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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!!: j# Q$ b X0 D* q' Z
主要想要下面几种:
7 j3 `: i2 a9 k' }" c- _+ ?( Q9 {1 过原点的线性加平台,求拐点- Y: x2 S2 D' Q1 i, i$ B V2 u
2 过原点的二次加平台,求拐点: x1 ^8 b3 L3 T/ ?, J: B
3 对数加平台,求拐点3 }* t( ~2 t! N: l' |2 S
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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。* L# h. c* m* F/ G$ E
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DATA A ;6 B& X1 J7 B2 l7 U. w9 L
INPUT aa ry;
; q8 N( r& L# d+ rcards;
& u9 ^1 g* E; R6 J11.8 58.72210953* L7 C% B9 H% r3 G) n
20.1 88.0967142: x. m; M5 H: t: X5 A1 S
20.1 81.24529722
0 l5 ^/ u/ L' @4 C+ s20.1 84.29360695
8 M$ d. j8 ~8 O: C0 G20.1 81.10726644
* U3 g: {6 z% o5 N u2 w- ~15.6 98.75298664' K0 ], c+ S$ C8 z6 d, a) D
31.6 68.86474304* X! a% } U% F1 j$ `
69.9 92.33568267: K, d8 u: n& `
8.9 84.699474716 Z4 f: z/ R: M
43.2 90.84231146( n+ J9 ?5 w. }+ P: E2 j" l* x
39.1 109.1894109
W1 V5 K0 G0 b3 K/ t9 ~0 I' V/ D5 _86.6 93.08064686
; c1 B0 E+ J/ _) I; P/ K27.5 86.64394553/ F/ H. }$ I* z/ v5 |* |
65.1 76.04877217
$ S* I2 m) W; `. E/ K/ b144.8 91.165225653 W: n' I) m" [* k" l2 z
60 78.80126767
, o2 V/ L$ Y% O1 W9 n1 r& r52 94.33156385
" } H5 z4 r$ ?. T# N' K32.7 95.63820283
, L8 W* s2 S' C4 T/ T68.7 94.13253669
$ t9 ]" v! u; i3 [ G' f! t. \2 W101.4 89.24645622$ @* q9 Z7 @; v" ^ x0 q \0 L/ |
84.25 101.196025
+ |9 _# N$ E0 @. j- I133.1 85.42372881* F2 R0 }) D0 A4 s9 q+ `5 p8 [
75.6 85.5045225 L# V0 F1 h& l/ S' q
139.5 96.59318637 h; E _: H: g w
56.4 107.7097506
2 ~' Z+ ~$ y& H1 F112 94.01759531
6 d4 H% ?4 E3 G45 97.63031155" N& g& o+ H8 f* e6 `
76.6 85.12898331+ a( ]7 v2 X9 Q3 H5 P
14 92.927885635 n7 Z# L* y' V& {/ F
264 84.72287086
/ F& Q4 q! ^& ]6 P! }7 @7 w11.8 27.16763006- b4 B$ H: u) W1 \! l7 Q
8.9 66.1675435
* S8 K" j& U! v3 p% |: W, T8.4 69.86062718
' e, L" P0 _0 z1 A A48.2 95.39295393
* s' A% s! a9 G' j/ ]: r85 90.46265185! Z* q+ p* w* m! t, Z0 B
56.66666667 96.16099071
2 j- a% f' G: b3 C- t ?21.5 89.884117616 j' c1 O4 e h5 h
167 87.70897566
) Y& f3 U* B! g130.5 97.58812616& U( N: R( r$ h; F: a
167.5 99.296917253 w$ n& I4 \; ]: G
27.5 94.3345668
' H( i" L |2 N9 g$ f6 T27.8 83.32801701* n, |+ F; Q: e; T) |; i8 m* x
33.7 84.038277511 g% I( j- `( s" R
121.3 62.12265656 W- \- f0 N) d1 M/ e1 v
199.8 79.47899302. O0 w; w4 v7 @1 r; y+ r7 N5 @7 R
270.5 72.63651182
. ]. x4 ^7 L8 n+ {* x! K: L206 87.08424454
, Z& _7 e1 f6 [$ [' u# D# l107.5 72.13753714; h0 p( F2 l# ^ `
134.9 88.94919802
8 L8 `0 \, e, u: O4 E" b179 107.84219556 F% \% `: J2 J% i" T' z5 } S8 m
3.4 77.79831933
1 x& N" g; c, y1 a12.5 69.97430957
