Fourier Analysis. Analysis, Cyclic . Analysis, Fourier . Cyclic Analysis . Analyses, Cyclic . Cyclic Analyses . Series, Fourier . Transform, Fourier . Fourier Series . Fourier Transform . Analysis based on the mathematical function first formulated by Jean-Baptiste-Joseph Fourier in 1807. The function, known as the Fourier transform, describes the sinusoidal pattern of any fluctuating pattern in the physical world in terms of its amplitude and its phase. It has broad applications in biomedicine, e.g., analysis of the x-ray crystallography data pivotal in identifying the double helical nature of DNA and in analysis of other molecules, including viruses, and the modified back-projection algorithm universally used in computerized tomography imaging, etc. (From Segen, The Dictionary of Modern Medicine, 1992) . 1.00
/analysis. /assay . /chemical analysis . /determination . Used for the identification or quantitative determination of a substance or its constituents and metabolites; includes the analysis of air, water, or other environmental carrier. It excludes the chemical analysis of tissues, tumors, body fluids, organisms, and plants for which "chemistry" is used. The concept applies to both methodology and results. For analysis of substances in blood, cerebrospinal fluid, and urine the specific subheading designating the fluid is used. . 0.68
Factor Analysis, Statistical. Analysis, Factor . Analysis, Statistical Factor . Factor Analysis . Statistical Factor Analysis . Analyses, Factor . Analyses, Statistical Factor . Factor Analyses . Factor Analyses, Statistical . Statistical Factor Analyses . A set of statistical methods for analyzing the correlations among several variables in order to estimate the number of fundamental dimensions that underlie the observed data and to describe and measure those dimensions. It is used frequently in the development of scoring systems for rating scales and questionnaires. . 0.60
Food Analysis. Analysis, Food . Analyses, Food . Food Analyses . Bromatology . Measurement and evaluation of the components of substances to be taken as FOOD. . 0.59
Meta-Analysis. Meta-Analysis [Publication Type] . Works consisting of studies using a quantitative method of combining the results of independent studies (usually drawn from the published literature) and synthesizing summaries and conclusions which may be used to evaluate therapeutic effectiveness, plan new studies, etc. It is often an overview of clinical trials. It is usually called a meta-analysis by the author or sponsoring body and should be differentiated from reviews of literature. . 0.54
