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Proc FCMP Example

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  1. /*  Create a SAS function called "LN" in FCMP and store it in a SAS catalog, where  */
  2. /*  outlib=library.catalog.package specifies where the SAS function will be stored  */
  3. proc fcmp outlib = sasuser.FCMP_Cat.fcns; 
  4.   /*  Example of a SAS function definition for the natural log  */
  5.   function ln(x);
  6.     y = log(x);
  7.     return(y);
  8.   endsub;
  9. quit; 
  10.  
  11.  
  12. /*  Let SAS know about the "FCMP_Cat" catalog  */
  13. options cmplib=(sasuser.FCMP_Cat);
  14.  
  15.  
  16. /*  Test a call of the LN function using PROC FCMP  */
  17. proc fcmp;   
  18.   /*  Example of calling SAS function "LN" */
  19.   out = ln(10);
  20.   /*  Print result to output listing  */
  21.   put "Testing Function Call";
  22.   put "LN(10) returns:" out;
  23. quit;
  24.  
  25.  
  26. /*  Generate synthetic data to be used in PROC MODEL  */
  27. data logdata;
  28.   a = 0.5;
  29.   do x=1 to 10000;
  30.     z = rannor(123);
  31.     y = log(a*x) + z;
  32.     output;
  33.   end;
  34. run;
  35.  
  36.  
  37. /*  Utilize the "LN" function to estimate the parameter "a" with PROC MODEL  */
  38. proc model data = logdata;
  39.   parameters a;
  40.   y = ln(a*x);
  41.   fit y;
  42. run;
  43. quit;

URL: http://support.sas.com/kb/26/151.html

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