📄 例4.2.sas
字号:
data a;
input index@@;
time=intnx('month','1jan1991'd,_n_-1);
format time year2.;
t=_n_;
t2=t**2;
cards;
130.44 133.47 120.19 113.94 114.83 137.56 143.80 178.43 180.92
218.60 259.60 292.75 313.24 364.66 381.24 445.38 1234.71 1191.19
1052.07 823.27 702.32 507.25 724.60 780.39 1198.48 1339.88 925.91
1358.78 935.48 1007.05 881.07 895.68 890.27 814.82 984.93 833.80
770.25 770.98 704.46 592.56 556.26 469.29 333.92 785.33 791.15
654.98 683.59 647.87 562.59 549.26 646.92 579.93 700.51 630.58
695.55 723.87 722.43 717.32 641.13 555.29 537.34 552.93 556.39
681.16 643.65 804.25 822.48 809.94 875.52 976.71 1032.95 917.02
964.74 1040.27 1234.62 1393.75 1285.18 1250.27 1189.76 1221.06 1097.38
1180.39 1139.63 1194.10 1222.91 1206.53 1243.01 1343.44 1411.20 1339.20
1316.91 1150.22 1242.09 1217.31 1247.42 1146.70 1134.67 1090.09 1158.05
1120.92 1279.32 1689.42 1601.45 1627.12 1570.70 1504.56 1434.97 1366.58
1535.00 1714.58 1800.22 1836.32 1894.55 1928.11 2023.54 2021.20 1910.16
1961.29 2070.61 2073.48 2065.61 1959.18 2112.78 2119.18 2213.18 2218.03
1920.32 1834.14 1764.87 1689.17
;
proc gplot;
plot index*time=1;
symbol1 c=black v=none i=join;
proc reg;
model index=t t2;
model index=t2;
output out=out p=index_cup;
proc gplot data=out;
plot index*time=1 index_cup*time=2/overlay;
symbol2 c=red v=none i=join w=2 l=3;
run;
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