Donald Braman wrote:
Can someone help me understand this results?
levels(as.factor(miset1$facts_convict))
[1] "1" "1" "2" "3" "4" "5" "6"
Don't know how you got your data that way, but I
wonder if you've done str() on your data after
whatever procedure you used to get to this stage.
Here's one way to get this pathological state:
set.seed(2)
x <- sample(5, 15, rep=TRUE)
y <- factor(x, levels=c(1, 1:5)) ## repeating level "1"
levels(y)
[1] "1" "1" "2" "3" "4" "5"
converting to numeric and back doesn't seem to help:
levels(as.factor(as.numeric(miset1$facts_convict)))
[1] "1" "1" "2" "3" "4" "5" "6"
I suspect that miset1$facts_convict is already a factor
[str() would tell you] and that the following comment
from ?factor applies:
"In particular, as.numeric applied to a factor is meaningless ..."
If my guess is correct, you should be able to fix things with
newy <- factor(y)
levels(newy)
[1] "1" "2" "3" "4" "5"
-Peter Ehlers
It's messing up my ologits. Any way to correct this?
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