📄 example5_2.sas
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goptions vsize=7cm hsize=10cm;
data example5_2;
input x@@;
lagx=lag(x);
t=_n_;
cards;
3.03 8.46 10.22 9.80 11.96 2.83
8.43 13.77 16.18 16.84 19.57 13.26
14.78 24.48 28.16 28.27 32.62 18.44
25.25 38.36 43.70 44.46 50.66 33.01
39.97 60.17 68.12 68.84 78.15 49.84
62.23 91.49 103.20 104.53 118.18 77.88
94.75 138.36 155.68 157.46 177.69 117.15
;
proc gplot data=example5_2;
plot x*t=1;
symbol1 c=black i=join v=star;
proc autoreg data=example5_2;
model x=t/ dwprob ;
proc autoreg data=example5_2;
model x=t/nlag=5 backstep method=ml noint ;
output out=out p=xp pm=trend;
proc gplot data=out;
plot x*t=2 xp*t=3 trend*t=4 / overlay ;
symbol2 v=star i=none c=black;
symbol3 v=none i=join c=red w=2;
symbol4 v=none i=join c=green w=2;
proc autoreg data=example5_2;
model x=lagx/lagdep=lagx;
model x=lagx/lagdep=lagx noint;
output out=out p=xp;
proc gplot data=out;
plot x*t=2 xp*t=3 / overlay ;
run;
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