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Pratique de Sas Windows ...9.3 Volume 2 - Ined

Pratique de Sas Windows ...9.3 Volume 2 - Ined

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Si ne souhaitez pas arrondir, la<br />

comman<strong>de</strong> suivante suffira :<br />

submit /R;<br />

res.pca$var$coord[,1 :2]<br />

endsubmit ;<br />

Dim.1 Dim.2<br />

ESPV_H -0.29591131 0.57343612<br />

ESPV_F -0.12374125 0.59241564<br />

TXMORT_INF -0.27805789 -0.09624280<br />

OMNI 0.13440279 0.75966012<br />

SPE -0.49722452 0.78596988<br />

HOSP 0.36759508 0.39663037<br />

CMUC -0.25664355 0.14898419<br />

P019 -0.66796748 -0.64858515<br />

P2039 -0.91187111 0.04794467<br />

P4059 -0.01839014 0.15873722<br />

P6074 0.93251738 0.24084950<br />

P75p 0.88973062 0.37112061<br />

CHO -0.13727176 0.20032373<br />

PROP 0.81269615 -0.36350387<br />

RURAL 0.87751582 -0.25196244<br />

La comman<strong>de</strong> qui suit permet d’analyser le pourcentage d’inertie expliqué par chaque axe et la valeur propre <strong>de</strong><br />

chaque axe.<br />

submit /R;<br />

round(res.pca$eig,2)<br />

endsubmit ;<br />

eigenvalue percentage of variance cumulative percentage of<br />

variance<br />

comp 1 5.04 33.57 33.57<br />

comp 2 2.94 19.62 53.19<br />

comp 3 2.60 17.32 70.51<br />

comp 4 1.14 7.61 78.12<br />

comp 5 0.96 6.42 84.54<br />

comp 6 0.80 5.36 89.90<br />

comp 7 0.48 3.17 93.07<br />

comp 8 0.35 2.31 95.38<br />

comp 9 0.21 1.37 96.75<br />

comp 10 0.17 1.12 97.87<br />

comp 11 0.13 0.87 98.74<br />

comp 12 0.10 0.69 99.43<br />

comp 13 0.06 0.39 99.82<br />

comp 14 0.03 0.18 100.00<br />

comp 15 0.00 0.00 100.00<br />

Sous R, la fonction hclust permet <strong>de</strong> procé<strong>de</strong>r à une classification hiérarchique et ne nécessite aucune<br />

installation <strong>de</strong> package. La représentation graphique est ensuite effectuée à l’ai<strong>de</strong> <strong>de</strong> la comman<strong>de</strong> plot.<br />

submit /R;<br />

h2

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