Skip to main content
. Author manuscript; available in PMC: 2016 May 20.
Published in final edited form as: Stat Med. 2015 Feb 5;34(11):1818–1833. doi: 10.1002/sim.6454

Table 1.

Four types of distributions of X1 and X2.

Notation Type Distribution
Cont Continuous Standard normal
Ord4 Ordinal Discrete uniform with 4 levels
Cat3 Categorical Discrete uniform with 3 levels
Cat7 Categorical Discrete uniform with 7 levels