1                                        The SAS System            09:53 Friday, October 27, 2006

NOTE: Copyright (c) 2002-2003 by SAS Institute Inc., Cary, NC, USA. 
NOTE: SAS (r) 9.1 (TS1M3)
      Licensed to UNC-CHAPEL HILL-SYSTEMWIDE-T/R, Site 0039466002.
NOTE: This session is executing on the XP_PRO  platform.



NOTE: SAS 9.1.3 Service Pack 3

NOTE: SAS initialization used:
      real time           0.48 seconds
      cpu time            0.12 seconds
      

NOTE: AUTOEXEC processing beginning; file is c:\local\sas91\autoexec.sas.


NOTE: AUTOEXEC processing completed.

1          * example1.sas
2          * xref:
3          * input:
4          * output:
5          * does: - example usage of the VCBD macro
6          ******************************************************************;;
7          filename MAC "vcbd.sas";
8          %include MAC;
145        ******************************************************************;;
146        data A;
147          input practice  provider  y  m  ;
148          label m = "Number of patients";
149          label y = "Number of patients with a positive response";
150         cards;

NOTE: The data set WORK.A has 12 observations and 4 variables.
NOTE: DATA statement used (Total process time):
      real time           0.00 seconds
      cpu time            0.01 seconds
      

163           ;
164           run;
165        ******************************************************************;;
166        
167        %vcbd (data = A, i = practice, mij = m, yij = y);

NOTE: There were 12 observations read from the data set WORK.A.
NOTE: The data set WORK._A_ has 12 observations and 5 variables.
NOTE: DATA statement used (Total process time):
      real time           0.00 seconds
      cpu time            0.01 seconds
      


NOTE: There were 12 observations read from the data set WORK._A_.
NOTE: The data set WORK._B_ has 5 observations and 8 variables.
NOTE: PROCEDURE SUMMARY used (Total process time):
      real time           0.00 seconds
      cpu time            0.01 seconds
      


NOTE: There were 5 observations read from the data set WORK._B_.
2 The SAS System                                                 09:53 Friday, October 27, 2006

NOTE: The data set WORK._C_ has 5 observations and 11 variables.
NOTE: DATA statement used (Total process time):
      real time           0.00 seconds
      cpu time            0.00 seconds
      


NOTE: There were 5 observations read from the data set WORK._C_.
NOTE: The data set WORK._D_ has 1 observations and 11 variables.
NOTE: PROCEDURE SUMMARY used (Total process time):
      real time           0.00 seconds
      cpu time            0.01 seconds
      


Variance Components for Nested Binary Responses (Version 1.0)
(c) Bahjat Qaqish and Habib Moalem (1993)
Department of Biostatistics
CB 7400
Chapel Hill,  NC 27599-7420

Data set: A
Response: y / m
Practice ID: practice

Total number of practices:  5
Total number of physicians: 12
Total number of patients:   47
Sum of y:  19
Mean of y: 0.4042553191

Estimates:
    Theta:    0.3719868516
    Lambda_1: 0
    Lambda_2: 0.9270341029

Variance components:
    Between practices:                 0 %
    Between providers within practice: 92.703410289 %
    Between patients Within provider:  7.2965897113 %

Correlation:
    Between providers within practice: 0
    Between patients within provider:  0.9270341029

Odds ratio:
    Between providers within practice: 1
    Between patients within provider:  746.34875792


Macro VCBD done.
NOTE: There were 1 observations read from the data set WORK._D_.
NOTE: The data set WORK._E_ has 1 observations and 31 variables.
NOTE: DATA statement used (Total process time):
      real time           0.01 seconds
      cpu time            0.01 seconds
      

168        

NOTE: SAS Institute Inc., SAS Campus Drive, Cary, NC USA 27513-2414
NOTE: The SAS System used:
      real time           0.58 seconds
3 The SAS System                                                 09:53 Friday, October 27, 2006

      cpu time            0.19 seconds