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The COUNTREG Procedure
The COUNTREG Procedure
Overview: COUNTREG Procedure
Getting Started: COUNTREG Procedure
Syntax: COUNTREG Procedure
Functional Summary
PROC COUNTREG Statement
BOUNDS Statement
BY Statement
INIT Statement
MODEL Statement
OUTPUT Statement
RESTRICT Statement
ZEROMODEL Statement
Details: COUNTREG Procedure
Missing Values
Poisson Regression
Negative Binomial Regression
Zero-Inflated Count Regression Overview
Zero-Inflated Poisson Regression
Zero-Inflated Negative Binomial Regression
Computational Resources
Nonlinear Optimization Options
Covariance Matrix Types
Displayed Output
OUTPUT OUT= Data Set
OUTEST= Data Set
ODS Table Names
Examples: COUNTREG Procedure
Basic Models
ZIP and ZINB Models for Data Exhibiting Extra Zeros
References
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Copyright © 2008 by SAS Institute Inc., Cary, NC, USA. All rights reserved.
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