The QLIM Procedure |
Functional Summary |
The statements and options used with the QLIM procedure are summarized in the following table.
Description |
Statement |
Option |
---|---|---|
Data Set Options |
||
specify the input data set |
QLIM |
DATA= |
write parameter estimates to an output data set |
QLIM |
OUTEST= |
write predictions to an output data set |
OUTPUT |
OUT= |
Declaring the Role of Variables |
||
specify BY-group processing |
BY |
|
specify classification variables |
CLASS |
|
specify a weight variable |
WEIGHT |
|
Printing Control Options |
||
request all printing options |
QLIM |
PRINTALL |
print correlation matrix of the estimates |
QLIM |
CORRB |
print covariance matrix of the estimates |
QLIM |
COVB |
print a summary iteration listing |
QLIM |
ITPRINT |
suppress the normal printed output |
QLIM |
NOPRINT |
Options to Control the Optimization Process |
||
specify the optimization method |
QLIM |
METHOD= |
specify the optimization options |
NLOPTIONS |
see Chapter 6, Nonlinear Optimization Methods, |
set initial values for parameters |
INIT |
|
set linear restrictions on parameters |
BOUNDS RESTRICT |
|
Model Estimation Options |
||
specify options specific to Box-Cox transformation |
MODEL |
BOXCOX() |
suppress the intercept parameter |
MODEL |
NOINT |
specify a seed for pseudo-random number generation |
QLIM |
SEED= |
specify number of draws for Monte Carlo integration |
QLIM |
NDRAW= |
specify method to calculate parameter covariance |
QLIM |
COVEST= |
Endogenous Variable Options |
||
specify discrete variable |
ENDOGENOUS |
DISCRETE() |
specify censored variable |
ENDOGENOUS |
CENSORED() |
specify truncated variable |
ENDOGENOUS |
TRUNCATED() |
specify variable selection condition |
ENDOGENOUS |
SELECT() |
specify stochastic frontier variable |
ENDOGENOUS |
FRONTIER() |
Heteroscedasticity Model Options |
||
specify the function for heteroscedasticity models |
HETERO |
LINK= |
square the function for heteroscedasticity models |
HETERO |
SQUARE |
specify no constant for heteroscedasticity models |
HETERO |
NOCONST |
Output Control Options |
||
output predicted values |
OUTPUT |
PREDICTED |
output structured part |
OUTPUT |
XBETA |
output residuals |
OUTPUT |
RESIDUAL |
output error standard deviation |
OUTPUT |
ERRSTD |
output marginal effects |
OUTPUT |
MARGINAL |
output probability for the current response |
OUTPUT |
PROB |
output probability for all responses |
OUTPUT |
PROBALL |
output expected value |
OUTPUT |
EXPECTED |
output conditional expected value |
OUTPUT |
CONDITIONAL |
output inverse Mills ratio |
OUTPUT |
MILLS |
include covariances in the OUTEST= data set |
QLIM |
COVOUT |
include correlations in the OUTEST= data set |
QLIM |
CORROUT |
Test Request Options |
||
Requests Wald, Lagrange multiplier, and likelihood ratio tests |
TEST |
ALL |
Requests the WALD test |
TEST |
WALD |
Requests the Lagrange multiplier test |
TEST |
LM |
Requests the likelihood ratio test |
TEST |
LR |
Copyright © 2008 by SAS Institute Inc., Cary, NC, USA. All rights reserved.