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*  Research Computing Services                            *;
*  Introduction to SAS                                    *;
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*  SAS Program Structure                                  *;
*                                                         *;
*  1. Execute the code as is and explore the output       *;
*  2. Create a variable MAP (mean artherial pressure):    *;
*     MAP=2/3*DBP + 1/3*SBP                               *;
*  3. Check if this variable appeared in the              */
*     content procedure otuput                            */
*  4. Examine the content of the visits dataset in the    */
*     Work library (do not forget to close it)            */
*                                                         *;
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* Read the input data and define new variables;
DATA visits; 
  set "Datasets\med_visits.sas7bdat"; 

  bmi=weight/height**2 *703;
  map=2/3*dbp + 1/3*sbp;

RUN; 

* Specify title for the output (will apply to all output tables;
title "Medical Visits Information"; 

* Print content information ;
* It will print the number of observations (rows) and variables (columns);
*               the list of all variables and their type and size (number of bytes used to store each value) ; 
proc contents data=visits;
run;

* Print dataset;
proc print data=visits;
run;

* Get basic statistics summaries for numeric variables;
proc means data=visits;
  var bmi map;
run;