From: Josh B <joshb41_at_yahoo.com>

Date: Sat, 16 Apr 2011 06:04:56 -0700 (PDT)

Josh Banta, Ph.D

Center for Genomics and Systems Biology

New York University

100 Washington Square East

New York, NY 10003

Tel: (212) 998-8465

http://plantevolutionaryecology.org

R-help_at_r-project.org mailing list

https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Sat 16 Apr 2011 - 16:20:54 GMT

Date: Sat, 16 Apr 2011 06:04:56 -0700 (PDT)

Here is my latest formatting problem. I would like to rotate the x-axis labels
by 45 degrees on a _barplot_. Apparently this is slightly different from the
example given in the R FAQ, which is for rotating the x-axis labels on a
scatterplot

(http://cran.r-project.org/doc/FAQ/R-FAQ.html#How-can-I-create-rotated-axis-labels_003f).

I have adapted that code, as best I could, and here is what I have come up with so far:

x <- c(4, 1, 1, 1)

barplot(x, space = 0)

#the "space = 0" argument, above, just reflects my personal preference for
having no space between the bars

text(1:4, par("usr")[3] - 0.025, srt = 45, adj = 1, labels = c("< 750",
"750-1000", "1000-1250", "> 1250"), xpd = TRUE, font = 2)

The graph this generates is pretty close to what I want, but here's where I'm stuck: How do I move the x-axis labels to the _center_ of each bar? Right now, they line up with the right-side of each bar.

Thank you very much in advance.

Sincerely,

Josh Banta, Ph.D

Center for Genomics and Systems Biology

New York University

100 Washington Square East

New York, NY 10003

Tel: (212) 998-8465

http://plantevolutionaryecology.org

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https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. Received on Sat 16 Apr 2011 - 16:20:54 GMT

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