchers developed a custom ...
Dec. 11, 2024 — DNA stores the instructions for life and, along with enzymes and other molecules, computes everything from hair color to risk of developing diseases. Harnessing that prowess and immense storage ...