Georges G. Grinstein,Haim Levkowitz: Perceptual Issues in Visualization
Description
With the increase in the amount and dimensionality of scientific data collected, new approaches to the design of displays of such data have become essential. The designers of visual and auditory displays of scientific data seek to harness perceptual processes for data exploration. The general aim is to provide ways for raw data, and the statistical and mathematical structures they comprise, to "speak for themselves" and, thereby, enable scientists to conduct exploratory, in addition to confirmatory analyses of their data. The present primary approach via visualization depends mainly on coding data as positions of visually distinguishable elements in a two- or three- dimen- sional euclidean space, e.g., as discrete points comprising clusters in scatter-plot displays and as patches comprising the hills and valleys of statistical surfaces. These displays are immensely effective because the data are in a form that evokes natural perceptual processing of the data into impressions of the presence and spatial disposition of apparent materials, objects, and structures in the viewers apparent physical environment. The problem with this mode of display, however, is that its perceptual potency is largeiy exhausted at dimension three, while we increasingly face the need to explore data of much greater dimensionality. The challenge posed for visualization researchers is to develop new modes of display that can push the dimensionality of data displays higher while retaining the kind of perceptual potency needed for data exploration.
This book tells the inside story of each of the major scares of the past two decades, showing for the first time how they have followed a remarkably consistent pattern.From salmonella in eggs to BSE, from the Millennium Bug to bird 'flu, from DDT to passive smoking, from asbestos to global warming, 'scares' have become one of the most conspicuous and damaging features of our modern world.It analyses the crucial role played in each case by scientists who have misread or manipulated the evidence; by the media and lobbyists who eagerly promote the scare without regard to the facts; and finally by the politicians and aofficials who come up with an absurdly disproportionate response, leaving us all to pay a colossal price, which may run into billions or even hundreds of billions of pounds.The book culminates in a chillingly detailed account of the story behind what it shows has become the greatest scare of them all: the belief that the world faces disaster through man-made global warming. In an epilogue the authors compare our credulity in falling Realidades Leveled Vocabulary and Grammar Workbook, Level 2 ebook pdf for scares to mass-hysterias of previous ages such as the post-mediaeval 'witch craze', describing our time as a 'new age of superstition'.
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Author: Georges G. Grinstein,Haim Levkowitz
Number of Pages: 165 pages
Published Date: 13 Dec 2011
Publisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Publication Country: Berlin, Germany
Language: English
ISBN: 9783642790591
Download Link: Click Here
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