求sas小程序！急！

祸劫

本人现在急求sas的几个小程序，请各位高手帮忙！多谢啦！！
0 _9 \# b6 e$ T- e/ y主要想要下面几种：
1 过原点的线性加平台，求拐点
& F. ~  D- ?; d% j- H2 过原点的二次加平台，求拐点
# d: O6 X4 O6 i2 J4 D3 对数加平台，求拐点
2 O0 K1 c" a) k+ K1 Z% D; N
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。
# t2 c8 O) H1 c! G' f8 a/ j
5 t* G" E, O  }% MDATA A ;
2 l/ O" n6 U: y" q9 A5 Y( c* v. q  E+ fINPUT aa ry;
cards;
7 g5 i# a% k! n, D' |4 C11.8        58.72210953
# }5 ^. `0 `1 Z9 _20.1        88.0967142
8 M5 e0 g" l4 p9 p' z7 u20.1        81.24529722
20.1        84.29360695
20.1        81.10726644
15.6        98.75298664
+ d; I6 Z" u  f31.6        68.86474304
69.9        92.33568267
8.9        84.69947471
43.2        90.84231146
39.1        109.1894109
86.6        93.08064686
27.5        86.64394553
65.1        76.04877217
. D! t4 e) m$ @& Z0 p144.8        91.16522565
- N' M+ W$ l7 O" `* o- C60        78.80126767
52        94.33156385
. J$ H' e6 r. S! s9 V4 A32.7        95.63820283
! h, k, e2 A- s( p9 W6 z68.7        94.13253669
6 `7 R4 Z' C; d' _  p! j3 i  G101.4        89.24645622
84.25        101.196025
133.1        85.42372881
75.6        85.5045225
139.5        96.59318637
" S% \  v/ M, \7 H) Y  K# z$ i$ i56.4        107.7097506
0 o# `' c# \  a3 _5 ^" o112        94.01759531
& }! Z( I& U5 }" q- f* T8 v45        97.63031155
76.6        85.12898331
14        92.92788563
264        84.72287086
11.8        27.16763006
8.9        66.1675435
" a" R- n, j, e' q0 T) g8.4        69.86062718
" |+ b1 c- R6 T4 g! ^5 |( N" Q48.2        95.39295393
85        90.46265185
$ p0 E8 W5 Y# `5 Y- [; ^56.66666667        96.16099071
, l' U: j& d. d8 Q4 t21.5        89.88411761
167        87.70897566
/ C# a4 k8 K2 l4 c130.5        97.58812616
167.5        99.29691725
27.5        94.3345668
27.8        83.32801701
! I7 X3 T& [/ Q, _33.7        84.03827751
8 t" b: v* f9 b121.3        62.1226565
1 d. e' O' m* R! U4 o" X199.8        79.47899302
270.5        72.63651182
7 {5 M+ Q4 [8 }$ h( @+ j206        87.08424454
107.5        72.13753714
134.9        88.94919802
179        107.8421955
3.4        77.79831933
12.5        69.97430957
" H6 p5 J7 {% L12.5        41.72274563
12.5        42.59395726
2 T& q6 P- f8 }! W8 f21.5        96.77574591
18        80.52768162
8 l! |( a/ l4 L0 R7 s# D$ g3 Y17.5        91.15776212

1 d, V( A+ l$ x. g


7 L1 V: |5 g+ l9 H5 z, e) u



( J; ]$ J+ k/ L7 N
;
TITLE1 'Yield Response Data';
# Z$ s" ~& }/ s  f/ p- ~: l% ]TITLE2 'LRP Model';
PROC NLIN DATA=A BEST=3;
PARMS A=27 to 112 by 5 B=0 to 30 by 1 K 3.4 to 271 by 2;
$ z" |; K3 @% s1 G& E) MIF AA<K THEN DO;
MODEL RY = A + B*AA;
$ |: |; M: I: s4 b7 V2 D" ODER.A = 1;
DER.B = AA;
DER.K = 0;
) ], x" s6 ~7 f, |# Q! j/ K9 }END;
9 s3 C% \  g+ y3 Q9 D% i/ mELSE DO;
* b8 Y, h1 |9 {/ d0 lMODEL RY = A + B*K;
! g1 ~5 e5 V+ x% b  Y+ W3 j5 D5 ~DER.A = 1;
( P: y- r% w; fDER.B = K;
DER.K = B;
END;
% ^! [, L# J4 @FILE PRINT;
IF _OBS_ = 1 AND _MODEL_= 0 THEN DO;
8 x8 A$ @4 ?9 F( t1 ~PLATEAU = A + B*K;
( G7 }3 M2 E# e: v( ?PUT PLATEAU=;
END;
PLATEAU = A + B*K;
ID PLATEAU;
  g5 \2 b. `1 x& @' h6 ^# F% ]OUTPUT OUT=NEW P=PRY PARMS=A B K SSE=SSE;
RUN;
# J3 N% Z, N+ b# WPROC PLOT;
2 V& l5 V, Z- ~# h  C* dPLOT RY*AA='+' PRY*AA='*'/OVERLAY;
RUN;
/*   For you information:
     */
. `6 y! e$ H# c7 c# y  g/*   This part of the program outputs Rsquares, significance,
0 R5 c. }0 M# @. i4 V. Iplateau,  */
/*   and soil-test value at the joining point into a nice dataset.
    */
PROC MEANS NOPRINT;
VAR RY SSE A B K PLATEAU;
/ N" u  d  k: ~- i9 Q! cOUTPUT OUT=NEW2 N=TDF
                MEAN=RY SSE A B K PLATEAU
                CSS=CSST;
DATA NEW3; SET NEW2;
0 b) c/ v* S* U; w9 PINTERCPT=A; SLOPE=B; JOINT=K;
( S9 H3 g0 I' `7 H* {- b' d- f/ s; XRSQ=(CSST-SSE)/CSST;
EDF=TDF-3;
+ X2 O3 I; Q1 g3 X" m+ t, YSSR=CSST-SSE;
. P0 p$ o  v/ b/ V% XMSR=SSR/2;
3 |- O! |. d8 Z! H9 J7 a5 J9 UMSE=SSE/EDF;
* p/ p) v8 U3 A) ?F=MSR/MSE;
PROBF=1-(PROBF(F,2,EDF));
KEEP INTERCPT SLOPE JOINT PLATEAU RSQ F PROBF;
PROC PRINT;
RUN;
+ y& r7 y( F- G

神秘了一场雨

自生为役~

我要体力啊啊

lynli

老牦

。。。。。。。。。。。。。。。。。。。。。。。。。。。

071029

额，不清楚