File:Maximum de vraisemblance position loi normale centree reduite.svg

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Français : Maximum de vraisemblance : influence de la tendance centrale.

Les tirages aléatoires sont représentés par des traits pointillés (pour des raisons pratiques, nous avons choisi les déciles de la loi normale centrée réduite).

Créé avec Scilab, modifié avec Inkscape.
English: Maximum likehood: influence of the central tendency.

The random values are represented by dashed lines (for practical reason, we used the deciles of the standard normal distribution).

Created with Scilab, modified with Inkscape.
Date
Source Own work
Author Cdang

Scilab source

Scilab source
Scilab source
 This media was created with Scilab, a free open-source software.

Here is a listing of the Scilab source used to create this file. 

// L'exécution de ce script nécessite le module CASCI

// déciles

Y = 0.1:0.1:0.9;
X = idfnormal(Y, 0, 1);
n = size(Y, "*");

// lois normales

x = -2:0.1:2

y1 = pdfnormal(x, -1, 1);
y2 = pdfnormal(x, 0, 1);
y3 = pdfnormal(x, 0, 0.5);
y4 = pdfnormal(x, 0, 2);

scf(0)
clf;

// tracé des positions

for i = 1:n
    xpoly([X(i), X(i)], [0, 0.41], "lines");
    h = gce();
    h.line_style=2;
end
plot2d(x', [y1', y2'], style=[1 2])

scf(1)
clf;

// tracé de spositions

for i = 1:n
    xpoly([X(i), X(i)], [0, 0.81], "lines");
    h = gce();
    h.line_style=2;
end
plot2d(x', [y3', y2', y4'], style=[1 2 3])

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You are free:
  • to share – to copy, distribute and transmit the work
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Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

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Date/TimeThumbnailDimensionsUserComment
current11:24, 20 June 2013Thumbnail for version as of 11:24, 20 June 20131,126 × 838 (167 KB)Cdang (talk | contribs)User created page with UploadWizard

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