File:Overfitting-model.png

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Revision as of 12:28, 6 November 2009 by Mderakhs (talk | contribs) (uploaded a new version of "File:Overfitting-model.png": num_points=20; amp=30; x=unique(amp*rand(num_points,1)); num_points=size(x,1); e=10*rand(num_points,1)-2.5; y=2*x+e; n=10; p = polyfit(x,y,n); newx=[0:amp]; newy=polyval(p,newx); hold off; plot()
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Overfitting-model.png(560 × 420 pixels, file size: 5 KB, MIME type: image/png)

x=20*rand(9,1); x=sort(x); x=[0;x;20]; e=rand(size(x,1),1); plot(x,2*x+10*e,'*','MarkerEdgeColor','k'); hold on plot(x,2*x+10*e,'-.','MarkerEdgeColor','k'); hold on; plot(nx,2*nx+5 ,'-r'); h = legend('The training data set','An overfitting model', 'A line' ,3, 'Location', 'NorthWest');

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current16:07, 6 November 2009Thumbnail for version as of 16:07, 6 November 2009560 × 420 (5 KB)Mderakhs (talk | contribs)num_points=20; amp=30; error_amp=15; x=unique(amp*rand(num_points,1)); num_points=size(x,1); e=error_amp*rand(num_points,1)-error_amp/2; y=2*x+e; n=10; p = polyfit(x,y,n); newx=[0:amp]; newy=polyval(p,newx); hold off; plot(x,y,'*','MarkerEdgeColor','k');
12:28, 6 November 2009Thumbnail for version as of 12:28, 6 November 2009560 × 420 (6 KB)Mderakhs (talk | contribs)num_points=20; amp=30; x=unique(amp*rand(num_points,1)); num_points=size(x,1); e=10*rand(num_points,1)-2.5; y=2*x+e; n=10; p = polyfit(x,y,n); newx=[0:amp]; newy=polyval(p,newx); hold off; plot(x,y,'*','MarkerEdgeColor','k'); hold on; plot(newx,newy, '-'
01:12, 2 November 2009Thumbnail for version as of 01:12, 2 November 2009814 × 568 (8 KB)Mderakhs (talk | contribs)x=20*rand(9,1); x=sort(x); x=[0;x;20]; e=rand(size(x,1),1); plot(x,2*x+10*e,'*','MarkerEdgeColor','k'); hold on plot(x,2*x+10*e,'-.','MarkerEdgeColor','k'); hold on; plot(nx,2*nx+5 ,'-r'); h = legend('The training data set','An overfitting model', 'A lin
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