News

Examining exams using Rasch models and assessment of measurement invariance

Models from psychometric item response theory are used to analyze the results from a large introductory mathematics exams in order to gain insights about student abilities, question difficulties, and heterogeneities of these in subgroups. Read more ›

More articles

• Modeling loss aversion with extended-support beta regression
• Extended-support beta regression for [0, 1] responses
• colorspace: A Python toolbox for colors and palettes
• More ›

12:45, restate my assumptions:

1. Mathematics is the language of nature.
2. Everything around us can be represented and understood through numbers
3. If you graph these numbers, patterns emerge.

Therefore: There are patterns everywhere in nature.
Pi (1998)