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eduyrs
2010 Aug 31
1
anova and lm results differ
Dear all
I have found that the two "equivalent" commands do not produce the same results.
1. (I wrote this command by hand, this is what I would do usually)
>summary(aov(eduyrs ~ cntry * edf, data=ESS1))
Df Sum Sq Mean Sq F value Pr(>F)
cntry 1 257 256.65 21.2251 4.243e-06 ***
edf 4 11010 2752.42 227.6296 < 2.2e-16 ***
cntry:edf 4 24 6.03 0.4987 0.7367
Residuals 3205 38754 1...