数学建模社区-数学中国
标题:
求sas小程序!急!
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作者:
祸劫
时间:
2011-10-18 21:18
标题:
求sas小程序!急!
本人现在急求sas的几个小程序,请各位高手帮忙!多谢啦!!
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主要想要下面几种:
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1 过原点的线性加平台,求拐点
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2 过原点的二次加平台,求拐点
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3 对数加平台,求拐点
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下面是一个线性加平台的程序,但是不过原点,贴上来,希望能有个参考。我想要拟合的数据也写在里面了。
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DATA A ;
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INPUT aa ry;
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cards;
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11.8 58.72210953
4 C* z! G% X$ I# o( K- j
20.1 88.0967142
- A7 \ _! K" R% Y7 e# \( r
20.1 81.24529722
W1 m; [7 b3 V
20.1 84.29360695
( v8 ~) `9 D9 e: C
20.1 81.10726644
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15.6 98.75298664
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31.6 68.86474304
/ \1 w. i; e0 Z; U# {. e ?: i
69.9 92.33568267
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8.9 84.69947471
& X) ?( F- U8 o3 p1 B
43.2 90.84231146
4 h& }* X% N: u6 r Y1 Q+ Q6 i$ f
39.1 109.1894109
6 a6 h' E! Q) @) |/ n M! f
86.6 93.08064686
3 T9 X; J( p( O1 J; w
27.5 86.64394553
t5 a. w' Q6 D3 t
65.1 76.04877217
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144.8 91.16522565
- q; r+ a3 J! x$ Z3 V+ T# A
60 78.80126767
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52 94.33156385
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32.7 95.63820283
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68.7 94.13253669
4 ?! \% D6 b3 A* d, x( i
101.4 89.24645622
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84.25 101.196025
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133.1 85.42372881
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75.6 85.5045225
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139.5 96.59318637
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56.4 107.7097506
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112 94.01759531
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45 97.63031155
7 L9 ^8 c+ h& u2 Z4 \! D
76.6 85.12898331
C* `4 Z' O$ [( Y6 z! w) z% X
14 92.92788563
1 ?2 K# F+ r5 k/ C
264 84.72287086
2 G9 P; ~# r4 h% U
11.8 27.16763006
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8.9 66.1675435
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8.4 69.86062718
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48.2 95.39295393
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85 90.46265185
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56.66666667 96.16099071
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21.5 89.88411761
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167 87.70897566
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130.5 97.58812616
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167.5 99.29691725
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27.5 94.3345668
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27.8 83.32801701
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33.7 84.03827751
4 `, {1 w& n2 t9 n' H5 ~+ x) U2 Y+ g
121.3 62.1226565
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199.8 79.47899302
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270.5 72.63651182
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206 87.08424454
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107.5 72.13753714
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134.9 88.94919802
3 ^- G8 d2 J E' j, I2 j+ m/ f. V" q
179 107.8421955
/ I+ d, K2 _( |$ N# g( b
3.4 77.79831933
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12.5 69.97430957
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12.5 41.72274563
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12.5 42.59395726
- z# E0 F) k$ {9 }) r
21.5 96.77574591
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18 80.52768162
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17.5 91.15776212
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;
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TITLE1 'Yield Response Data';
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TITLE2 'LRP Model';
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PROC NLIN DATA=A BEST=3;
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PARMS A=27 to 112 by 5 B=0 to 30 by 1 K 3.4 to 271 by 2;
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IF AA<K THEN DO;
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MODEL RY = A + B*AA;
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DER.A = 1;
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DER.B = AA;
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DER.K = 0;
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END;
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ELSE DO;
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MODEL RY = A + B*K;
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DER.A = 1;
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DER.B = K;
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DER.K = B;
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END;
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FILE PRINT;
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IF _OBS_ = 1 AND _MODEL_= 0 THEN DO;
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PLATEAU = A + B*K;
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PUT PLATEAU=;
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END;
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PLATEAU = A + B*K;
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ID PLATEAU;
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OUTPUT OUT=NEW P=PRY PARMS=A B K SSE=SSE;
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RUN;
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PROC PLOT;
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PLOT RY*AA='+' PRY*AA='*'/OVERLAY;
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RUN;
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/* For you information:
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*/
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/* This part of the program outputs Rsquares, significance,
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plateau, */
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/* and soil-test value at the joining point into a nice dataset.
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*/
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PROC MEANS NOPRINT;
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VAR RY SSE A B K PLATEAU;
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OUTPUT OUT=NEW2 N=TDF
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MEAN=RY SSE A B K PLATEAU
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CSS=CSST;
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DATA NEW3; SET NEW2;
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INTERCPT=A; SLOPE=B; JOINT=K;
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RSQ=(CSST-SSE)/CSST;
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EDF=TDF-3;
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SSR=CSST-SSE;
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MSR=SSR/2;
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MSE=SSE/EDF;
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F=MSR/MSE;
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PROBF=1-(PROBF(F,2,EDF));
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KEEP INTERCPT SLOPE JOINT PLATEAU RSQ F PROBF;
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PROC PRINT;
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RUN;
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作者:
神秘了一场雨
时间:
2011-12-21 19:12
作者:
自生为役~
时间:
2012-1-14 21:59
我要体力啊啊
作者:
lynli
时间:
2012-2-2 20:21
作者:
老牦
时间:
2012-2-19 22:18
。。。。。。。。。。。。。。。。。。。。。。。。。。。
作者:
071029
时间:
2012-9-14 13:48
额,不清楚
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