R Language boxplot Additional boxplot style parameters.
Example
Box
- boxlty - box line type
- boxlwd - box line width
- boxcol - box line color
- boxfill - box fill colors
Median
- medlty - median line type ("blank" for no line)
- medlwd - median line widht
- medcol - median line color
- medpch - median point (NA for no symbol)
- medcex - median point size
- medbg - median point background color
Whisker
- whisklty - whisker line type
- whisklwd - whisker line width
- whiskcol - whisker line color
Staple
- staplelty - staple line type
- staplelwd - staple line width
- staplecol - staple line color
Outliers
- outlty - outlier line type ("blank" for no line)
- outlwd - outlier line width
- outcol - outlier line color
- outpch - outlier point type (NA for no symbol)
- outcex - outlier point size
- outbg - outlier point background color
Example
Default and heavily modified plots side by side
par(mfrow=c(1,2))
# Default
boxplot(Sepal.Length ~ Species, data=iris)
# Modified
boxplot(Sepal.Length ~ Species, data=iris,
boxlty=2, boxlwd=3, boxfill="cornflowerblue", boxcol="darkblue",
medlty=2, medlwd=2, medcol="red", medpch=21, medcex=1, medbg="white",
whisklty=2, whisklwd=3, whiskcol="darkblue",
staplelty=2, staplelwd=2, staplecol="red",
outlty=3, outlwd=3, outcol="grey", outpch=NA
)
