The conventional Wilcoxon/Mann-Whitney test can be invalid for comparing treatment effects in the presence of missing values or in observational studies. This is because the missingness of the outcomes or the participation in the treatments may depend on certain pre-treatment variables. We...

Based on the current situation of ecological environment of agriculture in Tianjin City, we divide the ecological service function of urban modern agriculture in Tianjin City into seven types: air regulation, climate regulation, water conservation, soil formation and protection, waste disposal,...

Malaria remains a major epidemiological problem in many developing countries. Malaria is dened as the presence of parasites and symptoms (usually fever) due to the parasites. In endemic areas, an individual may have symptoms attributable either to malaria or to other causes. From a clinical...

Using multifractal detrended cross-correlation analysis (MF-DCCA), this paper studies cross-correlations between Chinese Renminbi (RMB) onshore and offshore markets. The dataset consists of 2,137 closing daily prices of exchange rates from 1 January 2005 to 9 July 2013, which covers seven major...