1                              The SAS System 09:00 Saturday, August 6, 1994

NOTE: Copyright(c) 1989 by SAS Institute Inc., Cary, NC USA. 
NOTE: SAS (r) Proprietary Software Release 6.08  TS405
      Licensed to UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL, Site 
      0003944001.



1          TITLE1 "EXAMPLE1.SAS--Demonstrate simple LINMOD use";
2          
3          * Data are from Danford, Hughes, and McNee,              *;
4          * "On the Analysis of Repeated Measurement Experiments," *;
5          * Biometrics, 16, 1960, pp. 547-565.                     *;
6          
7          * 0. Define raw data file;
8          FILENAME IN01 "C:\PROGRAMS\LINMOD31\EXAMPLES\PAYNE.DAT";
9          DATA PAYNE;
10              INFILE IN01;
11              INPUT @7 GROUP $ INIT SCORE2 SCORE4 SCORE6 SCORE8 SCORE10;
12         * Create indicator variables ;
13         CONTROL = (GROUP="1");
14         LOW     = (GROUP="2");
15         MODERATE= (GROUP="3");
16         HIGH    = (GROUP="4");
17         

NOTE: The infile IN01 is:
      FILENAME=C:\PROGRAMS\LINMOD31\EXAMPLES\PAYNE.DAT,
      RECFM=V,LRECL=132

NOTE: 45 records were read from the infile IN01.
      The minimum record length was 31.
      The maximum record length was 31.
NOTE: The data set WORK.PAYNE has 45 observations and 11 variables.
NOTE: The DATA statement used 3.22 seconds.


18         PROC PRINT DATA=PAYNE;
19         
20         * 1. Define directory in which LINMOD source code has been 
stored;
21         %LET LMDIRECT = C:\PROGRAMS\LINMOD31\SOURCE\    ;
22         
23         * 2. Define SAS macro code needed;
24         %INCLUDE "&LMDIRECT.MACROLIB.MAC" / NOSOURCE2 ;
41         
42         * 3. Reduce raw data to a TYPE=CORR file named _CORRDS_
43              with characteristics required by LINMOD;
44         &PROCSSCP DATA=PAYNE ;

2                              The SAS System 09:00 Saturday, August 6, 1994

NOTE: The PROCEDURE PRINT printed page 1.
NOTE: The PROCEDURE PRINT used 2.08 seconds.


45                   VAR CONTROL LOW MODERATE HIGH INIT
46                   SCORE2 SCORE4 SCORE6 SCORE8 SCORE10;
47         
48         * 4.1 Start IML with at least minimum space needed;
49         *     Use SHOW SPACE statement and larger WORKSIZE, SYMSIZE 
values
50               to tune performance with bigger problems;

NOTE: The data set WORK._CORRDS_ has 14 observations and 13 variables.
NOTE: The PROCEDURE CORR used 1.0 seconds.


51         PROC IML WORKSIZE=200 SYMSIZE=350;
Worksize    = 204800
Symbol size = 358400
IML Ready
52         
53         * 4.2 Initialize LINMOD IML code;
54         &LINMOD ;
NOTE: Module _DEFOPT_ defined.
NOTE: Module _EREXIT_ defined.
NOTE: Module _FITMOD_ defined.
NOTE: Module _GETCSS_ defined.
NOTE: Module _INITL_ defined.
NOTE: Module _MAKESS_ defined.
NOTE: Module _NMLIST_ defined.
NOTE: Module _PRPARM_ defined.
NOTE: Module _PVTYPE_ defined.
NOTE: Module _SCAN_ defined.
NOTE: Module _SETOPT_ defined.
NOTE: Module _TSTGLH_ defined.
NOTE: Module _UNIREP_ defined.
NOTE: Module _UNSCAN_ defined.
NOTE: Module _ZPIVOT_ defined.
NOTE: Module FITMODEL defined.
NOTE: Module GETCORSS defined.
NOTE: Module MAKESS defined.
NOTE: Module SETOPT defined.
NOTE: Module TESTGLH defined.
NOTE: Module NAMELIST defined.
NOTE: Module UTREND defined.
NOTE: Module UMEAN defined.
NOTE: Module UPOLY1 defined.
NOTE: Module UPOLY2 defined.
2186       
3                              The SAS System 09:00 Saturday, August 6, 1994

2187       * 5. Retrieve the file _CORRDS_ created in Step 3 ;
2188       RUN GETCORSS;
2189       
2190       * 6. Define the model and estimate primary parameters;
2191       INDVARS = { "CONTROL" "LOW" "MODERATE" "HIGH" "INIT" };
2192       DEPVARS=NAMELIST("SCORE",2,10,2);
2193       *Last statement creates following matrix--
2194       *DEPVARS = { "SCORE2" "SCORE4" "SCORE6" "SCORE8" "SCORE10" };
2195       RUN FITMODEL;
2196       
2197       * 7.1 Conduct a test (and estimation) step;
2198       NOTE={"* MANOVA Test of Main Effect of Treatment,            *"
2199           , "* comparing each treatment group to the control group *" 
} ;
2200       PRINT ,NOTE ;
2201       C = { 1 -1  0  0   0 ,
2202             1  0 -1  0   0 ,
2203             1  0  0 -1   0 } ;
2204       THETARNM= { "C-LOW"  "C-MOD"  "C-HIGH" };
2205       *U defaults to Identity matrix, if NROW(U)=0;
2206       RUN TESTGLH;
2207       
2208       * 7.2 Conduct another test (and estimation) step;
2209       NOTE={"* Trends by Treatment Interaction,                    *"
2210           , "* comparing each treatment group to the control group *" 
} ;
2211       PRINT , NOTE ;
2212       *Re-use the same C matrix;
2213       *Note that all user inputs (C, U, THETA0, THETARNM, THETACNM, 
etc.)
2214        are never changed by LINMOD, and hence remain in existence;
2215       *May FREE THETACNM, for example, to avoid conflict
2216        between successive invocations of TSTGLH;
2217       TIMES ={2 4 6 8 10};
2218       RUN UPOLY1(TIMES  ,"Time",
2219                  USCORE , SCORENM );
2220       U = USCORE;
2221       THETACNM = SCORENM ;
2222       RUN TESTGLH;
Exiting IML.
NOTE: The PROCEDURE IML printed pages 2-8.
NOTE: The PROCEDURE IML used 21.57 seconds.


NOTE: SAS Institute Inc., SAS Campus Drive, Cary, NC USA 27513-2414