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This book introduces the novel artificial intelligence technique of polymodels and applies it to the prediction of stock returns. The idea of polymodels is to describe a system by its sensitivities to an environment, and to monitor it, imitating what a natural brain does spontaneously. In practice this involves running a collection of non-linear univariate models. This very powerful standalone technique has several advantages over traditional multivariate regressions. With its easy to interpret results, this method provides an ideal preliminary step towards the traditional neural network approach. The first two chapters compare the technique with other regression alternatives and introduces ...
"Best-selling court cases in eighteenth-century France provide ample evidence of a certain emancipation of women. Certain in the sense of tentative, qualified: women won their cases in surprising numbers yet were represented by their lawyers via limiting stereotypes. Certain also in the sense of sure: lawyers and editors contributed to a liberatory moment, particularly in the two decades leading up to the radical phase of the French Revolution, in which late eighteenth-century constructions of female citizenship offered virtuous women, regardless of rank or even race, "strategic possibilities" for establishing modern identities - defined as self-creating, autonomous, and capable of moral jud...
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A researcher trying to predict or interpret spectra of transition metal ionsin possible laser host materials is confronted with a variety of different methods of describing the same physical situation. This book provides a systematic approach to the applied theory of crystal-field interactions of transition metal ions in 49 crystalline hosts that are or show promise of being good laser materials. The tables that make up the main part of the book present the experimentally determined parameters of the 3dN, 4dN, and 5dN transition-metal ions in the second, third, and fourth ionization states. These parameters have been converted to Slater and crystal-field parameters. The book is a source for research workers in laser development and in crystal-field theory, and for graduate students of solid state chemistry and physics.
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