More than one correlation coefficient can be computed between two variables when the data can be organized into subsets determined by one or more grouping factors. This paper discusses the ...

A group of researchers from the University of Helsinki have carried out the first globally comprehensive analysis of the use and distribution of body-based units of measure. By analysing digital ...

In the age of big data, it is time to ensure that units are routinely documented for easy, unambiguous exchange of information. Robert Hanisch is the director of the Office of Data and Informatics at ...

Length, time and volume are all examples of quantities close quantityA property that can exist as a magnitude, usually with a numerical value. For example, speed (quantity) is measured in metres per ...