On Mar 17, 2010, at 8:57 PM, Soyeon Kim wrote:
Dear All,
My data looks like this
new_ns
chr nc_two nc_not_two
1 1 488 58
2 2 325 114
3 3 233 79
4 4 200 153
5 5 239 53
6 6 196 313
7 7 229 45
8 8 231 137
9 9 164 111
10 10 156 45
11 11 181 92
12 12 179 52
13 13 72 30
14 14 73 62
15 15 185 25
16 16 93 42
17 17 84 50
18 18 33 17
19 19 31 40
20 20 49 8
21 21 12 16
22 22 26 37
new_ns$chr
[1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
Levels: 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 3 4 5 6 7 8 9
but when I run this : plot(new_ns$chr,new_ns$nc_two)
the order of new_ns$chr is 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22
3 4 5 6 7 8 9
how can fix this order to 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
16 17 18 19 20 21 22 in the plot ?
> new_ns$chr <- factor(as.character(new_ns$chr))
> new_ns$chr
# I needed to apply as.character to a numeric vector before factor()
to get this ordering.
# Otherwise it with the expected order.
[1] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
Levels: 1 10 11 12 13 14 15 16 17 18 19 2 20 21 22 3 4 5 6 7 8 9
> levels(new_ns$chr) <- 1:22
> new_ns$chr
[1] 1 12 16 17 18 19 20 21 22 2 3 4 5 6 7 8 9 10 11 13 14 15
Levels: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
I attached the plot.
Correction: you probably tried to attach the plot. If so, it was
scrubbed by the mail server because you did not follow the directions
in the Posting Guide.
David Winsemius, MD
West Hartford, CT
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