> Is there a way to modify the choice of notch size [1] in R's boxplot
> routine from outlining a 5% significance region, to say 1% or lower?
Yes, but it's not as simple as specifying the significance level. You'll
have to update the function boxplot.stats, specifically the line
conf <- if (do.conf) stats[3] + c(-1.58, 1.58) * iqr/sqrt(n)
Then you either need to modify boxplot to find your version of
boxplot.stats, or call bxp (the low-level plotting function that boxplot
calls) directly.
Regards,
Richie.
Mathematical Sciences Unit
HSL
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