Hello,
I have a question concerning the output of leveneTest. I don't understand
the "7" in my output
Levene's Test for Homogeneity of Variance (center = median)
Df F value Pr(>F)
group 2 0.0173 0.9829
7 # Where does this number come from?
Thanks.
Hermann
> res
group.ID qtrait
1 0 6462.3288
2 0 816.7808
3 0 6031.3356
4 0 1013.5274
5 0 1517.2500
6 1 1585.2740
7 1 2481.6781
8 1 8871.5753
9 2 4913.5274
10 2 833.7329
> ltest <- leveneTest (qtrait~group.ID, res)
> ltest
Levene's Test for Homogeneity of Variance (center = median)
Df F value Pr(>F)
group 2 0.0173 0.9829
7
> dput (res)
structure(list(group.ID = structure(c(1L, 1L, 1L, 1L, 1L, 2L,
2L, 2L, 3L, 3L), .Label = c("0", "1", "2"), class = "factor"),
qtrait = c(6462.32876712329, 816.780821917808, 6031.33561643836,
1013.52739726027, 1517.25, 1585.27397260274, 2481.67808219178,
8871.57534246575, 4913.52739726027, 833.732876712329)), .Names =
c("group.ID",
"qtrait"), row.names = c(NA, -10L), class = "data.frame")
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