Ribbons, y range with continuous x values.

Ribbons, y range with continuous x values.

geom_ribbon(mapping = NULL, data = NULL,
    stat = "identity", position = "identity",
    na.rm = FALSE, ...)
The aesthetic mapping, usually constructed with aes or aes_string. Only needs to be set at the layer level if you are overriding the plot defaults.
A layer specific dataset - only needed if you want to override the plot defaults.
The statistical transformation to use on the data for this layer.
The position adjustment to use for overlappling points on this layer
If FALSE (the default), removes missing values with a warning. If TRUE silently removes missing values.
other arguments passed on to layer. This can include aesthetics whose values you want to set, not map. See layer for more details.

[results=rd,stage=build]{ggplot2:::rd_aesthetics("geom", "ribbon")} # Generate data huron <- data.frame(year = 1875:1972, level = as.vector(LakeHuron)) library(plyr) # to access round_any huron$decade <- round_any(huron$year, 10, floor)

h <- ggplot(huron, aes(x=year))

h + geom_ribbon(aes(ymin=0, ymax=level)) h + geom_area(aes(y = level))

# Add aesthetic mappings h + geom_ribbon(aes(ymin=level-1, ymax=level+1)) h + geom_ribbon(aes(ymin=level-1, ymax=level+1)) + geom_line(aes(y=level))

# Take out some values in the middle for an example of NA handling huron[huron$year > 1900 & huron$year < 1910, "level"] <- NA h <- ggplot(huron, aes(x=year)) h + geom_ribbon(aes(ymin=level-1, ymax=level+1)) + geom_line(aes(y=level))

# Another data set, with multiple y's for each x m <- ggplot(movies, aes(y=votes, x=year)) (m <- m + geom_point())

# The default summary isn't that useful m + stat_summary(geom="ribbon", fun.ymin="min", fun.ymax="max") m + stat_summary(geom="ribbon","median_hilow")

# Use qplot instead qplot(year, level, data=huron, geom=c("area", "line"))

geom_bar for discrete intervals (bars), geom_linerange for discrete intervals (lines), geom_polygon for general polygons"

  • geom_ribbon
Documentation reproduced from package ggplot2, version, License: GPL-2

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