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升级   53.68% TA的每日心情 | 郁闷 2011-10-18 21:19 |
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签到天数: 1 天 [LV.1]初来乍到
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本人现在急求sas的几个小程序,请各位高手帮忙!多谢啦!!, d$ X* U- I t0 X
主要想要下面几种:
6 L4 n; b2 N8 T: {$ Q. _1 过原点的线性加平台,求拐点
+ u6 c9 U. @* e2 过原点的二次加平台,求拐点
* \% m/ ^ ~% b* o+ C# g/ i8 X3 对数加平台,求拐点
& o4 W% k5 d5 [5 ~* s! Z r3 o8 X! @
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。
) w# |% @' k3 `# I8 A5 z) G: m7 w; [0 F/ E% A! I! Y& h
DATA A ;! C3 {" A4 u& v
INPUT aa ry; O5 a1 l' n+ b$ j+ z' T
cards;+ `$ k; _4 W4 j1 X: i* F1 ~3 P
11.8 58.72210953' x b. J3 ^$ {6 \* k
20.1 88.09671428 a7 N5 F6 L$ _9 k- I' q, B
20.1 81.24529722* i, R5 B$ a( |* Y% X+ A: l7 G
20.1 84.29360695- h9 K; b: D! E9 f" g& g
20.1 81.10726644
- |; n4 y p: N% G' w15.6 98.75298664
: f- q- T: t/ N: [) @$ z$ S. Y, l4 r31.6 68.86474304
1 N0 _, A5 p/ s$ H9 f& ^' H69.9 92.33568267 o$ D% B' D6 C8 w, _
8.9 84.69947471
) s4 A( ~$ X/ o43.2 90.84231146% ^0 X- e7 Y( @ Y8 f6 U( M
39.1 109.1894109" p! Q! a2 p K1 P! M' k I
86.6 93.08064686
& X$ H6 k N2 U/ W, Z8 U1 z: l27.5 86.64394553) K+ v7 ]; \, i _; I
65.1 76.04877217
8 |+ `: {- Y/ l$ c' ?( s144.8 91.16522565* N: w6 K \8 [9 c$ Z9 B" D
60 78.80126767
; ^" S6 [; e0 W+ h+ p+ l52 94.33156385) S0 `0 L0 n: Z; a: w4 s* V; o
32.7 95.63820283
( V6 v& l' q3 y- P68.7 94.13253669
) V% B m2 I W) c" R101.4 89.24645622
. P1 X& q9 i; S5 W& Q# q84.25 101.196025: ^% C1 P& U' d L! d5 b/ a0 j
133.1 85.42372881" A! m2 D1 g3 E9 S4 M4 ]' X% K
75.6 85.5045225- k P1 V$ n. w( w" Y7 P0 U& @
139.5 96.59318637: F/ x6 ` P& r6 V. J' P1 K
56.4 107.7097506; e+ d9 g- \' C' N3 i7 d5 O
112 94.01759531' X; [5 H6 }$ |) q: `6 g s7 s* ?1 O3 L
45 97.63031155
^- k* {' ]3 r% b2 K5 n8 P76.6 85.12898331( T, S* C) v* _% O4 y: Z
14 92.92788563
2 i6 v. h7 _' d8 }264 84.722870869 u# J; \ `8 ^/ ?
11.8 27.16763006. j4 B! {1 w( m6 s3 u
8.9 66.16754359 n% C: b0 ^' i) y6 P! L1 P
8.4 69.86062718
0 o o# y' a6 x; ^ B48.2 95.39295393
% t* f4 M( n" R9 P85 90.46265185+ K! M8 V% O" y- n/ J( a/ \9 p+ M5 m
56.66666667 96.16099071, ]0 @" c. t4 ^$ e B
21.5 89.88411761# N( ?+ t: o! t3 ?% O* ?% v8 y" b
167 87.70897566
% C, E0 I0 U3 P a130.5 97.58812616
+ o4 [) T, s- E$ A6 P( ^# T; x167.5 99.296917250 k1 Q7 h) l/ Z
27.5 94.3345668
0 L7 O6 T) g r( H% k" W% z( l27.8 83.32801701
7 B$ Q) g8 G+ [( y+ z33.7 84.03827751
+ T- [/ F8 z, A121.3 62.1226565# }- }. @) T: l/ [/ X/ R
199.8 79.47899302
* i3 A: @& G$ \7 @- `# x! u270.5 72.63651182, B: I" p! P/ f4 F2 a1 W& d- a f
206 87.08424454
$ [3 D1 }/ {, x107.5 72.13753714
/ v* [4 F5 t/ Q/ m" r8 U9 w134.9 88.94919802
5 Z }+ b- H" } l179 107.8421955
6 x/ F! c3 P4 l' S- I) w3.4 77.798319336 o/ s8 F W$ O5 N/ D- V
