The CNTSELECT Procedure
Functional Summary
Table 8.1 summarizes the statements and options used with the CNTSELECT procedure.
Table 8.1: Functional Summary
Description | Statement | Option |
|---|---|---|
Data Set Options | ||
Specifies the input data set | PROC CNTSELECT | DATA= |
Specifies the identification variable for panel data analysis | PROC CNTSELECT | GROUPID= |
Writes estimates to an output data set | OUTPUT | OUT= |
Specifies BY-group processing | BY | |
Specifies the classification variables | ||
Specifies an optional frequency variable | FREQ | |
Specifies an optional weight variable | WEIGHT | |
Printing Control Options | ||
Prints the correlation matrix of the estimates | PROC CNTSELECT | CORRB |
Prints the covariance matrix of the estimates | PROC CNTSELECT | COVB |
Suppresses the normal printed output | PROC CNTSELECT | NOPRINT |
Requests all printing options | PROC CNTSELECT | PRINTALL |
Prints timing information | PROC CNTSELECT | PRINTTIMING |
Prints the names used internally for the parameters | PROC CNTSELECT | PRINTINTERNALNAMES |
Options to Control the Optimization Process | ||
Selects the iterative minimization method to use | PROC CNTSELECT | METHOD= |
Specifies maximum number of iterations allowed | PROC CNTSELECT | MAXITER= |
Specifies maximum number of function calls | PROC CNTSELECT | MAXFUNC= |
Specifies the upper limit of CPU time in seconds | PROC CNTSELECT | MAXTIME= |
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 | PROC CNTSELECT | DIST= |
Specifies the type of covariance matrix | PROC CNTSELECT | 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= |
Specifies the constructed regression effects | ||
Regression Effect-Selection Options | ||
Specifies the selection method | ||
Specifies how to apply the STOP= criterion | ||
Regression Effect-Selection Method Options | ||
Specifies a criterion for choosing the best model at each step | ||
Specifies that the competitive form of the stepwise selection method be used | ||
Specifies the maximum number of effects in the model | ||
Specifies the maximum number of selection steps | ||
Specifies the minimum number of effects in the model | ||
Specifies a criterion to decide which effects enter or leave the model at each step | ||
Specifies a criterion for stopping the selection process | ||
Output Control Options | ||
Specifies the ODS tables to display | ||
Specifies the ODS tables to save as CAS output tables | ||
Specifies the output item store to preserve the properties of the model and the results of fitting the model | PROC CNTSELECT | STORE= |
Outputs SAS variables to the output data set | OUTPUT | COPYVAR= |
Outputs the estimates of dispersion for the CMP model | OUTPUT | DISPERSION |
OUTPUT | GDELTA= | |
OUTPUT | LAMBDA= | |
OUTPUT | NU= | |
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= |
OUTPUT | XBETA= | |
OUTPUT | ZGAMMA= | |
Outputs probability of a zero value as a result of the zero-generating process | OUTPUT | PROBZERO= |