Preparation and Evaluation of Co-Doped FeS/C Composites for Lithium Storage.

FeS has a high theoretical capacity (663 mAh g) and can be prepared at a low cost, making it advantageous for production. However, FeS has two disadvantages as a lithium-ion battery anode material. The first is that the conductivity of FeS is not good.

ROC Analyses Based on Measuring Evidence Using the Relative Belief Ratio.

ROC (Receiver Operating Characteristic) analyses are considered under a variety of assumptions concerning the distributions of a measurement in two populations. These include the binormal model as well as nonparametric models where little is assumed about the form of distributions. The methodology is based on a characterization of statistical evidence which is dependent on the specification of prior distributions for the unknown population distributions as well as for the relevant prevalence of the disease in a given population.