基于粗集理论开发的数据挖掘程序-毕业论文网 关键词 关联规则 数据挖掘 多因素 粗集 依赖度 [gap=1051]Keywords association rule, data mining, multi-factor, rough sets, dependence degree
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Dependence Degree of Debt 债务依存度
Dependence Degree of Trade 依存度
debt dependence degree 债务依存度
loose dependence degree 松散依赖度
hiding dependence degree 隐藏依赖度
Foreign Dependence Degree 对外商业依存度
external dependence degree 对外依存度
dependence degree on tourism 对旅游的依赖程度
The direct demonstration of tables and figures shows that the gap between China oil's supply and demand in the future will continue enlarging and China oil foreign dependence degree tends to rise.
通过大量数据图表的直观实证分析得出,我国未来供需缺口仍将继续增大,石油对外贸易依存度呈上升趋势。 借助石油供需函数以及石油价格变动模型的引入,得出油价仍保持高位运行。
参考来源 - 新时期对我国石油贸易的思考 （研究生论文）This paper discovers the limitations of representation formula in the traditional dependence degree in RS, and presents an improved representation formula to dependence degree.
该文发现了粗集中传统依赖度表示方法的局限性,提出一种改进的依赖度表示方法,更能体现决策属性对某条件属性的依赖程度。
参考来源 - 关于属性间依赖度表示方法的探讨 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
The lack of external dependence degree for depicting the economic secure is analyzed and the notion of fine depicting is put out.
文章分析了对外依存度刻画经济安全的不足，给出了精细刻画的思路。
At present, China ranks second in the world in petroleum consumption only next to America. Its dependence degree on oil import reached some 47% in 2006.
目前我国是仅次于美国的第二大石油消费国，2006年石油对外依存度已达47%左右。
Economic dependence degree between adjacent community and nature reserve was studied, taking the Zhangjiangkou Mangrove Forestry National nature reserve as an example.
以漳江口红树林国家级自然保护区为例，研究周边社区经济对自然保护区资源的依赖程度。
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