. u1 W N, P0 o+ F7 ~12.5 41.72274563
4 ~2 z5 q5 D- D) M [, w12.5 42.593957260 Z, m& J, o: ^- T
21.5 96.77574591; m9 W2 Y: |, t" H! H- o" W
18 80.52768162
: m! {2 x, n. ]" p+ Q2 {17.5 91.15776212
9 c2 ]8 i5 N2 _
: n( L! s6 q6 H, H m' J9 a1 H, ]& j3 s' \+ e7 q$ R" `
# i: n) w* u+ \4 B' h, A2 v7 W
1 O) k0 q. f' c9 j
( x* a. \! k6 W* ^/ V* `$ ?% t2 F# C. r, W1 r/ H0 C
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TITLE1 'Yield Response Data';
) B' A2 E2 Z/ T- E( p* qTITLE2 'LRP Model';, D" o# b: Z: r7 `; J6 t
PROC NLIN DATA=A BEST=3;
0 B% p. ?2 n$ S: G6 T0 S/ hPARMS A=27 to 112 by 5 B=0 to 30 by 1 K 3.4 to 271 by 2;
; O' t+ f1 l# AIF AA<K THEN DO;
+ G* V- q1 F* q; K7 mMODEL RY = A + B*AA;
. F+ T& k/ j W& Z2 M+ X) VDER.A = 1;
$ V3 K' [% i( h: X5 ~DER.B = AA;/ }! p0 B8 v7 G! A2 |" h# y; u
DER.K = 0;9 n7 k* s) I& M* e) T; X
END;
; M; w" S# G' W O( K# f; h( [ELSE DO;
* x x, `" y2 z8 ?+ z) Z( s$ LMODEL RY = A + B*K;6 T5 ?5 H5 B/ M3 J6 ~' L
DER.A = 1;0 l4 X$ [% t( ^; Q6 U; n
DER.B = K;
: B$ v4 U( y0 L' q; b8 f. YDER.K = B;) \. i7 J5 I. Q: ]( g* d
END;" V3 B& k& L3 p0 q1 W/ ^
FILE PRINT;6 M. S( H' ], A- C$ K0 D0 j" a
IF _OBS_ = 1 AND _MODEL_= 0 THEN DO;
Z6 w$ m' ]& B# w; D' fPLATEAU = A + B*K;+ o0 k% |/ ?* c8 N! @
PUT PLATEAU=; h+ ]; N( q) ~% s
END; Z8 e0 q6 @+ W, ?; s. s
PLATEAU = A + B*K;5 X4 C4 E! ~6 f$ Q8 S, w
ID PLATEAU;
, C6 c0 ^: i" |9 nOUTPUT OUT=NEW P=PRY PARMS=A B K SSE=SSE;$ w6 R2 p' G6 x2 k& @# f* B
RUN;
2 l7 L. n# N7 K0 i- {PROC PLOT;8 I$ k/ O+ C3 i$ } m! h/ a$ p( O
PLOT RY*AA='+' PRY*AA='*'/OVERLAY;% {6 e) W: f! E
RUN;
* h2 p r0 R5 x- U: Z7 j9 N/* For you information:" n. s3 ^+ ?) r1 c7 j
*/
7 z: E: U. }- m8 k% ?/* This part of the program outputs Rsquares, significance,
( R* r1 ?8 q$ F: b, K7 dplateau, */6 k# d) Z) _1 T5 q( L
/* and soil-test value at the joining point into a nice dataset.2 P3 k) f* }/ T( v
*/
, l9 w- P* t# e/ ]PROC MEANS NOPRINT;
6 _/ T$ K1 P" `) dVAR RY SSE A B K PLATEAU;% m% w% f" w' \
OUTPUT OUT=NEW2 N=TDF3 O5 S: Y! f! v, ?6 i' Y1 ~5 B
MEAN=RY SSE A B K PLATEAU7 J( h+ ^ c6 B) N5 T
CSS=CSST;
) x/ M) u4 k: m# SDATA NEW3; SET NEW2;
, B) G/ d h* |0 t2 bINTERCPT=A; SLOPE=B; JOINT=K;
' K) v$ A1 x0 e$ r" R9 NRSQ=(CSST-SSE)/CSST;
& O6 |1 h+ V( r7 EEDF=TDF-3;0 V, F" \ ]; v% R5 ~1 E- g7 l
SSR=CSST-SSE;, g/ J' P5 L f+ h0 b2 g
MSR=SSR/2;$ _ @$ Y: U: |3 G2 ^
MSE=SSE/EDF;
- h, r' z N9 X$ d, ]0 x; ~( UF=MSR/MSE;, f' q( k/ P( G0 O y* z9 h& J
PROBF=1-(PROBF(F,2,EDF));
9 U( l. G. x! S8 G+ b( E& QKEEP INTERCPT SLOPE JOINT PLATEAU RSQ F PROBF;& H. A3 @4 z( x6 r4 C' S
PROC PRINT;5 M" A" L) e3 u
RUN;
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