gplots (version 3.0.1.1)

boxplot2: Produce a Boxplot Annotated with the Number of Observations

Description

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

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.

See Also

boxplot, text

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") 
# }

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