Background: Stroke is a prevalent cause of disability in adults. The fall is the most common balance and motor impairments, which affects the quality of life in stroke patients. This study aims to employ random effects hurdle model for evaluating the balance improvement in stroke patients under the occupational therapy. Methods: In this longitudinal study with repeated measurement during on...

Platform businesses add value by facilitating interactions between customers who are attracted in part by network externalities. Two-sided platform businesses with low costs of reversing participation status have become more important with the rise of the internet. This essay is concerned with new businesses of this sort and with the initial critical mass hurdle that they generally seem to face...

‎an  oriented perfect path double cover (oppdc) of a‎ ‎graph $g$ is a collection of directed paths in the symmetric‎ ‎orientation $g_s$ of‎ ‎$g$ such that‎ ‎each arc‎ ‎of $g_s$ lies in exactly one of the paths and each‎ ‎vertex of $g$ appears just once as a beginning and just once as an‎ ‎end of a path‎. ‎maxov{'a} and ne{v{s}}et{v{r}}il (discrete‎ ‎math‎. ‎276 (2004) 287-294) conjectured that ...

Regression models for counts could be applied to the earth sciences, for instance when studying trends of extremes of climatological quantities. Hurdle models are modified count models which can be regarded as mixtures of distributions. In this paper, hurdle models are applied to model the sums of lengths of periods of high temperatures. A modification to the common versions presented in the li...

Panel data on Ghanaian manufacturing firms are used to test predictions from models of irreversible investment under uncertainty. Information on the entrepreneur’s subjective probability distribution over future demand for the firm’s products is used to construct the expected variance of demand, which is used as a measure of uncertainty. Empirical results support the prediction that firms wait ...

The rapid expansion of rubber plantations in Asian countries has led to various environmental problems. Therefore, local governments are implementing plantation ecological restoration (RPER) programs as an essential solution. However, such can be implemented only if residents intensely involved. Based on a survey 521 urban households Hainan Province, China, this study investigates the effect aw...

Land recuperation is an important institutional guarantee for green agricultural development and measure to promote rural revitalization. Asset specificity a crucial factor that affects farmers’ subsequent willingness participate in land recuperation. Based on the perspective of farmer differentiation, this study uses survey data 605 farmers four counties Gansu Province employs entropy method d...

Green development of agriculture is inevitable to meet the objective demand rural ecological environment protection and high-quality agricultural development. Livelihood capital basic condition for farmers carry out activities production management, while cognition direct motivation their behaviors. Based on field research data from 436 farm households in 4 counties Langao, Fuping, Mian, Yaozho...

It is generally agreed that the first black athlete to compete and win a medal in the Olympic Games was George Poage, an American, who was awarded a bronze medal in the 400m hurdle. It was 1904, the third modern Olympics since the games had been resurrected by Pierre de Coubertin in 1896. In the same afternoon, another AfricanAmerican, Joseph Stadler, received a silver medal for the high jump e...