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Researchers remove individually identifiable PHI from a dataset to preserve privacy for research participants. There are many forms of PHI, with the most common being physical storage in the form of paper-based personal health records (PHR). Other types of PHI include electronic health records, wearable technology, and mobile applications.
In statistics, the phi coefficient (or mean square contingency coefficient and denoted by φ or r φ) is a measure of association for two binary variables.. In machine learning, it is known as the Matthews correlation coefficient (MCC) and used as a measure of the quality of binary (two-class) classifications, introduced by biochemist Brian W. Matthews in 1975.
2,5-Dimethoxy-4-iodoamphetamine (DOI) is a psychedelic drug of the amphetamine and 4-substituted-2,5-dimethoxyamphetamine (DOx) families. [ 3 ] [ 4 ] DOI acts as a potent serotonin 5-HT 2 receptor agonist .
PHI-base has been aligned with Ensembl Genomes since 2011, FungiDB since 2016, and Global Biotic Interactions (GloBI) since 2018. [12] All new PHI-base releases are integrated by these independent databases. PHI-base is a resource for many applications including:
The Publisher Item Identifier (PII) is a unique identifier used by a number of scientific journal publishers to identify documents. [1] It uses the pre-existing ISSN or ISBN of the publication in question, and adds a character for source publication type, an item number, and a check digit.
A digital object identifier (DOI) is a unique persistent identifier to a published work, similar in concept to an ISBN. Wikipedia supports the use of DOI to link to published content. Where a journal source has a DOI, it is good practice to use it, in the same way as it is good practice to use ISBN references for book sources.
Reverse phi illusion is the kind of phi phenomenon that fades or dissolves from its positive direction to the displaced negative, so that the apparent motion human perceive is opposite to the actual physical displacement. Reverse phi illusion is often followed by black and white patterns.
It is sometimes referred to as base-φ, golden mean base, phi-base, or, colloquially, phinary. Any non-negative real number can be represented as a base-φ numeral using only the digits 0 and 1, and avoiding the digit sequence "11" – this is called a standard form .