how to compare two model in r using ANOVA
mod2=lm(r$Crime~r$Ineq)
> mod3=lm(r$Crime~r$Wealth+r$Ineq)
> anova(mod2,mod3)
Analysis of Variance Table
Model 1: r$Crime ~ r$Ineq
Model 2: r$Crime ~ r$Wealth + r$Ineq
Res.Df RSS Df Sum of Sq F Pr(>F)
1 45 6660397
2 44 4137694 1 2522703 26.826 5.32e-06 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
>
mod2=lm(r$Crime~r$Ineq)
> mod3=lm(r$Crime~r$Wealth+r$Ineq)
> anova(mod2,mod3)
Analysis of Variance Table
Model 1: r$Crime ~ r$Ineq
Model 2: r$Crime ~ r$Wealth + r$Ineq
Res.Df RSS Df Sum of Sq F Pr(>F)
1 45 6660397
2 44 4137694 1 2522703 26.826 5.32e-06 ***
---
Signif. codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1
>
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