Case Deletion Measures and Generalized Leverage for the Zero Inflated Poisson Regression Models
LI Ai-ping, GU Zheng, XIE Feng-chang
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2007, (06): 109 -112 .  DOI: 10.3969/j.jssn.1000-2006.2007.06.026