
90 NONPARAMETRIC REGRESSION
title ’m=1’;
symbol1 color=black value=dot;
symbol2 color=black value=none interpol=join line=1;
symbol3 color=black value=none interpol=join line=2;
symbol4 color=black value=none interpol=join line=2;
proc gplot data=result;
plot (rate p rate lclm rate uclm rate)*month /overlay;
run;
proc tpspline data=unempl rates;
model rate=(month);
output out=result pred lclm uclm;
run;
title ’m=2’;
proc gplot data=result;
plot (rate p rate lclm rate uclm rate)*month /overlay;
run;
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Month
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m = 1
Rate