Dispersion

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Dispersion

In statistics, the placement of data points along a chart relative to an average or mean line. Dispersion is important to finance as the data points of say, a stock, determine the mean, which in turn helps determines the stock's trend. Dispersion is also used to determine volatility: data points all over the chart indicate that a stock has wild fluctuation in price.
References in periodicals archive ?
Chromatic Aberration also plays with scale but is more about inner vision and perceptual mechanisms.
Researchers, from the Fraunhofer Institute for Photonic Microsystems (IPMS) in Germany, are currently working to make it possible to capture images free from chromatic aberration in a number of spectral ranges using a single system.
These special apochromatic lenses correct specifically for color and dramatically reduce chromatic aberration.
Such aberrations include curvature of field, spherical aberration, lateral chromatic aberration, distortion and coma.
The magnitude of this lateral (x-y) and axial (z) chromatic aberration varies with different microscope systems, particularly with different microscope objectives, but under typical, low-magnification imaging conditions, the apparent displacement can be up to several microns.
To suppose that the eye, with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of spherical and chromatic aberration, could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree," he wrote in On the Origin of Species.
Chromatic aberration is suppressed across the entire lens surface, enabling sharp images with minimal distortion at any object distance.
Also, three ED (Extra-low Dispersion) glass elements employed in each tube compensate for chromatic aberration that can cause colour fringing, realising a contrast-rich and high-resolution view.
Digital Foundry approximates the visual quality of the console versions to be around "the PC's mid-point in terms of overall quality--with extras like velocity-based motion blur, chromatic aberration, bloom, and light shafts all engaged.
The new optical design, UD lenses, and super UD lenses, significantly reduce the magnification-type chromatic aberration.
The Mangin corrects for the chromatic aberration of the single-element objective.
5) Also it has been suggested further that the reported appearances of some colour TLP could result from spectral dispersion in Earth's atmosphere, or telescopic optics' chromatic aberration.