Medical dictionary. 2011.
Alpha particle — Alpha particles (named after and denoted by the first letter in the Greek alphabet, α) consist of two protons and two neutrons bound together into a particle identical to a helium nucleus; hence, it can be written as He2+ or 42He2+. They are a… … Wikipedia
Alpha Centauri — This article is about α Centauri . For a Centauri , see V761 Centauri. For A Centauri , see A Centauri. For other uses, see Alpha Centauri (disambiguation). Alpha Centauri A[1]/B[2] … Wikipedia
Alpha Risk — The risk in a statistical test that a null hypothesis will be rejected when it is actually true. This is also known as a Type I error. The best way to decrease alpha risk is to increase the size of the sample being tested with the hope that the… … Investment dictionary
Alpha Arietis — α Arietis α Arietis shown in its constellation, Aries. Observation data Epoch J2000.0 Equinox J2000.0 ( … Wikipedia
Alpha Comae Berenices — This article is about the star called Diadem; for alternate meanings, see Diadem. α Comae Berenices Coma Berenices constellation … Wikipedia
Alpha error — The statistical error (said to be "of the first kind" or type I) made in testing an hypothesis when it is concluded that a result is positive when it really is not. Alpha error is often referred to as a false positive. * * * Type I e … Medical dictionary
Alpha Trianguli — α Trianguli Observation data Epoch J2000.0 Equinox J2000.0 Constellation Triangulum Right ascension 01h 53m 04.9s Declination +29° 34 44 … Wikipedia
Alpha max plus beta min algorithm — The alpha max plus beta min algorithm is a high speed approximation of the square root of the sum of two squares. That is to say, it gives the approximate absolute magnitude of a vector given the real and imaginary parts.: |V| = sqrt{ I^2 + Q^2 } … Wikipedia
alpha equation — regression usually run over 36 60 months of data: Return Treasury bill= alpha + beta ( S&P 500 Treasury bill) + error. The alpha is the intercept. Note that the benchmark does not necessarily have to be the S&P 500. A mutual fund specializing in… … Financial and business terms
Error correction code — Code correcteur Un code correcteur est une technique de codage basée sur la redondance. Elle est destinée à corriger les erreurs de transmission d une information (plus souvent appelée message) sur une voie de communication peu fiable. La théorie … Wikipédia en Français
