rzi {mpath} | R Documentation |
random number generation of zero-inflated count response
Description
random number generation of zero-inflated count response
Usage
rzi(n, x, z, a, b, theta=1, family=c("poisson", "negbin", "geometric"), infl=TRUE)
Arguments
n |
sample size of random number generation |
x |
design matrix of count model |
z |
design matrix of zero model |
a |
coefficient vector for |
b |
coefficient vector for |
theta |
dispersion parameter for |
family |
distribution of count model |
infl |
logical value, if TRUE, zero-inflated count response |
Details
random number generation of zero-inflated count response
Value
numeric vector of zero-inflated count response
Author(s)
Zhu Wang <zwang145@uthsc.edu>
References
Zhu Wang, Shuangge Ma, Ching-Yun Wang, Michael Zappitelli, Prasad Devarajan and Chirag R. Parikh (2014) EM for Regularized Zero Inflated Regression Models with Applications to Postoperative Morbidity after Cardiac Surgery in Children, Statistics in Medicine. 33(29):5192-208.
Zhu Wang, Shuangge Ma and Ching-Yun Wang (2015) Variable selection for zero-inflated and overdispersed data with application to health care demand in Germany, Biometrical Journal. 57(5):867-84.