1          OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK;
 61         
 62         /************************ math0.2.sas *************************/
 63         title 'Prediction of Performance in First-year Calculus';
 64         title2 'Read exploratory data and locate problems: Part 2';
 65         
 66         proc format;
 67              value ynfmt  0 = 'No'  1 = 'Yes';
 NOTE: Format YNFMT has been output.
 68              value crsfmt 1 = 'Catch-up' 2 = 'Mainstrm' 3 = 'Elite' 4 = 'No Resp';
 NOTE: Format CRSFMT has been output.
 69              value nfmt
 70                         1 = 'Asian'
 71                         2 = 'Eastern European'
 72                         3 = 'European not Eastern'
 73                         4 = 'Middle-Eastern  and Pakistani'
 74                         5 = 'East Indian'
 75                         6 = 'Other   and DK' ;
 NOTE: Format NFMT has been output.
 76         
 
 NOTE: PROCEDURE FORMAT used (Total process time):
       real time           0.02 seconds
       cpu time            0.01 seconds
       
 77         data mathex;
 
 78              infile '/folders/myfolders/441s18/Lecture/exploremath.data.txt';
 79              input id course precalc calc gpa calculus english mark lang $ sex $
 80                    nation1 nation2 sample;
 81              /****** Fix problems located in first run ******/
 82              if course = 4 then course = .; /* No response is missing */
 83              /* Missing HS marks were zeros */
 84              if 60 le gpa le 100 then hsgpa = gpa; /* Else missing is automatic */
 85              if 0 < calculus < 101 then hscalc = calculus;
 86              if 0 < english < 101 then hsengl = english;
 87              /* Some missing university calculus marks were zero,
 88                 and 998=SDF and 999=WDR */
 89              if mark=0 then grade=.;
 90                 else if mark > 100 then grade=.;
 91                 else grade=mark;
 92              /* There were just a few French speakers */
 93              if lang='French' then tongue='Other  '; else tongue=lang;
 94              label tongue = 'Mother Tongue (Eng or Other)';
 95              format course  crsfmt.;
 96              format nation1 nation2  nfmt.;
 97         
 98              label
 99                    precalc  = 'Number precalculus correct'
 100                   calc  = 'Number calculus correct'
 101                   totscore = 'Total # right on diagnostic test'
 102                   passed = 'Passed the course'
 103                   grade = 'Final mark (if any)'
 104                   hsgpa = 'High School GPA'
 105                   hscalc = 'HS Calculus'
 106                   hsengl = 'HS English'
 107                   lang = 'Mother Tongue'
 108                   nation1 = 'Nationality of name acc to rater1'
 109                   nation2 = 'Nationality of name acc to rater2'
 110                   tongue = 'Mother Tongue (Eng or Other)';
 111        
 
 NOTE: Variable totscore is uninitialized.
 NOTE: Variable passed is uninitialized.
 NOTE: The infile '/folders/myfolders/441s18/Lecture/exploremath.data.txt' is:
       Filename=/folders/myfolders/441s18/Lecture/exploremath.data.txt,
       Owner Name=root,Group Name=vboxsf,
       Access Permission=-rwxrwx---,
       Last Modified=January 18, 2016 17:34:49 o'clock,
       File Size (bytes)=44583
 
 NOTE: 579 records were read from the infile '/folders/myfolders/441s18/Lecture/exploremath.data.txt'.
       The minimum record length was 75.
       The maximum record length was 75.
 NOTE: The data set WORK.MATHEX has 579 observations and 18 variables.
 NOTE: DATA statement used (Total process time):
       real time           0.02 seconds
       cpu time            0.02 seconds
       
 112        proc freq data=mathex;
 
 113             title3 'Frequency distributions of variables to be used';
 114             tables course sex nation1 nation2 hsgpa -- tongue;
 115             /* hsgpa -- tongue =
 116                hsgpa hscalc hsengl grade tongue */
 117        
 
 NOTE: There were 579 observations read from the data set WORK.MATHEX.
 NOTE: PROCEDURE FREQ used (Total process time):
       real time           0.69 seconds
       cpu time            0.69 seconds
       
 118        proc freq data=mathex;
 
 119             title3 'Agreement of raters on nationality of name';
 120             tables nation1*nation2 / norow nocol nopercent;
 121        
 122        
 123        
 124        
 125        
 126        
 127        OPTIONS NONOTES NOSTIMER NOSOURCE NOSYNTAXCHECK;
 140