title 'Groups';
data patients;
   format Date mmddyy8.;
   input ID Group $ 4-12 @17 Date mmddyy8. Results;
   datalines;
 1 Treatment    06/14/16    10.9
 1 Treatment    10/14/16    10.9
 1 Treatment    10/16/16    11.0
 1 Treatment    10/19/16    11.0
 1 Treatment    10/25/16    10.7
 2 Control      05/07/16    10.0
 2 Control      06/19/16     9.9
 2 Control      06/21/16    10.1
 2 Control      08/31/16    10.1
 2 Control      09/12/16    10.0
 2 Control      09/20/16    10.1
 2 Control      09/25/16    10.2
 2 Control      12/21/16    10.5
 3 Treatment    08/02/16    11.5
 3 Treatment    10/30/16    11.2
 3 Treatment    11/02/16    10.8
 3 Treatment    11/28/16    10.6
 4 Control      01/05/16    11.7
 4 Control      01/29/16    11.6
 4 Control      02/18/16    11.7
 4 Control      05/01/16    12.0
 4 Control      06/10/16    11.6
 4 Control      11/21/16    11.9
 4 Control      11/28/16    12.2
 4 Control      11/30/16    12.4
 5 Treatment    01/30/16     9.0
 5 Treatment    02/06/16     9.1
 5 Treatment    02/17/16     8.8
 5 Treatment    07/03/16     9.1
 5 Treatment    07/08/16     8.8
 5 Treatment    07/18/16     8.7
 5 Treatment    09/26/16     9.1
 6 Control      02/03/16    10.8
 6 Control      02/06/16    11.0
 6 Control      03/01/16    11.0
 6 Control      03/05/16    11.0
 6 Control      10/03/16    10.9
 7 Treatment    01/13/16    11.1
 7 Treatment    04/21/16    11.4
 7 Treatment    05/07/16    11.4
 7 Treatment    07/30/16    11.8
 7 Treatment    12/12/16    12.0
 7 Treatment    12/24/16    11.9
 8 Control      03/05/16     9.1
 8 Control      05/25/16     8.9
 8 Control      08/27/16     9.1
 8 Control      10/31/16     9.1
 8 Control      11/14/16     9.0
 9 Treatment    01/30/16    10.0
 9 Treatment    03/03/16    10.1
 9 Treatment    05/06/16    10.2
 9 Treatment    08/28/16    10.5
10 Control      02/15/16    10.4
10 Control      02/28/16    10.3
10 Control      07/23/16    10.2
10 Control      08/17/16    10.3
10 Control      12/27/16    10.1
10 Control      12/27/16    10.2
;