12.5 69.97430957* |% ^) L% f8 x7 g! g+ {
12.5 41.72274563
2 N2 i8 _2 d$ f& \& j12.5 42.59395726
. a( K$ J9 ?9 R& j21.5 96.77574591
% d% }' W( M; M! a0 h! p) o18 80.52768162
- i2 M- H1 ?/ O: ~2 f17.5 91.15776212
; P5 f( j8 {7 f, h/ C
1 ^9 W# N7 w" D$ B3 i v4 r' z. w# n0 d
* Q* q! ?/ V& B% Q# ~5 M
: [0 O) b- g, z8 \/ R o# r) U7 J, C- c& Q) P4 c+ T& v
% H) O' \% U% H0 P* U, C; G5 |
6 k: q, s' B8 M& O* h% A, f, R, p; D ]
3 ?8 g1 ~. }0 S% R( K
;
& M/ S& p* ]4 r* ~& ^TITLE1 'Yield Response Data';
( l. j0 n1 Q: ~% C0 PTITLE2 'LRP Model';7 H+ O4 e2 H2 K0 C- B& h
PROC NLIN DATA=A BEST=3;
, d9 I" s) d! y. Y$ G' l/ F I* DPARMS A=27 to 112 by 5 B=0 to 30 by 1 K 3.4 to 271 by 2;. x) j" ]7 m7 ?1 K! A E
IF AA<K THEN DO;
- b$ Y; j& c+ d; u9 iMODEL RY = A + B*AA;9 O# H% B5 z) l6 Z7 o
DER.A = 1;
5 X4 e$ A8 Y0 S, EDER.B = AA;
/ Z6 z+ W: l9 C3 `0 DDER.K = 0;5 T3 w! ~% L2 z' Y
END;$ @3 P# H( }; t9 M. D# g; o
ELSE DO;
$ W8 E2 q( h+ m+ SMODEL RY = A + B*K;% W# Y* _% P& D4 J: u2 D
DER.A = 1;
0 h" O ^; h q& U3 ]DER.B = K;. S9 B5 N/ _9 ?) J. C8 g, G
DER.K = B;3 w7 L* s, r3 [* y. _
END;
$ U9 q- b% H- r" x) pFILE PRINT;& r, e( F. `1 H# s
IF _OBS_ = 1 AND _MODEL_= 0 THEN DO;( Y( g' }7 F" J9 @ r/ E
PLATEAU = A + B*K;
7 I+ V7 H8 Z" i& C: n8 a, JPUT PLATEAU=;: B' ]& Z/ b8 P0 s q7 H. v
END;
6 ]: b$ W4 f* c9 k* X W/ l7 f9 tPLATEAU = A + B*K;
. c& p) _5 v; t8 n; W* VID PLATEAU;
8 [& ?/ F: j* BOUTPUT OUT=NEW P=PRY PARMS=A B K SSE=SSE;6 [2 N$ x. m( X! N
RUN;
+ D3 C, W& M$ [# gPROC PLOT;$ ]9 d: \- \1 m' ~2 G% p+ y
PLOT RY*AA='+' PRY*AA='*'/OVERLAY;+ J! A0 I; l2 I' s/ J1 R
RUN;: {7 c) E U6 m
/* For you information:
* A1 ?8 B4 T1 R) \: E& V+ i/ I *// o0 l: D. x/ J T. z
/* This part of the program outputs Rsquares, significance,
2 G. i, O) A0 o* ^ A7 vplateau, */5 H& i% P! z/ b: v" A) ~
/* and soil-test value at the joining point into a nice dataset.% b' N" z& k3 r' z! Z
*/) a7 ]1 d8 t3 X4 I3 Q+ P
PROC MEANS NOPRINT;# Q% _; O; f$ l% Q I O2 ?% i
VAR RY SSE A B K PLATEAU;' s5 \5 M. I7 l! r3 g2 W8 [7 _
OUTPUT OUT=NEW2 N=TDF6 u* _+ r2 O# a9 L# E" ~& u* l/ y" U
MEAN=RY SSE A B K PLATEAU9 t* |1 b# H$ n* J( z% q
CSS=CSST;/ b4 {% T) b! ~
DATA NEW3; SET NEW2;
. E h- _) ]4 h" tINTERCPT=A; SLOPE=B; JOINT=K;
: h1 |; B. u1 C( D+ ?RSQ=(CSST-SSE)/CSST;& J& N( M5 ?# {. t$ J
EDF=TDF-3;
6 W1 C, W+ V& h, JSSR=CSST-SSE;( T6 h# G) q% q, J$ p
MSR=SSR/2;! A1 \. m/ m) |! ?1 U+ F% c5 X
MSE=SSE/EDF;
# S5 F* d: n9 g9 B/ y* ~F=MSR/MSE;
, c$ k+ S; t4 i4 XPROBF=1-(PROBF(F,2,EDF));0 Q, [: `2 r( J
KEEP INTERCPT SLOPE JOINT PLATEAU RSQ F PROBF;+ r% c# H) X/ G3 v8 d- h
PROC PRINT;
$ d* v0 n9 L/ YRUN;
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zan
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