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Adding vertical line to histogram and qplot "stacked" plot
3 messages · Jason Rupert, Felipe Carrillo, Duncan Murdoch
Jason: Check Hadley's page, there's a few examples there. Good luck http://had.co.nz/ggplot2/geom_vline.html Felipe D. Carrillo Supervisory Fishery Biologist Department of the Interior US Fish & Wildlife Service California, USA
--- On Thu, 1/29/09, Jason Rupert <jasonkrupert at yahoo.com> wrote:
From: Jason Rupert <jasonkrupert at yahoo.com>
Subject: [R] Adding vertical line to histogram and qplot "stacked" plot
To: R-help at r-project.org
Date: Thursday, January 29, 2009, 11:03 AM
R-users it appears I am leaning on your knowledge once
again.? Is there any way to add a?vertical line to a
histogram and qplot "stacked" plot?? Here is my
current attempt:
?
"qplot" approach attempt:
qplot(Run, data = data_dataframe, breaks = breaks, fill =
Temperature,?main = short_title)
+?scale_x_continuous("Data") +
scale_y_continuous("Freq")
+??scale_fill_discrete("Temperature") +
scale_fill_manual(values = c(LOW = "blue", AMB
="black", HIGH = "red")) +?
geom_abline(v = HighVal, col = "dodgerblue3",
lty="dotdash")
?
?
"hist"?approach attempt:
hist(data_dataframe, breaks = breaks,? col =
"dodgerblue3", xlab="Data", freq = TRUE,
main="") +abline(v = HighVal, col =
"dodgerblue3", lty="dotdash")??
?
Neither seem to be working.? I think I am missing
something small to get this to work.?
?
Thank you again for any feedback you can provide.
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On 1/29/2009 2:03 PM, Jason Rupert wrote:
R-users it appears I am leaning on your knowledge once again. Is there any way to add a vertical line to a histogram and qplot "stacked" plot? Here is my current attempt:
"qplot" approach attempt:
qplot(Run, data = data_dataframe, breaks = breaks, fill = Temperature, main = short_title) + scale_x_continuous("Data") + scale_y_continuous("Freq") + scale_fill_discrete("Temperature") + scale_fill_manual(values = c(LOW = "blue", AMB ="black", HIGH = "red")) + geom_abline(v = HighVal, col = "dodgerblue3", lty="dotdash")
"hist" approach attempt:
hist(data_dataframe, breaks = breaks, col = "dodgerblue3", xlab="Data", freq = TRUE, main="") +abline(v = HighVal, col = "dodgerblue3", lty="dotdash")
Are you using ggplot2? It uses that notation of adding elements to a plot. Classic graphics doesn't, so you would just give the different commands separately on each line, e.g. hist(data_dataframe, breaks = breaks, col = "dodgerblue3", xlab="Data", freq = TRUE, main="") abline(v = HighVal, col = "dodgerblue3", lty="dotdash")