Test du Khi-Deux Regression Polytomique
Bonjour,
Voilà, je dois dire si mon test est significatif et pour cela, je dois faire le test du Khi-deux. Mais avec la fonction plr, je n'arrive pas à trouver la null deviance, ni les degrés de liberté. Pouvez-vous me dire ce qui ne va pas?
Merci beaucoup d'avance

 Code : Sélectionner tout - Visualiser dans une fenêtre à part
```1234567891011121314151617181920212223242526272829303132333435363738> library(MASS)
> res.log=polr(as.factor(babbie\$RACSEG)~babbie\$CHLDIDEL+babbie\$MARITAL+babbie\$DIVORCE+babbie\$RELIG+babbie\$CAPPUN+babbie\$GUNLAW+babbie\$AGE+babbie\$CLASS+babbie\$EDUC+babbie\$INCOME+babbie\$PRESTIGE+babbie\$RACE+babbie\$SEX)
Warning messages:
1: glm.fit: fitted probabilities numerically 0 or 1 occurred
2: In polr(as.factor(babbie\$RACSEG) ~ babbie\$CHLDIDEL + babbie\$MARITAL + :
le plan ne semble pas de rang plein, des coefs seront ignorés
> res.log
Call:
polr(formula = as.factor(babbie\$RACSEG) ~ babbie\$CHLDIDEL + babbie\$MARITAL +
babbie\$DIVORCE + babbie\$RELIG + babbie\$CAPPUN + babbie\$GUNLAW +
babbie\$AGE + babbie\$CLASS + babbie\$EDUC + babbie\$INCOME +
babbie\$PRESTIGE + babbie\$RACE + babbie\$SEX)

Coefficients:
babbie\$CHLDIDEL babbie\$MARITALWIDOWED babbie\$DIVORCENO babbie\$RELIGCATHOLIC
-0.13086434 -0.27531892 -0.09568848 0.09827679
babbie\$RELIGJEWISH babbie\$RELIGNONE babbie\$RELIGOTHER babbie\$CAPPUNOPPOSE
-0.19175206 0.62844251 1.05549529 0.65082338
babbie\$GUNLAWOPPOSE babbie\$AGE babbie\$CLASSWORKING CLASS babbie\$CLASSMIDDLE CLASS
0.13776417 -0.01905891 1.38584977 1.57484033
babbie\$CLASSUPPER CLASS babbie\$EDUC babbie\$INCOME\$1000 TO 2999 babbie\$INCOME\$4000 TO 4999
1.96055062 0.15659665 0.98099707 0.79981971
babbie\$INCOME\$5000 TO 5999 babbie\$INCOME\$6000 TO 6999 babbie\$INCOME\$7000 TO 7999 babbie\$INCOME\$8000 TO 9999
-1.21322912 1.61169447 -0.96981957 1.09523040
babbie\$INCOME\$10000 - 14999 babbie\$INCOME\$15000 - 19999 babbie\$INCOME\$20000 - 24999 babbie\$INCOME\$25000 OR MORE
-0.32201231 0.76451158 0.59557883 0.13397247
babbie\$INCOMEREFUSED babbie\$PRESTIGE babbie\$RACEBLACK babbie\$RACEOTHER
-0.02571935 0.01296688 4.17169852 -2.03020004
babbie\$SEXFEMALE
0.30623725

Intercepts:
AGREE STRONGLY|AGREE SLIGHTLY AGREE SLIGHTLY|DISAGREE SLIGHTLY DISAGREE SLIGHTLY|DISAGREE STRONGLY
0.4322874 1.9326187 3.5418714

Residual Deviance: 524.7881
AIC: 588.7881
(1120 observations deleted due to missingness)```