Dear R Help,
I have a set of data of heights of trees described by area that they are in.
The areas are numerical (0 to 7).
ht area
1 320 3
2 410 4
3 230 2
4 360 3
5 126 1
6 280 2
7 260 2
8 280 2
9 280 2
10 260 2
.......
180 450 4
181 90 1
182 120 1
183 440 4
184 210 2
185 330 3
186 210 2
187 100 1
188 0 0
I want to convert the area column values to factors, to do an anova. However,
if I use:
df$areaf <- factor(df$area, labels=c("0","I","II","III","IV","V","VI","VII"))
it gives the following message:
Error in factor(df$area, labels = c("0", "I", "II", "III", "IV", "V", "VI", :
invalid labels; length 8 should be 1 or 7
Can anyone help?
Jabez
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