An endogenous variable is a variable in a statistical model that is changed or determined by its relationship with other variables within the model.

The use of instrumental variables regression in political science has evolved from an obscure technique to a staple of the political science tool kit. Yet the surge of interest in the instrumental ...

Rajiv D. Banker, Richard C. Morey, The Use of Categorical Variables in Data Envelopment Analysis, Management Science, Vol. 32, No. 12 (Dec., 1986), pp. 1613-1627 ...

How do Cepheid variables indicate distance? Roger Brady Tamal, California Cepheid variables are a type of star that undergo regular pulsations. The length of a Cepheid’s pulsations is always ...

It is a good way to show a relationship between two variables. Perhaps unsurprisingly, the people we surveyed who were most likely to interpret our scatterplot example correctly were the college ...