If you rename two or more levels with the same string, R collapses them.
Using gsub like you suggest works well. If there are more than the two
characters causing problems you may need to expand the pattern that's
being matched. With the example you sent, this works:
df <- structure(c(6L, 4L, 8L, 8L, 10L, 6L, 3L, 7L, 5L, 3L, 3L, 3L,
3L, 3L, 3L, 5L, 5L, 5L, 5L, 5L, 5L, 7L, 7L, 7L, 7L, 7L, 7L,
7L,
9L, 3L, 3L, 3L, 5L, 9L, 9L, 5L, 5L, 7L, 7L, 7L, 7L, 7L, 7L,
9L,
9L, 9L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 3L, 5L, 5L, 5L,
9L,
9L, 9L, 9L, 9L, 9L, 9L, 9L, 7L, 7L, 7L, 7L, 9L, 9L, 4L, 4L,
4L,
4L, 4L, 4L, 4L, 6L, 6L, 6L, 6L, 8L, 8L, 8L, 8L, 8L, 8L, 8L,
8L,
8L, 7L, 10L, 10L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 6L, 6L,
6L,
6L, 5L, 5L, 5L, 5L, 5L, 5L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L,
8L,
8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 10L, 10L, 10L, 10L,
10L,
10L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 8L, 4L, 4L, 4L, 4L,
4L,
4L, 6L, 6L, 8L, 8L, 8L, 10L, 10L, 4L, 4L, 4L, 6L, 6L, 6L,
8L,
8L, 10L, 10L, 10L, 4L, 4L, 4L, 4L, 3L, 8L, 8L, 8L, 8L, 4L,
4L,
4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 6L, 6L, 6L,
6L,
6L, 6L, 6L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L, 8L,
8L,
8L, 8L, 8L, 10L, 10L, 4L, 4L, 4L, 4L, 4L, 4L, 4L, 6L, 8L,
8L,
8L, 8L, 10L, 10L, 10L, 10L, 10L, 10L, 10L, 2L, 4L, 4L, 4L,
4L,
4L, 5L, 6L, 6L, 7L, 3L, 3L, 5L, 5L, 7L, 7L, 7L, 3L, 3L, 3L,
3L,
3L, 3L, 3L, 3L, 3L, 3L, 5L, 5L, 5L, 5L, 5L, 5L, 5L, 5L, 7L,
7L,
7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 9L, 3L, 3L, 3L,
3L,
5L, 7L, 7L, 7L, 7L, 7L, 7L, 9L, 9L, 9L, 9L, 9L, 9L, 9L, 9L,
9L,
9L, 9L, 11L, 3L, 5L, 5L, 5L, 5L, 5L, 5L, 5L, 5L, 5L, 5L, 7L,
7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L, 7L,
1L,
3L, 6L, 5L, 3L, 3L, 3L, 3L, 3L, 5L, 5L, 5L, 7L, 7L, 7L, 7L,
7L,
7L, 9L, 1L, 3L, 3L, 3L, 3L, 3L, 3L, 5L, 5L, 5L, 5L, 5L, 7L,
7L,
7L, 7L, 7L, 7L, 7L, 9L, 9L, 9L, 3L, 3L, 3L, 5L, 5L, 5L, 5L,
5L,
7L, 7L, 7L, 3L, 3L, 7L, 5L, 4L, 6L, 6L, 6L, 6L, 8L, 8L, 10L,
3L, 4L, 5L, 7L, 3L, 3L, 3L, 5L, 5L, 7L, 7L, 7L, 7L, 7L, 7L,
7L,
7L, 7L), .Label = c("1 - Type1", "1 – Type1", "2 - Type2",
"2 – Type2",
"3 - Type3", "3 – Type3", "4 - Type4",
"4 – Type4", "5 - Type5",
"5 – Type5", "Unassigned"), class =
"factor")
levels(df) <- gsub("–", replacement="-", x=levels(df))
table(df)
df
1 - Type1 2 - Type2 3 - Type3 4 - Type4 5 - Type5 Unassigned
3 116 89 147 63 1
On 2014-03-28 11:29, Jason Rupert wrote:
Evidently different sized dashes were used in my data set. Using gsub
or some other method, is there a way to use a consistent dash? With
the different dash types it is difficult to build histograms, tables,
barplots and perform other analysis.
Thanks again for your help and insights.
1 - Type1
1 – Type1
2 - Type2
2 – Type2
3 - Type3
3 – Type3
4 - Type4
4 – Type4
5 - Type5
5 – Type5
Etc.
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
