²é¿´: 2780  |  »Ø¸´: 0

µ¶¹â

ľ³æ (ÖøÃûдÊÖ)

Ìú³æ

[ÇóÖú] PLSºÍSIMPLSËã·¨

clear all
clc

load('data.mat'); %Ô¤ÏȱàдÊý¾ÝÎļþdata.mat,²¢±£´æµ½µ±Ç°¹¤×÷·¾¶ÏÂ
X=data(:,1:5);
y=data(:,6:8);

% SIMPLSËã·¨½øÐÐ
N=5;
[XL,yl,XS,YS,beta,PCTVAR,MSE,stats] = plsregress(X,y,N);

% °´ÕÕÖØ×éÖ®ºóµÄ³É·Ö¶Ôԭʼ·½²îµÄ½âÊÍÁ¦¶È
figure(1)
plot(1:N,cumsum(100*PCTVAR(2,),'-bo');
xlabel('Number of PLS components');
ylabel('Percent Variance Explained in y');

% ²Ð²îͼ
figure(2)
yfit = [ones(size(X,1),1) X]*beta;
residuals = y-yfit;
corrcoef(y,yfit);

stem(residuals)
xlabel('Observation');
ylabel('Residual');

% ÄâºÏͼ£¨y yfit£©
figure(3)
plot(y,yfit,'o')

% ¼ÆËãÄâºÏÓŶȣ¬ÒÔR^2±íʾ
y1=y(:,1);
y2=y(:,2);
y3=y(:,3);
yfit1=yfit(:,1);
yfit2=yfit(:,2);
yfit3=yfit(:,3);

TSS1 = sum((y1-mean(y1)).^2);
RSS1 = sum((y1-yfit1).^2);
Rsquared1 = 1-RSS1/TSS1

TSS2 = sum((y2-mean(y2)).^2);
RSS2 = sum((y2-yfit2).^2);
Rsquared2 = 1-RSS2/TSS2

TSS3 = sum((y3-mean(y3)).^2);
RSS3 = sum((y3-yfit3).^2);
Rsquared3 = 1-RSS3/TSS3

myRSS=[Rsquared1,Rsquared2,Rsquared3]

% È¨ÖØ·Ö²¼Í¼
figure(4)
plot(1:N,stats.W,'o-');
legend({'c1','c2','c3','c4','c5','c6','c7'},'Location','NW')
xlabel('Predictor');
ylabel('Weight');
ÇëÎÊ[XL,yl,XS,YS,beta,PCTVAR,MSE,stats] = plsregress(X,y,N);Öи÷²ÎÊýÊÇָʲô£¿legend({'c1','c2','c3','c4','c5','c6','c7'},'Location','NW')È¨ÖØ·Ö²¼Í¼ÊÇÖ¸Ê²Ã´È¨ÖØ£¿Èç¹ûÒª¼ÓÒ»¸öÔ¤²âÄ£ÐÍÒªÔõô¼Ó£¿
»Ø¸´´ËÂ¥
Ðе½Ë®Çî´¦£¬×ø¿´ÔÆÆðʱ
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÖÇÄÜ»úÆ÷ÈË

Robot (super robot)

ÎÒÃǶ¼°®Ð¡Ä¾³æ

ÕÒµ½Ò»Ð©Ïà¹ØµÄ¾«»ªÌû×Ó£¬Ï£ÍûÓÐÓÃŶ~

¿ÆÑдÓСľ³æ¿ªÊ¼£¬ÈËÈËΪÎÒ£¬ÎÒΪÈËÈË
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ µ¶¹â µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +8 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 8/400 2026-08-28 14:41 by lkforward
[»ù½ðÉêÇë] »ù½ð²»ÖУ¬¹²Ãã +11 eulota 2026-08-26 11/550 2026-08-28 14:22 by »ðÐdz¬ÈËxi
[»ù½ðÉêÇë] ¹ú×ÔÈ»ÃæÉϸ´ÅÌ~»¶Ó­ÌÖÂÛ (½ð±Ò+5) +12 ÇçÌì¼ÓÓÍ 2026-08-26 13/650 2026-08-28 11:32 by skyjudy
[»ù½ðÉêÇë] Ôõô²é°¡ +6 huang1991js 2026-08-26 6/300 2026-08-28 08:42 by winsaint
[»ù½ðÉêÇë] ÃæÉϺÏ×÷µ¥Î»¸ÇÕ +5 ssyjh 2026-08-27 5/250 2026-08-27 20:50 by gdfollow
[»ù½ðÉêÇë] ¿´°åÉÏÕâô¶àÖеģ¬ÓеãÏñ50ÈËȺÀï49¸öÈ˶¼ÊÇÆ­×ÓµÄÄÇÖָоõ¡­¡­ +5 a089 2026-08-26 6/300 2026-08-27 14:05 by jonewore
[»ù½ðÉêÇë] Ôõô¿´Çà»ùÖÐÁËûÓа¡ +5 Ò¶¾Å΢ 2026-08-26 5/250 2026-08-27 10:35 by l_zh2008
[»ù½ðÉêÇë] ÎÒ²»Àí½â£¡ +15 Edward_pc 2026-08-26 23/1150 2026-08-26 20:34 by zzuzxg
[»ù½ðÉêÇë] ϵͳ²é²»µ½ +10 ¶­°Ëǧ 2026-08-26 10/500 2026-08-26 16:30 by Equinoxhua
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +9 Ñ׻ƹóëÐ 2026-08-22 10/500 2026-08-26 15:40 by semaglutide
[»ù½ðÉêÇë] ³öÀ´ÁË +9 trojank 2026-08-26 9/450 2026-08-26 14:25 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] Ϊʲô¹ú×ÔÈ»²»ÄÜÖ±½Ó¹«²¼ +4 bjdxyxy 2026-08-26 4/200 2026-08-26 13:12 by qingmu1201
[»ù½ðÉêÇë] ¹úºÏÀïÃæÄÜ¿´µ½ÁË +7 Ò»»³Ü°Çï 2026-08-26 7/350 2026-08-26 11:23 by zhaosm1982
[»ù½ðÉêÇë] ¹ú¼ÊºÏ×÷¿É²éÁË£¬ÖÐÁËÃæÉÏ (EPI+1)(½ð±Ò+50) +18 Ldrop2023 2026-08-26 18/900 2026-08-26 11:15 by cmrandy
[»ù½ðÉêÇë] ÏîÄ¿ÐÅÏ¢ºÍ¾­·ÑÐÅÏ¢ÔÚϵͳÀï¶¼¿ÉÒÔ¿´µ½ÁË +6 wittyboy 2026-08-26 14/700 2026-08-26 10:55 by wittyboy
[»ù½ðÉêÇë] ¹úºÏ¿É²éÁË +3 paperzjh 2026-08-26 3/150 2026-08-26 10:41 by LemmonTr
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] ÔÚ¼á±ù»¹¸Ç×ű±º£µÄʱºò£¬ÎÒ¿´µ½ÁËÅ­·ÅµÄ÷»¨¡£ (½ð±Ò+10) +6 ziyangfang 2026-08-25 9/450 2026-08-25 20:26 by huagongfeihu
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +8 scalable 2026-08-24 8/400 2026-08-25 12:52 by jnhyjjm
[»ù½ðÉêÇë] ½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã +13 kulium 2026-08-21 16/800 2026-08-24 16:27 by superceng
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û