PCOZIGAM.dis {COZIGAM} | R Documentation |
PCOZIGAM.dis
fits a COZIGAM with proportional constraint for discrete zero-inflated exponential family
responses, e.g. Poisson and binomial distributions. If the regular exponential
family admits 0 as a possible realization with positive probability, the
EM algorithm is used in the estimation procedure.
PCOZIGAM.cts
fits a COZIGAM with proportional constraint
for continuous zero-inflated exponential family
responses. One of the two funcions is called from cozigam
automatically depending on the distribution family if
the argument constraint="proportional"
.
Hai Liu and Kung-Sik Chan
Liu, H and Chan, K.S. (2008) Constrained Generalized Additive Model with Zero-Inflated Data. Technical Report 388, Department of Statisics and Actuarial Science, The Unversity of Iowa. http://www.stat.uiowa.edu/techrep/tr388.pdf