scale_linetype

0th

Percentile

Scale for line patterns.

Default line types based on a set supplied by Richard Pearson, University of Manchester. Line types can not be mapped to continuous values.

Usage
scale_linetype(..., na.value = "blank")

scale_linetype_continuous(...)

scale_linetype_discrete(..., na.value = "blank")

Arguments
na.value
The linetype to use for NA values.
...
common discrete scale parameters: name, breaks, labels, na.value, limits and guide. See discrete_scale for more de
Aliases
  • scale_linetype
  • scale_linetype_continuous
  • scale_linetype_discrete
Examples
library(reshape2) # for melt
library(plyr) # for ddply
ecm <- melt(economics, id = "date")
rescale01 <- function(x) (x - min(x)) / diff(range(x))
ecm <- ddply(ecm, "variable", transform, value = rescale01(value))

qplot(date, value, data=ecm, geom="line", group=variable)
qplot(date, value, data=ecm, geom="line", linetype=variable)
qplot(date, value, data=ecm, geom="line", colour=variable)

# See scale_manual for more flexibility
Documentation reproduced from package ggplot2, version 0.9.3.1, License: GPL-2

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