1          OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK;
 NOTE: ODS statements in the SAS Studio environment may disable some output features.
 56         
 57         /**************************** SATcalisReg.sas ****************************/
 58         title 'Open SAT Data: Fit a regression model with proc calis';
 59         title2 'Jerry Brunner:  Student Number 999999999';
 60         
 61         data PennState;
 62              infile '/folders/myfolders/431s17/openSAT.data.txt' firstobs=2;
 63              input id verbal math gpa;             /* Skipping the header */
 64         
 65         ods graphics off; /* Suppress regression plots */
 
 NOTE: The infile '/folders/myfolders/431s17/openSAT.data.txt' is:
       Filename=/folders/myfolders/431s17/openSAT.data.txt,
       Owner Name=root,Group Name=vboxsf,
       Access Permission=-rwxrwx---,
       Last Modified=06Jan2017:08:41:47,
       File Size (bytes)=3618
 
 NOTE: 200 records were read from the infile '/folders/myfolders/431s17/openSAT.data.txt'.
       The minimum record length was 16.
       The maximum record length was 16.
 NOTE: The data set WORK.PENNSTATE has 200 observations and 4 variables.
 NOTE: DATA statement used (Total process time):
       real time           0.01 seconds
       cpu time            0.02 seconds
       
 66         proc reg;
 
 67              title3 'Proc reg for comparison';     
 68              model gpa = verbal math;
 69         
 
 NOTE: PROCEDURE REG used (Total process time):
       real time           0.07 seconds
       cpu time            0.06 seconds
       
 70         proc calis vardef=n nostand; /* Use n in the denominator for pure MLEs
 
 71                                         Suppress standardized output */
 72          title3 'Surface regression with proc calis';
 73              var verbal math gpa;       /* Declare observed variables */
 74              lineqs                     /* Give model equation(s) */
 75                 gpa = beta0*Intercept + beta1*verbal + beta2*math + epsilon;
 76              variance                   /* Declare variance parameters */
 77                 verbal = phi11,
 78                 math = phi22,
 79                 epsilon = sigmasq;
 80              cov                        /* Declare non-zero covariance parameters */
 81                 verbal math = phi12;
 82              mean                       /* Declare non-zero mean parameters */
 83                 verbal = mu1, math = mu2;
 84         run;
 
 
 NOTE: Convergence criterion (GCONV2=0) satisfied.
 NOTE: PROCEDURE CALIS used (Total process time):
       real time           0.25 seconds
       cpu time            0.21 seconds
       
 
 85         /* The final run statement is not strictly necessary in SAS Studio. */
 86         
 87         
 88         OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK;
 100