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[ÇóÖú] Çó¹ãÒåÏßÐÔÄ£ÐÍGLMµÄº¯Êý±í´ïʽ ÒÑÓÐ1È˲ÎÓë

y=b0+b1*x1+b2*x2+b3*sin(x3)

y=[7.1;4.1;5.2;6.3];
x1=[1;2;3;4];
x2=[100;205;306;150];
x3=[8;10;12;5];

link º¯ÊýÊÇ normal£¬Çó glmfit µÄ±í´ïʽ£¬Çó b0, b1, b2, b3£¬Ð»Ð»¡£
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2Â¥: Originally posted by 512095518 at 2015-10-29 09:52:11
b0 = 3.3941
b1 = 1.5278
b2 = -0.0044
b3 = 2.6494

b = glmfit([x1 x2 x3],y,'normal','link','normal')
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3Â¥2015-10-29 09:55:10
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monitor2885: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2015-10-29 09:55:21
b0 = 3.3941
b1 = 1.5278
b2 = -0.0044
b3 = 2.6494
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2Â¥2015-10-29 09:52:11
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y=[7.1;4.1;5.2;6.3];
x1=[1;2;3;4];
x2=[100;205;306;150];
x3=[8;10;12;5];
x=[x1 x2 x3];
f=@(b,x)b(4)+b(1)*x(:,1)+b(2)*x(:,2)+b(3)*sin(x(:,3))
b0=[0 0 0 0]';
opt=optimset('TolFun',1e-3,'TolX',1e-3);
[b R]=nlinfit(x,y,f,b0,opt)

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4Â¥2015-10-29 09:55:11
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

monitor2885

ÖÁ×ðľ³æ (Ö°Òµ×÷¼Ò)

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ÒýÓûØÌû:
4Â¥: Originally posted by 512095518 at 2015-10-29 09:55:11
ÎÒ²»Ì«Ã÷°×¾ÍÊÇlinkº¯ÊýÊÇnormalÊÇʲôÒâ˼£¬ÎÒÓÃmatlab·ÇÏßÐÔÄâºÏ°ïÄãÇó³ö²ÎÊý

y=;
x1=;
x2=;
x3=;
x=;
f=@(b,x)b(4)+b(1)*x(:,1)+b(2)*x(:,2)+b(3)*sin(x(:,3))
b0=';
opt=optimset('TolFun',1e-3,'Tol ...

Èç¹ûд³É b = glmfit([x1 x2 sin(x3)],y,'normal') ¾Í¶ÔÁË¡£ÎªÊ²Ã´²»Ð´LinkÄØ£¿Ææ¹Ö¡£Äã¿´matlab helpÀïÃæÄǸöÆû³µµÄÀý×Ó£¬Ð´linkÁËѽ
Use the glmfit function to carry out the associated regression:

b = glmfit(w,[poor total],'binomial','link','logit')
b =
  -13.3801
    0.0042
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5Â¥2015-10-29 09:57:40
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