geom_qlinerange uses multiple line segments and points to plot
quality ranges. By default the 10% and 90% range in plotted in grey,
the quartile range in orange, and the mean as a point in blue. It is
used in qualPlot.
geom_qlinerange(extreme.color="grey", quartile.color="orange", mean.color="blue", median.color=NULL)NULL,
these line seqments will not be added.NULL, these line seqments will not be
added.NULL, these line seqments will not be added.NULL, these line seqments will not be added.ggplot2 that this function put together,
to be added to a call to ggplot which contains a data frame of
quality data, i.e. from getQual.
getQual, qualPlot