{"id":284,"date":"2013-07-08T17:11:07","date_gmt":"2013-07-08T13:41:07","guid":{"rendered":"http:\/\/vua.nadiran.com\/?p=284"},"modified":"2013-07-08T17:17:22","modified_gmt":"2013-07-08T13:47:22","slug":"%d9%85%d8%ab%d8%a7%d9%84-%d8%b1%da%af%d8%b1%d8%b3%db%8c%d9%88%d9%86-%d8%b1%db%8c%d8%ac-%d8%aa%d9%88%d8%b3%d8%b7-%d8%ae%d8%a7%d9%86%d9%85-%d8%af%da%a9%d8%aa%d8%b1-%d8%a7%d9%85%db%8c%d9%86-%d8%ba%d9%81","status":"publish","type":"post","link":"https:\/\/vua.nadiran.com\/?p=284","title":{"rendered":"\u0645\u062b\u0627\u0644 \u0631\u06af\u0631\u0633\u06cc\u0648\u0646 \u0631\u06cc\u062c \u062a\u0648\u0633\u0637 \u062e\u0627\u0646\u0645 \u062f\u06a9\u062a\u0631 \u0627\u0645\u06cc\u0646 \u063a\u0641\u0627\u0631\u06cc"},"content":{"rendered":"

\u062a\u0648\u0636\u06cc\u062d \u0631\u06af\u0631\u0633\u06cc\u0648\u0646 \u0631\u06cc\u062c :
\n\u0645\u0642\u06cc\u0627\u0633\u06cc \u06a9\u0647 \u0645\u06cc\u062e\u0648\u0627\u0647\u06cc\u0645 \u0645\u06cc\u0646\u06cc\u0645\u0645 \u06a9\u0646\u06cc\u0645 \u0645\u062c\u0645\u0648\u0639 \u0645\u0631\u0628\u0639\u0627\u062a \u062e\u0637\u0627 \u0627\u0633\u062a
\n\u0628\u0647 \u0634\u0631\u0637\u06cc \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639 \u0645\u0631\u0628\u0639\u0627\u062a \u0636\u0631\u0627\u06cc\u0628 \u0627\u0632 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0628\u0627\u0634\u062f<\/p>\n

\u0645\u0639\u0627\u062f\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u0645\u06cc\u062a \u0631\u0627 \u0645\u06cc \u0646\u06cc\u0645\u0645 \u06a9\u0646\u06cc\u0645
\n\u0644\u0627\u0646\u062f\u0627 \u0647\u0645\u0627\u0646 \u0636\u0631\u06cc\u0628 \u0644\u0627\u06af\u0631\u0627\u0646\u0698 \u0627\u0633\u062a<\/p>\n

\n

load hald<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 k = 0:.01:1;<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b = ridge(heat, ingredients, k);<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 plot(k, b’);<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 xlabel(‘Ridge parameter’); ylabel(‘Standardized coef.’);<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 title(‘Ridge Trace for Hald Data’)<\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 legend(‘x1′,’x2′,’x3′,’x4’);<\/p>\n

\"ridge-regression-1\"<\/a><\/p>\n

clear all;<\/p>\n

close all;<\/p>\n

x=randn(2,100);<\/p>\n

x(2,:)=-5*x(1,:)+4+2*randn(1,100);<\/p>\n

x=x’;<\/p>\n

Y=x(:,2);<\/p>\n

X=[x(:,1)];<\/p>\n

%[b,bint,R,Rint,stats]=regress(Y,X);<\/p>\n

k=0;<\/p>\n

for lambda=0:.1:10<\/p>\n

\u00a0\u00a0\u00a0 k=k+1;<\/p>\n

\u00a0\u00a0\u00a0 b=ridge(Y,X,lambda,0);<\/p>\n

\u00a0\u00a0\u00a0 Yhat=X*b(2:end)+b(1);<\/p>\n

\u00a0\u00a0\u00a0 R=Y-Yhat;<\/p>\n

\u00a0\u00a0\u00a0 % plot(x(:,1),Y,’*g’)<\/p>\n

\u00a0\u00a0\u00a0 % hold on<\/p>\n

\u00a0\u00a0\u00a0 % plot(x(:,1),R,’+r’)<\/p>\n

\u00a0\u00a0\u00a0 sse(k)=R’*R;<\/p>\n

end<\/p>\n","protected":false},"excerpt":{"rendered":"

\u062a\u0648\u0636\u06cc\u062d \u0631\u06af\u0631\u0633\u06cc\u0648\u0646 \u0631\u06cc\u062c : \u0645\u0642\u06cc\u0627\u0633\u06cc \u06a9\u0647 \u0645\u06cc\u062e\u0648\u0627\u0647\u06cc\u0645 \u0645\u06cc\u0646\u06cc\u0645\u0645 \u06a9\u0646\u06cc\u0645 \u0645\u062c\u0645\u0648\u0639 \u0645\u0631\u0628\u0639\u0627\u062a \u062e\u0637\u0627 \u0627\u0633\u062a \u0628\u0647 \u0634\u0631\u0637\u06cc \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639 \u0645\u0631\u0628\u0639\u0627\u062a \u0636\u0631\u0627\u06cc\u0628 \u0627\u0632 \u06cc\u06a9 \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0648\u0686\u06a9\u062a\u0631 \u0628\u0627\u0634\u062f \u0645\u0639\u0627\u062f\u0644 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u0645\u06cc\u062a \u0631\u0627 \u0645\u06cc \u0646\u06cc\u0645\u0645 \u06a9\u0646\u06cc\u0645 \u0644\u0627\u0646\u062f\u0627 \u0647\u0645\u0627\u0646 \u0636\u0631\u06cc\u0628 \u0644\u0627\u06af\u0631\u0627\u0646\u0698 \u0627\u0633\u062a load hald \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 k = 0:.01:1; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 b = ridge(heat, ingredients, k); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 plot(k, b’); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 […]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-284","post","type-post","status-publish","format-standard","hentry","category-19","category-19-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"_links":{"self":[{"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=\/wp\/v2\/posts\/284"}],"collection":[{"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=284"}],"version-history":[{"count":3,"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=\/wp\/v2\/posts\/284\/revisions"}],"predecessor-version":[{"id":287,"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=\/wp\/v2\/posts\/284\/revisions\/287"}],"wp:attachment":[{"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vua.nadiran.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}