negative test
91Augmented Dickey-Fuller test — In statistics and econometrics, an augmented Dickey Fuller test (ADF) is a test for a unit root in a time series sample. It is an augmented version of the Dickey Fuller test for a larger and more complicated set of time series models.The… …
92Dickey-Fuller test — In statistics, the Dickey Fuller test tests whether a unit root is present in an autoregressive model. It is named after the statisticians D. A. Dickey and W. A. Fuller, who developed the test in the 1970s. Explanation A simple AR(1) model is: y… …
93Venereal Disease Research Laboratory test — A blood test for syphilis. Venereal Disease Research Laboratory is commonly abbreviated VDRL. A negative ( nonreactive ) VDRL is compatible with a person not having syphilis. However, a person may a negative VDRL and still have syphilis since, in …
94Gram-negative bacteria — Microscopic image of Gram negative Pseudomonas aeruginosa bacteria (pink red rods). Gram negative bacteria are bacteria that do not retain crystal violet dye in the Gram staining protocol.[1] In a Gram …
95Indole test — The indole test is a biochemical test performed on bacterial species to determine the ability of the organism to split indole from the amino acid tryptophan. This division is performed by a chain of a number of different intracellular enzymes, a… …
96Indian Head test card — The Indian Head Test Card was a black and white television test pattern which was introduced in 1939 by RCA of Harrison, New Jersey as a part of the RCA TK 1 Monoscope. 20th century television later became so important socially that this purely… …
97Coombs test — Diagnostics MeSH D003298 Coombs test (also known as Coombs test, antiglobulin test or AGT) refers to two clinical blood tests used in immunohematology and immunology. The t …
98Parametrischer Test — Die Artikel Statistischer Test und Signifikanztest überschneiden sich thematisch. Hilf mit, die Artikel besser voneinander abzugrenzen oder zu vereinigen. Beteilige dich dazu an der Diskussion über diese Überschneidungen. Bitte entferne diesen… …
99Gold standard (test) — For other uses, see Gold standard (disambiguation). In medicine and statistics, gold standard test refers to a diagnostic test or benchmark that is the best available under reasonable conditions. It does not have to be necessarily the best… …
100McNemar's test — In statistics, McNemar s test is a non parametric method used on nominal data. It is applied to 2 × 2 contingency tables with a dichotomous trait, with matched pairs of subjects, to determine whether the row and column marginal… …
