One of the most useful tools for handling multivariate distributions with givenunivariatemarginals is the copula function. Using it, any multivariate distribution function can be represented in a way that emphasizes the separate roles of the marginals and of the dependence structure. The goal of...

Rapeseed pests will result in a rapeseed production reduction. The accurate identification of rapeseed pests is the foundation for the optimal opportunity for treatment and the use of pesticide pertinently. Manual recognition is labour-intensive and strong subjective. This paper propsed a image...

Since the 1980s, China has been undertaking a transition from a centrally planned economy to a market economy through decentralisation, giving local states more decision-making power and providing incentives to apply entrepreneurial policies. This policy has been successful in terms of economic...