We conducted a case study of a very large telecommunications system. Tree models built by the Classification And Regression Trees (CART) algorithm illustrated the potential benefits of preprocessing data with principal components analysis.Ruqun Shan...
Plants of the genus Opuntia are perennial shrubs, trees, and creeping plants that prefer a dry, hot climate. Prickly pear can grow 5 to 8 m in height; its roots are shallow, but the plant can spread up to 40 m in diameter over the ground. The stems are branched, the leaves are ...
RE does not make curtailment any less of a problem. If anything, inherent RE variability exacerbates the complexity of matching supply to demand: solar peaks midday, wind peaks whenever the wind blows, but usage peaks when the workday ends, as workers return home, cook dinner, watch TV, and...
In the literature on local governance, elite capture is generally portrayed as a pernicious problem for community-based initiatives and programs (Platteau, 2004; Persha and Andersson, 2014), yet some scholars caution that certain forms of elite capture may also benefit the wider community (Dasgupta...
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In a study, the UPLC-ELSD was used for analysis of free sugars. The overall amount of free sugar in defatted fruit pulp was estimated to be 31.59% dry weight (DW). The remaining portion consisted of maltose (0.57%), rhamnose (0.24%), and sucrose (0.13%). Notably, the wood apple ...
(US$9.4 billion), with costs in other years between US$4 billion and US$7 billion. The damages to plantation crops and natural forest made up the majority of these losses (Fig.1). In using one value for each land use, consumer and producer surplus have not been considered, and the ...
(2005) concluded that trees in the lot or immediate neighborhood could serve as substitutes for living near large woodlots. Despite the substantial amount of research, little information is available on how increasing the area of urban recreational parks will be capitalized in the real estate ...
Decision treesare used to classify or predict an outcome based on a set list of criteria or decisions. A decision tree is used to ask for the input of a series of cascading questions that sort the dataset based on the responses given. Sometimes depicted as a tree-like visual, a decision ...
摘要: In their keynote contribution, Truscott and Sharwood Smith offer a general model of language development from a processing perspective. As they state, their model is very ambitious: Their关键词: Comprehension Linguistics Cognitive Processes Language Acquisition Psycholinguistics Cost Effectiveness DOI...