The HPCOUNTREG Procedure

Functional Summary

Table 6.1 summarizes the statements and options used with the HPCOUNTREG procedure.

Table 6.1: PROC HPCOUNTREG Functional Summary

Description

Statement

Option

Data Set Options

   

Specifies the input data set

HPCOUNTREG

DATA=

Specifies the identification variable for panel data analysis

HPCOUNTREG

GROUPID=

Writes parameter estimates to an output data set

HPCOUNTREG

OUTEST=

Writes estimates to an output data set

OUTPUT

OUT=

Specifies BY-group processing

BY

 

Specifies an optional frequency variable

FREQ

 

Specifies an optional weight variable

WEIGHT

 

Printing Control Options

   

Prints the correlation matrix of the estimates

HPCOUNTREG

CORRB

Prints the covariance matrix of the estimates

HPCOUNTREG

COVB

Suppresses the normal printed output

HPCOUNTREG

NOPRINT

Requests all printing options

HPCOUNTREG

PRINTALL

Options to Control the Optimization Process

   

Specifies maximum number of iterations allowed

HPCOUNTREG

MAXITER=

Selects the iterative minimization method to use

HPCOUNTREG

METHOD=

Specifies maximum number of iterations allowed

HPCOUNTREG

MAXITER=

Specifies maximum number of function calls

HPCOUNTREG

MAXFUNC=

Specifies the upper limit of CPU time in seconds

HPCOUNTREG

MAXTIME=

Specifies absolute function convergence criterion

HPCOUNTREG

ABSCONV=

Specifies absolute function convergence criterion

HPCOUNTREG

ABSFCONV=

Specifies absolute gradient convergence criterion

HPCOUNTREG

ABSGCONV=

Specifies relative function convergence criterion

HPCOUNTREG

FCONV=

Specifies relative gradient convergence criterion

HPCOUNTREG

GCONV=

Specifies absolute parameter convergence criterion

HPCOUNTREG

ABSXCONV=

Specifies matrix singularity criterion

HPCOUNTREG

SINGULAR=

Sets boundary restrictions on parameters

BOUNDS

 

Sets initial values for parameters

INIT

 

Sets linear restrictions on parameters

RESTRICT

 

Model Estimation Options

   

Specifies the dispersion variables

DISPMODEL

 

Specifies the type of model

HPCOUNTREG

DIST=

Specifies the type of covariance matrix

HPCOUNTREG

COVEST=

Specifies the type of error components model for panel data

MODEL

ERRORCOMP=

Suppresses the intercept parameter

MODEL

NOINT

Specifies the offset variable

MODEL

OFFSET=

Specifies the parameterization for the Conway-Maxwell-Poisson (CMP) model

MODEL

PARAMETER=

Specifies the zero-inflated offset variable

ZEROMODEL

OFFSET=

Specifies the zero-inflated link function

ZEROMODEL

LINK=

Output Control Options

   

Includes covariances in the OUTEST= data set

HPCOUNTREG

COVOUT

Includes correlations in the OUTEST= data set

HPCOUNTREG

CORROUT

Outputs SAS variables to the output data set

OUTPUT

COPYVAR=

Outputs the estimates of dispersion for the CMP model

OUTPUT

DISPERSION

Outputs the estimates of GDelta $=\mathbf{g}_{i}’\bdelta $ for the CMP model

OUTPUT

GDELTA=

Outputs the estimates of $\lambda $ for the CMP model

OUTPUT

LAMBDA=

Outputs the estimates of $\nu $ for the CMP model

OUTPUT

NU=

Outputs the estimates of $\mu $ for the CMP model

OUTPUT

MU=

Outputs the estimates of mode for the CMP model

OUTPUT

MODE=

Outputs the probability that the response variable will take the current value

OUTPUT

PROB=

Outputs probabilities for particular response values

OUTPUT

PROBCOUNT( )

Outputs expected value of response variable

OUTPUT

PRED=

Outputs the estimates of variance for the CMP model

OUTPUT

VARIANCE=

Outputs estimates of XBeta $=\mathbf{x}_{i}’\bbeta $

OUTPUT

XBETA=

Outputs estimates of ZGamma $=\mathbf{z}_{i}’\bgamma $

OUTPUT

ZGAMMA=

Outputs probability of a zero value as a result of the zero-generating process

OUTPUT

PROBZERO=

Performance Options

   

Requests a table that shows a timing breakdown

PERFORMANCE

DETAILS

Specifies the number of threads to use

PERFORMANCE

NTHREADS=

Specifies the number of nodes to use on the SAS appliance

PERFORMANCE

NODES=