1          OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK;
 NOTE: ODS statements in the SAS Studio environment may disable some output features.
 73         
 74         /* grapefruit1.sas */
 75         title "Oneway ANOVA with repeated measures";
 76         title2 'Grapefruit data (Applied linear statistical models, 5th ed., Prob 27.6)';
 77         
 78         data grape1;
 79              infile '/home/u1407221/441s24/data/grapefruit1.data.txt' firstobs=2;
 80              input store sales1-sales3;
 81              label sales1 = 'Sales at Price 1'
 82                    sales2 = 'Sales at Price 2'
 83                    sales3 = 'Sales at Price 3';
 84              /* Pairwise differences */
 85              d12 = sales1-sales2; d13 = sales1-sales3; d23=sales2-sales3;
 86         
 
 NOTE: The infile '/home/u1407221/441s24/data/grapefruit1.data.txt' is:
       Filename=/home/u1407221/441s24/data/grapefruit1.data.txt,
       Owner Name=u1407221,Group Name=oda,
       Access Permission=-rw-r--r--,
       Last Modified=24Mar2024:18:49:46,
       File Size (bytes)=522
 
 NOTE: 8 records were read from the infile '/home/u1407221/441s24/data/grapefruit1.data.txt'.
       The minimum record length was 56.
       The maximum record length was 56.
 NOTE: The data set WORK.GRAPE1 has 8 observations and 7 variables.
 NOTE: DATA statement used (Total process time):
       real time           0.00 seconds
       user cpu time       0.01 seconds
       system cpu time     0.00 seconds
       memory              762.09k
       OS Memory           27560.00k
       Timestamp           03/24/2024 11:13:01 PM
       Step Count                        66  Switch Count  2
       Page Faults                       0
       Page Reclaims                     159
       Page Swaps                        0
       Voluntary Context Switches        22
       Involuntary Context Switches      0
       Block Input Operations            0
       Block Output Operations           264
       
 
 87         proc means n mean stddev maxdec=3;
 88              var sales1-sales3;
 89         run;
 
 NOTE: There were 8 observations read from the data set WORK.GRAPE1.
 NOTE: PROCEDURE MEANS used (Total process time):
       real time           0.04 seconds
       user cpu time       0.04 seconds
       system cpu time     0.01 seconds
       memory              8645.21k
       OS Memory           34492.00k
       Timestamp           03/24/2024 11:13:01 PM
       Step Count                        67  Switch Count  1
       Page Faults                       0
       Page Reclaims                     1729
       Page Swaps                        0
       Voluntary Context Switches        17
       Involuntary Context Switches      1
       Block Input Operations            0
       Block Output Operations           8
       
 
 90         
 91         proc reg plots=none data=grape1;
 92              title3 'Test H0: mu1=mu2=mu3 with proc reg';
 93              model d12 d13 = ;
 94              Price: mtest intercept=0;
 95         run;
 
 96         
 97         /* Linear combinations of response variables can be
 98            specified within proc reg rather than in the data step.
 99            Secify an equivalent null hypothesis, too. */
 100        
 101        quit;
 
 NOTE: PROCEDURE REG used (Total process time):
       real time           0.07 seconds
       user cpu time       0.07 seconds
       system cpu time     0.00 seconds
       memory              2911.40k
       OS Memory           31424.00k
       Timestamp           03/24/2024 11:13:01 PM
       Step Count                        68  Switch Count  2
       Page Faults                       0
       Page Reclaims                     396
       Page Swaps                        0
       Voluntary Context Switches        22
       Involuntary Context Switches      1
       Block Input Operations            0
       Block Output Operations           72
       
 
 101      !       /* For some reason, this is needed to make ods select work. */
 102        ods select MultStat;
 103        proc reg plots=none data=grape1;
 104             title3 'Specifying linear combinations within proc reg';
 105             model sales1 sales2 sales3 = ;
 106             Price: mtest intercept=0, sales1-sales2,
 107                                       sales2-sales3;
 108        run;
 
 109        
 
 NOTE: PROCEDURE REG used (Total process time):
       real time           0.02 seconds
       user cpu time       0.02 seconds
       system cpu time     0.00 seconds
       memory              2471.21k
       OS Memory           31936.00k
       Timestamp           03/24/2024 11:13:01 PM
       Step Count                        69  Switch Count  2
       Page Faults                       0
       Page Reclaims                     302
       Page Swaps                        0
       Voluntary Context Switches        21
       Involuntary Context Switches      0
       Block Input Operations            0
       Block Output Operations           56
       
 
 110        proc glm data=grape1;
 111             title3 'Test H0: mu1=mu2=mu3 with proc glm';
 112             model sales1-sales3 = ;
 113             repeated price / short summary mean;
 114        run;
 
 115        /* Could have done  ods select MultStat -- no need for a quit this time. */
 116        
 117        /* Note the Greenhouse-Geisser and Huynh-Feldt corrections for departures from
 118           "sphericity." Sphericity means equal variances of the differences. */
 119        
 120        
 
 NOTE: PROCEDURE GLM used (Total process time):
       real time           0.16 seconds
       user cpu time       0.16 seconds
       system cpu time     0.01 seconds
       memory              2157.31k
       OS Memory           31416.00k
       Timestamp           03/24/2024 11:13:01 PM
       Step Count                        70  Switch Count  3
       Page Faults                       0
       Page Reclaims                     238
       Page Swaps                        0
       Voluntary Context Switches        20
       Involuntary Context Switches      1
       Block Input Operations            0
       Block Output Operations           384
       
 
 121        proc means mean t probt maxdec=3 data=grape1;
 122             title3 'Pairwise matched t-tests';
 123             var d12 d13 d23;
 124        run;
 
 NOTE: There were 8 observations read from the data set WORK.GRAPE1.
 NOTE: PROCEDURE MEANS used (Total process time):
       real time           0.02 seconds
       user cpu time       0.01 seconds
       system cpu time     0.00 seconds
       memory              6571.31k
       OS Memory           36284.00k
       Timestamp           03/24/2024 11:13:01 PM
       Step Count                        71  Switch Count  2
       Page Faults                       0
       Page Reclaims                     1471
       Page Swaps                        0
       Voluntary Context Switches        26
       Involuntary Context Switches      0
       Block Input Operations            0
       Block Output Operations           0
       
 
 125        quit;
 126        
 127        
 128        OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK;
 140