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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!!
7 n' Q' l6 s7 ?: v主要想要下面几种:
2 |- o G( I8 l0 o/ \1 过原点的线性加平台,求拐点
5 u1 ^' Q# C( w4 w' P. [0 k8 y2 过原点的二次加平台,求拐点' m; c* E* n4 P$ E
3 对数加平台,求拐点; u4 A' b* y$ n; u
9 [6 z$ q) e3 ~0 u7 ^
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。
% B) m$ Z5 w0 Q( u0 T4 v1 Y
; C6 J3 x$ F& B# q* gDATA A ;5 D: E. C5 R7 Y; y6 ~: l
INPUT aa ry;
9 r$ Y' N) {2 scards;
% w3 g+ k6 S: q, Y" u4 u! [1 X% G11.8 58.72210953
! X, Z9 b% l: V3 e8 Z0 l1 K5 J20.1 88.09671425 j! ]. I- g, [0 s
20.1 81.24529722% C. B2 q: F0 R1 S
20.1 84.29360695
! i" t6 v" S* A- }* u4 N$ N20.1 81.10726644- L: I0 \$ v, N$ t$ N! n" E
15.6 98.75298664
% I. Q7 \: j; V1 v! U& h' u3 M31.6 68.864743045 ?7 K" }" D, V: f O
69.9 92.33568267
+ p, V+ i" ~/ o% S) T' y' s+ N8.9 84.69947471+ S* j2 T4 w8 b. _1 Y8 r6 a
43.2 90.84231146! w, {# E1 K5 G% x7 v1 w
39.1 109.1894109
1 A# q y% v% K. C7 i2 T86.6 93.080646860 `! [4 u# f3 v' P) J! y* }* P, ~. K
27.5 86.64394553
3 A6 @$ b; m6 }" s65.1 76.048772179 l& C! q! \, a& K! { R6 f
144.8 91.16522565
) I* R# m% H/ K8 Y" H2 [60 78.80126767
4 j* K; e% Y2 p52 94.33156385% M2 \5 @- h2 l0 @, E7 ?5 v3 ~4 L
32.7 95.63820283
$ \7 o4 B* G% ~- P# T* C68.7 94.13253669" B) p6 R; {1 N9 H
101.4 89.24645622' x; Y6 c0 Z0 T" Q! A
84.25 101.1960250 h# u& K# m" Z6 Q! w# a' r
133.1 85.42372881( U( l. k+ o# c5 F* @" @
75.6 85.5045225
9 \2 q# v2 G; B r139.5 96.593186377 C1 m5 |4 w; ]- f
56.4 107.7097506( }! Z: T% m/ s4 g$ _* K# k3 t9 A4 P* G
112 94.017595318 w; t: x* E& [) U$ q, U3 H
45 97.63031155& A# w8 [, E+ p- B1 p7 ~
76.6 85.12898331% k8 ~$ G+ d) s' m
14 92.92788563* M- f3 B. A& r9 Z
264 84.722870862 C7 Y; v! ^2 Y1 a T9 \ a
11.8 27.16763006
& b1 _' E# U6 ~( d, `% t7 }8.9 66.1675435
9 m+ g" C" l# B- f; g8.4 69.86062718
7 V& b8 ~; N5 e+ K8 l6 s48.2 95.39295393
8 `$ Z) L+ h$ G1 C \" ?2 z9 U+ |/ V85 90.462651852 ^0 w9 P' o8 J! p. {' V$ _1 e \& l
56.66666667 96.16099071
2 D# ~- K& O! n O21.5 89.88411761
6 H. @( w# V5 B- Q6 s+ C167 87.70897566 g' u7 e2 F* T* M. |
130.5 97.58812616
5 `/ K' y3 G: r+ R; l. T167.5 99.296917254 b8 r) e9 m7 E8 H
27.5 94.3345668
6 }1 Y0 G2 \8 n% I2 K27.8 83.32801701
" q' J* P/ {+ W1 r% n33.7 84.03827751" L$ ~) Y, B" O
121.3 62.1226565- r; N6 ?4 ]0 M) S, C8 b( b" W
199.8 79.478993029 z- A: D/ T. F" A" t7 ~
270.5 72.63651182, z$ K& k1 R; |5 R/ v- [
206 87.084244545 E5 A, h$ H$ g. \+ U9 r
107.5 72.13753714
7 G3 i: B7 K$ F. Z( `' `( r7 h1 s1 w134.9 88.94919802 V, l8 V7 \9 I6 W- ]* a" `
179 107.8421955
' J% Y M# \ ?% f3.4 77.79831933& K/ y4 Z( R6 H0 o# x
12.5 69.97430957
1 t' E4 ^/ \ l. B/ t% s( l) B12.5 41.72274563
