Hi. This seems like it should be really obvious but I haven't been able to find a way to do it. I want to plot some data so that i have 3 levels of a factor variable on the x-axis, and then numeric values for the response variable on the y-axis. This would be a plot that is similar to a boxplot with the data points showing on it, except without the box and whiskers. Is there a plotting function in R to do this? thanks, bessie ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Bessie Green Markley M.S. Candidate, Dept. of Biology and Wildlife Alaska Cooperative Fish and Wildlife Research Unit Institute of Arctic Biology Sheenjek trailer, N. Koyukuk Drive University of Alaska Fairbanks 99775 907-474-1949
plotting numeric v. factor variables
2 messages · bessie green, Kingsford Jones
Hi Bessie,
library(lattice)
x <- rep(1:3, each=20)
y <- rnorm(60, x)
x <- c('level1', 'level2', 'level3')[x]
stripplot(y ~ x)
# or perhaps
stripplot(x ~ y, jitter=TRUE)
Kingsford Jones
On Fri, Jun 5, 2009 at 5:02 PM, bessie green<bessie.bug at gmail.com> wrote:
Hi. ?This seems like it should be really obvious but I haven't been able to find a way to do it. I want to plot some data so that i have 3 levels of a factor variable on the x-axis, and then numeric values for the response variable on the y-axis. ?This would be a plot that is similar to a boxplot with the data points showing on it, except without the box and whiskers. ?Is there a plotting function in R to do this? thanks, bessie ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Bessie Green Markley M.S. Candidate, Dept. of Biology and Wildlife Alaska Cooperative Fish and Wildlife Research Unit Institute of Arctic Biology Sheenjek trailer, N. Koyukuk Drive University of Alaska Fairbanks 99775 907-474-1949
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