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  • 2015-06-27 22:14:21, 14.02 K

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dingd

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Jounry-Jo: ½ð±Ò+7, ¡ï¡ï¡ïºÜÓаïÖú, лл 2015-06-28 20:21:16
fegg7502: ½ð±Ò+1, ¹ÄÀø½»Á÷ 2015-06-29 08:36:56
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µÚÒ»×飺
¾ù·½²î(RMSE):1.07205511441145
²Ð²îƽ·½ºÍ(SSE):48.2706910701012
Ïà¹ØÏµÊý(R): 0.939291118069207
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.8822678044837
È·¶¨ÏµÊý(DC): 0.882147234885844
¿¨·½ÏµÊý(Chi-Square): 1.7441087621366
Fͳ¼Æ(F-Statistic): 61.0931783656144

²ÎÊý        ×î¼Ñ¹ÀËã
----------        -------------
a21        11.9497208389958
a31        17.4598494080349
a12        -6.19190121843902
a32        0.00659902374601305
a13        4.12126008280832
a23        -0.296670034331323

µÚ¶þ×飺
¾ù·½²î(RMSE):0.973759323354068
²Ð²îƽ·½ºÍ(SSE):34.135459913483
Ïà¹ØÏµÊý(R): 0.97164462582794
Ïà¹ØÏµÊý֮ƽ·½(R^2): 0.944093278900318
È·¶¨ÏµÊý(DC): 0.944088417392726
¿¨·½ÏµÊý(Chi-Square): 1.25185088936219
Fͳ¼Æ(F-Statistic): 107.312290588236

²ÎÊý        ×î¼Ñ¹ÀËã
----------        -------------
a21        7.4558436152277
a31        13.1441376631054
a12        6.26895600341922
a32        3.27183196434597
a13        -3.59060566306702
a23        3.09901050411686
3Â¥2015-06-28 16:11:34
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wuhanfeng

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2Â¥2015-06-28 12:16:22
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Jounry-Jo

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by wuhanfeng at 2015-06-28 12:16:22
ÓгõʼֵÂ𣿻òÕß´ó¸ÅÓиö·¶Î§£¿

Ï£ÍûR2×îºÃÄÜ9.5ÒÔÉÏ£¬×îºÃµÄÊÇËĸö²ÎÊýÖµ¶¼ÊǼ¸Ç§£¬³õÖµ¿ÉÒÔÉè500-600¡£
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4Â¥2015-06-28 20:18:52
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muzili2008

ľ³æ (СÓÐÃûÆø)

¡ï
fegg7502: ½ð±Ò+1, ¹ÄÀø½»Á÷ 2015-07-07 09:13:30
ÒýÓûØÌû:
4Â¥: Originally posted by Jounry-Jo at 2015-06-28 20:18:52
Ï£ÍûR2×îºÃÄÜ9.5ÒÔÉÏ£¬×îºÃµÄÊÇËĸö²ÎÊýÖµ¶¼ÊǼ¸Ç§£¬³õÖµ¿ÉÒÔÉè500-600¡£
ʵÔÚ²»Ðеϰ£¬ÁíÒ»ÖÖÇé¿öÊÇËĸö²ÎÊýÖµ¶¼ºÜС¡£Ð»Ð»...

clc
clear
% http://muchong.com/bbs/viewthread.php?tid=9102854&fpage=4&target=blank
data = xlsread('data.xlsx');
x1 = data(:,1);
x2 = data(:,2);
x3 = data(:,3);
y  = data(:,4);
beta0 = ones(6,1)*1e-5;
options = optimset('TolFun'    , 1e-15, ...
                   'TolX'      , 1e-15, ...
                  'MaxFunEvals', 1e5, ...
                  'MaxIter'    , 1e4 );
[X,RESNORM,RESIDUAL,EXITFLAG,OUTPUT,LAMBDA,JACOBIAN]= ...
    lsqnonlin(@OptObjFunc,beta0,[],[],options,x1,x2,x3,y);

y_err =  OptObjFunc(X,x1,x2,x3,y);
y_cal = y-y_err;
plot(y_cal,y,'r*')
axis([0 20 0 20])
% ===================================
function ans = OptObjFunc(param,x1,x2,x3,y)
% [a12,a21,a13,a31,a23,a32] = beta;
m = size(x1,1);
y_cal = zeros(m,1);
for i = 1:m
    y_cal(i) = nrtl3comp(x1(i),x2(i),x3(i),param);
end
ans = y-y_cal;
% ============================================
function y = nrtl3comp(x1,x2,x3,param)
a12 = param(1);
a21 = param(2);
a13 = param(3);
a31 = param(4);
a23 = param(5);
a32 = param(6);
y=(a21*exp(-0.3*a21)*x2+a31*exp(-0.3*a31)*x3)/(x1+exp(-0.3*a21)*x2+exp(-0.3*a31)*x3) ...
-(a21*exp(-0.3*a21)*x2+a31*exp(-0.3*a31)*x3)/(x1+exp(-0.3*a21)*x2+exp(-0.3*a31)*x3) ...
*x1/(x1+exp(-0.3*a21)*x2+exp(-0.3*a31)*x3)+ ...
a12-(a12*exp(-0.3*a12)*x1+a32*exp(-0.3*a32)*x3)/ ...
(x2+exp(-0.3*a12)*x1+exp(-0.3*a32)*x3)*x2* ...
exp(-0.3*a12)/(x2+exp(-0.3*a12)*x1+exp(-0.3*a32)*x3)+a13 ...
-(a13*exp(-0.3*a13)*x1+a23*exp(-0.3*a23)*x2)/ ...
(x3+exp(-0.3*a13)*x1+exp(-0.3*a23)*x2)*exp(-0.3*a13)*x3/ ...
(x3+exp(-0.3*a13)*x1+exp(-0.3*a23)*x2)        ;


5.4478£»6.184£»-3.5576£»13.645£»-14.644£»2.5835
5Â¥2015-07-06 22:43:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
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