Produce a Boxplot Annotated with the Number of Observations

This funcntion uses boxplot to produce a boxplot which is then annotated with the number of observations in each group.

Keywords
hplot
Usage
boxplot2(..., top=FALSE, shrink=1, textcolor=NULL)
Arguments

parameters passed to boxplot.

top

logical indicating whether the number of observations should be added to the top or the bottom of the plotting region. Defaults to FALSE.

shrink

value to shrink character size (cex) when annotating.

textcolor

text color.

Note

This function replaces boxplot.n, which has been deprecated avoid potential problems with S3 method dispatching.

See Also

boxplot, text

Aliases
  • boxplot2
Examples
# NOT RUN {
data(state)

# n's at bottom
boxplot2( state.area ~ state.region)

# n's at top
boxplot2( state.area ~ state.region, top=TRUE)

# small red text
boxplot2( state.area ~ state.region, shrink=0.8, textcolor="red") 
# }
Documentation reproduced from package gplots, version 3.0.1.1, License: GPL-2

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