Recent advances in survey sampling have underscored the value of auxiliary variables in estimating finite population means. By incorporating additional information from related variables, researchers ...

In the article that accompanies this editorial, Lu et al 5 conducted a systematic review on the use of instrumental variable (IV) methods in oncology comparative effectiveness research. The main ...

Research methods are a compulsory component of many undergraduate programmes. But it is challenging to design good questions for assessing students’ understanding of research methods in closed book ...

Soft measurement based on data-driven models is widely used to predict key variables in process industry due to low cost and real-time capability. However, these models struggle with noisy datasets ...