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 ...
SIAM Journal on Numerical Analysis, Vol. 8, No. 1 (Mar., 1971), pp. 67-74 (8 pages) It is shown that if x ∈ C4[a, b] is approximated by a natural cubic spline, then ...
The following example continues the analysis of the data set Measure to illustrate how you can use PROC TPSPLINE to fit a spline model with a higher-order penalty term. Spline models with high-order ...
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