TY  - JOUR
PY  - 1990//
TI  - A Markov chain model of extrabinomial variation
JO  - Biometrika
A1  - Rudolfer, Stephan M.
SP  - 255
EP  - 264
VL  - 77
IS  - 2
N2  - This paper studies the properties of a {0, 1}-state Markov chain model of extrabinomial variation. If n is even, the Markov chain binomial model is always overdispersed relative to the binomial model with parameters n and p, while if n is odd, it may be over- or underdispersed relative to the binomial model. Expressions for the likelihood and variance functions are obtained, and for n=3, the Markov chain binomial model is compared with the additive and multiplicative binomial models of Altham (1978), as well as to the beta-binomial model.<p /> 
LA  - 
SN  - 0006-3444
UR  - http://dx.doi.org/10.1093/biomet/77.2.255
ID  - ref1
ER  -