We show that overall economic productivity is non-linear in temperature for all countries, with productivity peaking at an annual average temperature of 13 °C and declining strongly at higher ...

Tasks that test conservation of equation and function under transformations of variable illustrate an extension of Piaget's conservation methodology to relational concepts. Less than half of the 30 ...

Some Theory for Fisher's Linear Discriminant Function, 'Naive Bayes', and Some Alternatives When There Are Many More Variables than Observations Peter J. Bickel and Elizaveta Levina ...

Here are some mathematicians’ selections of the most beautiful math equations, as well as their own words on what factors make them so exquisite. Loewner Differential Equation ...

Application When the relationship between cost and certain variables is linear, accountants develop an equation for calculating future costs based on the value of the associated variables.

Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007. Linear equations allow you to predict values within your data set and view the overall trend.

Adjustment for race is discouraged in lung-function testing, but the implications of adopting race-neutral equations have not been comprehensively quantified.