The French firm Vectral is now offering a high-speed, linear-measurement system for demanding industrial environments. Available in both linear encoder and electronic tape-measure formats, ...

Recently developed methods for power analysis expand the options available for study design. We demonstrate how easily the methods can be applied by (1) reviewing their formulation and (2) describing ...

Time series data are often subject to measurement error, usually the result of needing to estimate the variable of interest. Although it is often reasonable to assume ...