منابع مشابه
Damped Seasonality Factors: Introduction
Previous research has shown that seasonal factors provide one of the most important ways to improve forecast accuracy. For example, in forecasts over an 18-month horizon for 68 monthly economic series from the MCompetition, Makridakis et al. (1984, Table 14) found that seasonal adjustments reduced the MAPE from 23.0 to 17.7 percent, an error reduction of 23%. On the other hand, research has als...
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Although broad links between climatic factors and coccidioidomycosis have been established, the identification of simple and robust relationships linking climatic controls to seasonal timing and outbreaks of the disease has remained elusive. Using an adaptive data-oriented method for estimating date of exposure, in this article I analyze hypotheses linking climate and dust to fungal growth and ...
متن کاملDamped oscillations of linear systems — a mathematical introduction
Springer To my wife. viii Foreword The theory of linear damped oscillations has been studied for more than hundred years and is still of vital interest to researchers in Control Theory, Optimization, and computational aspects. This theory plays a central role in studying the stability of mechanical structures, but it has applications to other fields such as electrical network systems or quantum...
متن کاملIntroduction: Factors influencing corneal hydration
The swelling of the corneal buttons in aqueous solution can be prevented by adding high molecular weight solutes to the bathing medium. In appropriate concentrations of these colloidal substances the button can be dehydrated, a matter of some significance in clinical situations. Swelling of the cornea in the intact eye in vitro can be similarly prevented. The suggestion is made that swelling is...
متن کاملIntroduction: Factors in Language Learnability
Recent theories suggest that language acquisition is assisted by the evolution of languages towards forms that are easily learnable. In this paper, we evolve combinatorial languages which can be learned by a recurrent neural network quickly and from relatively few examples. Additionally, we evolve languages for generalization in different "worlds", and for generalization from specific examples....
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ژورنال
عنوان ژورنال: International Journal of Forecasting
سال: 2004
ISSN: 0169-2070
DOI: 10.1016/j.ijforecast.2004.03.001