对网络上的相关财政信息进行采集、挖掘，进行情感分析，发现具有重大社会、政治、经济和民生影响的财经网络舆情热点话题，分析话题的传播路径以及挖掘关键结点，及时回应社会关
Markov Regime-Switching Generalized autoregressive conditional heteroskedastic(MRS-GARCH)model is a widely used approach to model the financial volatility w
It is becoming increasingly common for organizations to regularly forecast many thousands or even millions of time series.For example,manufacturing companie
目的 猕猴桃果胶(Actinidia pectin,AP)在体条件下,可有效加快模式雄性小鼠排便速度；显著增加小鼠离体肠段收缩频率,具有Ach 类似作用.本文试图探究AP 对M-AchR 表达、Ca2
在大数据时代里,人们处理的数据早已超出了传统的数值和文本,尤其在移动互联网的时代下,社交网络数据成了非常关键的数据来源。社交网络分析(Social Network Analysis,SN
Copula tail-dependence modeling with flexible marginal distributions is widely used in financial time series.Most of the available Copula approaches for est
In this talk we aim to solve an open problem raised by Jianqing Fan et al.in 2001,where convex l1-regularization(LASSO)causes bias in linear regression and
Polyetheretherketone(PEEK)is a kind of special engineering plastic possessing various merits such as strong chemical inertness,excellent electric insulation
A new method for the direct determination of total sulfur in lignitous coal by high-resolution continuum source absorption spectrometer using CS molecular a
目的 本研究旨在通过对珠海市60 岁及以上老年人血清中钙铁锌铜四种元素含量的测定和分析,掌握该市老年人群体内血清中与营养状态评价相关的四种元素的基本水平,进而为珠