New theory promises faster, more accurate predictions of chemical reaction energetics

Researchers at the University of Illinois Urbana-Champaign have developed a new theoretical framework that could dramatically ...
EDN

Basic design equations for three precision current sources

Many precision current source designs are available, but simple arithmetic for component values to tailor them for an ...

Surface-only superconductor is the strangest of its kind

Something strange goes on inside the material platinum-bismuth-two (PtBi₂). A new study by researchers at IFW Dresden and the ...
BBC

Parallel and perpendicular lines

The graphs above, \(y = 2x + 1\) and \(y = 2x - 2\) have the same gradient of 2. The lines are parallel. State the equation of a line that is parallel to \(y = 3x + 7\). To be parallel, two lines must ...
GitHub

SciMLTutorials.jl: Tutorials for Scientific Machine Learning and Differential Equations

To view the SciML Tutorials, go to tutorials.sciml.ai. By default, this will lead to the latest tagged version of the tutorials. To see the in-development version of the tutorials, go to ...
GitHub

This file runs through an example of multiple imputation using chained equations (MICE) and mediation analysis in R. The dataset (airquality) is already built into R.

There was an error while loading. Please reload this page. This file runs through an example of multiple imputation using chained equations (MICE) and mediation ...
BMJ

8. The Chi squared tests

The distribution of a categorical variable in a sample often needs to be compared with the distribution of a categorical variable in another sample. For example, over a period of 2 years a ...