Which Joe gave his name to ‘sloppy joes’? We look at five interesting sandwiches and their lexical origins.
The square root of the arithmetic mean of the squares of a set of values.
- ‘Then the square root of the sum was taken to form a root mean square error.’
- ‘The average absolute error and the root mean square error are measures of forecasting accuracy.’
- ‘The correlation coefficient between predicted and actual total crop machinery costs and root mean square error will be used to measure the relative predictive accuracy of the models.’
- ‘The root mean square (similar to area under a curve) or power is then calculated for each of the frequency bands.’
- ‘Whether the reader chooses to look at ratios of mean absolute errors or root mean square errors depends on his or her loss function.’
We take a look at several popular, though confusing, punctuation marks.
From Afghanistan to Zimbabwe, discover surprising and intriguing language facts from around the globe.
The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.