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These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

The graphics output in the Results tab was produced using SAS® 9.2. Submitting the sample code with releases of SAS prior to SAS 9.2 might produce different results.

 /* Set the graphics environment */
goptions reset=all border cback=white htitle=12pt; 
 
 /* Create data set WORK.NUMS using  */
 /* a set of randomly sampled points */
data nums;
   keep x y z;
   do i=1 to 30;
      x=10*ranuni(33)-5;
      y=10*ranuni(35)-5;
      z=sin(sqrt(x*x+y*y));
      output;
   end;
run;

 /* Define a title for the graph */
title1 'Scatter Plot of NUMS Data Set';

 /* Generate the scatter plot */
proc g3d data=nums;
   scatter y*x=z;
run;
quit; 

 /* Process points with PROC G3GRID */
proc g3grid data=nums out=default;
   grid y*x=z / axis1=-5 to 5 by .5
                axis2=-5 to 5 by .5;
run;

 /* Define a title for the graph */
title1 'Surface Plot After Default Interpolation';

 /* Create the surface graph */
proc g3d data=default;
   plot y*x=z;  
run;
quit;

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These sample files and code examples are provided by SAS Institute Inc. "as is" without warranty of any kind, either express or implied, including but not limited to the implied warranties of merchantability and fitness for a particular purpose. Recipients acknowledge and agree that SAS Institute shall not be liable for any damages whatsoever arising out of their use of this material. In addition, SAS Institute will provide no support for the materials contained herein.

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