Essays about: "Yimeng Liu"

Found 2 essays containing the words Yimeng Liu.

1. 1. The challenges and solutions of Inventory management in Chinese food supply chains during the Covid-19 Pandemic

   University essay from

   Author : Xingyu Liu; Yimeng Ma; Yushan Wu; [2021]
   Keywords : The Covid-19 pandemic; Food supply chain; Supply chain management; Logistic management; Inventory management.;

   Abstract : At the end of the 2019 year, the outbreak of the Covid-19 pandemic changes human life. People have to change their way to be more safer for working and producing. For most industries, the impact of the Covid-19 pandemic is huge. The number of active labor and the order is decreased, moreover, the inventory management issues appeared in this time. READ MORE

3. 2. Choice of Measurements for Comparisons between Counties and the Country

   University essay from Statistiska institutionen

   Author : Yimeng Liu; [2012]
   Keywords : Relative risk reduction; Odds ratio; Standard scores method;

   Abstract : The Swedish Association of Local Authorities and Regions (SALAR) and the Swedish National Board of Health and Welfare (NBHW) have published a yearly report called “Open Comparisons of Quality and Efficiency in Swedish Health Care –Regional Comparisons” since the year 2006 to compare medical outcomes, patient experience, availability and costs among hospitals and counties. In this paper, inspired by the region profiles attached to the report, we describe several possible measurement methods for comparing dichotomous data: Risk Difference (RD), Relative Risk (RR), Relative Risk Reduction (RRR) and Odds Ratio (OR), mainly by using a geometric approach as a basis for further discussion. READ MORE