Given a scatterplot with tens of thousands points or even more, natural question is which sampling method should be used to create small but “good” for better abstraction. We present the results user study that investigates influence different strategies on multi-class scatterplots. The main goal this understand capability methods in preserving density, outliers, and overall shape scatterplot. ...

clinical research usually involves patients with a certain disease or a condition. the generalizability of clinical research findings is based on multiple factors related to the internal and external validity of the research methods. the main methodological issue that influences the generalizability of clinical research findings is the sampling method. in this educational article, we are explai...