The PROC PLM statement invokes the PLM procedure. The RESTORE= option with itemstorespecification is required. Table 75.2 summarizes the options available in the PROC PLM statement.
Table 75.2: PROC PLM Statement Options
Option 
Description 

Basic Options 

Specifies the source item store for processing 

Specifies the random number seed 

Affects the order in which statements are grouped during processing 

Specifies how the PLM procedure handles userdefined formats 

Specifies the constants (literals) in terms of the formatted values of the BY variables 

Computational Options 

Specifies the nominal significance level 

Specifies the method for determining denominator degrees of freedom 

Supplies a list of percentiles for the construction of HPD intervals 

Displayed Output 

Determines the maximum length of informational strings 

Suppresses the display of the "Class Level Information" table 

Suppresses the display of the "Store Information" table 

Suppresses tabular and graphical output 

Controls the plots produced through ODS Graphics 

Singularity Tolerances 

Specifies the tolerance value used in determining the estimability of linear functions 

Tunes the singularity criterion in Cholesky decompositions 

Sets the tolerance for which the residual variance or scale parameter is considered to be zero 

Tunes the general singularity criterion 

Tunes the sensitivity in forming Type III functions 
You can specify the following options: