### Subversion checkout URL

You can clone with HTTPS or Subversion.

Fetching contributors…

Cannot retrieve contributors at this time

file 80 lines (68 sloc) 2.5 kb
 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 \name{geom_errorbar}\alias{geom_errorbar}\title{Error bars.}\usage{  geom_errorbar(mapping = NULL, data = NULL,    stat = "identity", position = "identity", ...)}\arguments{  \item{mapping}{The aesthetic mapping, usually constructed  with \code{\link{aes}} or \code{\link{aes_string}}. Only  needs to be set at the layer level if you are overriding  the plot defaults.}  \item{data}{A layer specific dataset - only needed if you  want to override the plot defaults.}  \item{stat}{The statistical transformation to use on the  data for this layer.}  \item{position}{The position adjustment to use for  overlappling points on this layer}  \item{...}{other arguments passed on to  \code{\link{layer}}. This can include aesthetics whose  values you want to set, not map. See \code{\link{layer}}  for more details.}}\description{  Error bars.}\section{Aesthetics}{  \Sexpr[results=rd,stage=build]{ggplot2:::rd_aesthetics("geom",  "errorbar")}}\examples{# Create a simple example datasetdf <- data.frame(  trt = factor(c(1, 1, 2, 2)),  resp = c(1, 5, 3, 4),  group = factor(c(1, 2, 1, 2)),  se = c(0.1, 0.3, 0.3, 0.2))df2 <- df[c(1,3),]# Define the top and bottom of the errorbarslimits <- aes(ymax = resp + se, ymin=resp - se)p <- ggplot(df, aes(fill=group, y=resp, x=trt))p + geom_bar(position="dodge", stat="identity")# Because the bars and errorbars have different widths# we need to specify how wide the objects we are dodging aredodge <- position_dodge(width=0.9)p + geom_bar(position=dodge) + geom_errorbar(limits, position=dodge, width=0.25)p <- ggplot(df2, aes(fill=group, y=resp, x=trt))p + geom_bar(position=dodge)p + geom_bar(position=dodge) + geom_errorbar(limits, position=dodge, width=0.25)p <- ggplot(df, aes(colour=group, y=resp, x=trt))p + geom_point() + geom_errorbar(limits, width=0.2)p + geom_pointrange(limits)p + geom_crossbar(limits, width=0.2)# If we want to draw lines, we need to manually set the# groups which define the lines - here the groups in the# original dataframep + geom_line(aes(group=group)) + geom_errorbar(limits, width=0.2)}\seealso{  \code{\link{geom_pointrange}}: range indicated by  straight line, with point in the middle;  \code{\link{geom_linerange}}: range indicated by straight  line; \code{\link{geom_crossbar}}: hollow bar with middle  indicated by horizontal line; \code{\link{stat_summary}}:  examples of these guys in use, \code{\link{geom_smooth}}  for continuous analog}
Something went wrong with that request. Please try again.