This example then specifies a smoothed spline interpolation method on the GRID statement. As shown by the following output, the resulting surface plot is smoother still. libname reflib ...
libname reflib 'SAS-data-library'; goptions reset=global gunit=pct border cback=white colors=(black blue green red) ftext=swiss ftitle=swissb htitle=6 htext=3; title 'Surface Plot after Partial ...
Spatial interpolation is often presented as a practical remedy for incomplete datasets. When measurements are sparse or unevenly distributed, interpolation techniques generate continuous surfaces that ...