, p+ g8 ~) ~. d12.5 42.593957269 A# I. @6 B8 u) p0 l
21.5 96.77574591* w" B7 {6 f" r/ D& y/ F
18 80.52768162( E& N; E' u5 N0 m3 N
17.5 91.15776212 d8 A! `7 ~# J+ }6 U8 ^( g
! z) Z3 g. J8 U( {# h$ O1 e3 p0 h6 `& r2 F7 b7 V
% L$ _! I5 A, v' t2 B8 c
- I& _6 P0 j$ _9 v) s* |1 D3 B* H+ l1 j+ \
" U2 h5 o' ^. M
' x7 E: E: d# l- d
2 Z; S# e9 n* s5 n- {5 w% j
4 z. J9 H1 b) W1 U! X& X;. k `: m+ k ~9 R# @
TITLE1 'Yield Response Data';
+ x% |2 C1 W/ W5 A. oTITLE2 'LRP Model';3 [; z; H! e2 U% C
PROC NLIN DATA=A BEST=3;$ L/ y$ }) P, U2 p
PARMS A=27 to 112 by 5 B=0 to 30 by 1 K 3.4 to 271 by 2;
z0 W3 q4 q: u4 r) R5 ~IF AA<K THEN DO;
3 Z6 r$ w. e3 u2 BMODEL RY = A + B*AA;
/ P$ V; M$ S! D' f" T( g$ {DER.A = 1;
% i! y( J, ]' R. p" `$ {9 D6 DDER.B = AA; C& H/ D) L$ {0 i7 ~ h$ a9 v
DER.K = 0;& G3 u! Z" _) L0 }( g \) M
END;
' b; {# F3 m7 Y# ZELSE DO;2 C) {( I% c: [8 m3 Q" d
MODEL RY = A + B*K;2 S+ K6 p1 s) j( m
DER.A = 1;) _, F: p# l$ B2 v3 p- J
DER.B = K;
; P" h& N/ e. N: Z/ O% ?3 V1 YDER.K = B;
: L' y( ]' K0 t) pEND;2 r$ o+ ?6 J9 B6 v6 r
FILE PRINT; N7 c7 {, r5 {0 M+ ?. g
IF _OBS_ = 1 AND _MODEL_= 0 THEN DO;' W& t5 ~/ F/ o7 D
PLATEAU = A + B*K;" ?! o5 l3 C. }2 y) s
PUT PLATEAU=;
+ J/ T; y' M2 x- REND;% |! g/ G- t% u. d! l6 _# j" l
PLATEAU = A + B*K;
) |8 e4 p! H7 d: d- cID PLATEAU;
( P- i- r- V% E5 GOUTPUT OUT=NEW P=PRY PARMS=A B K SSE=SSE;' o. j1 r3 S4 O- ~$ Q9 t/ k
RUN;- n5 r1 r* k" E9 P+ Q
PROC PLOT;7 _% |5 x. b3 |/ P! R
PLOT RY*AA='+' PRY*AA='*'/OVERLAY;
2 k% I k, R' `9 x/ C: [RUN;( l# Z" g$ j8 n+ F1 p
/* For you information:
. K4 C2 V8 o0 u4 v; ]: W L! N! ^3 h */
9 Y. Z8 e4 D1 [! F/* This part of the program outputs Rsquares, significance," d: `3 `" O `4 w2 h
plateau, */
0 X' @) [9 T* ^" D" X0 X/ P0 l: R* T/* and soil-test value at the joining point into a nice dataset.
5 b( \" J: n( Y, Q% T */* i4 U4 a& I7 M/ b
PROC MEANS NOPRINT;
# V( y8 R: k/ T/ x9 z0 P4 hVAR RY SSE A B K PLATEAU;, W6 G6 z# e5 ~8 K; V) v, D# `" k
OUTPUT OUT=NEW2 N=TDF
) C8 J6 ~& e& `3 R MEAN=RY SSE A B K PLATEAU B) G0 V6 z( c/ i
CSS=CSST;2 S2 x) I, i; j, s4 S }- I# G
DATA NEW3; SET NEW2;
$ ?, R7 J( d1 k4 c0 tINTERCPT=A; SLOPE=B; JOINT=K;3 z* X, {& q; J4 {6 {7 x
RSQ=(CSST-SSE)/CSST;
r% S4 A" v, J) F8 g# [( W8 hEDF=TDF-3;
. \5 f2 I6 T5 `) k7 t1 x! N. M! J$ lSSR=CSST-SSE;( P1 b7 t% j2 n8 G) c5 d
MSR=SSR/2;: W& `7 N1 |7 O9 C/ S; ^
MSE=SSE/EDF;
& V0 }: y- ?, t, [# }F=MSR/MSE;4 w" p: s2 m- l2 U% \' r; u) N
PROBF=1-(PROBF(F,2,EDF));
; n, n" r* o' W/ {/ Y& ~KEEP INTERCPT SLOPE JOINT PLATEAU RSQ F PROBF;
3 b: K$ F+ s; Q/ ~3 L1 iPROC PRINT;
d+ U; n# V( r8 p: v) M CRUN;" S8 j& I, D+ G
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