[R] basic boxplot questions

[K. Elo]

ivo welch kirjoitti:
> dear R experts:
> 
> I am playing with boxplots for the first time.  most of it is
> intuitive, although there was less info on the web than I had hoped.
> 
> alas, for some odd reason, my R boxplots have some fat black dots, not
> just the hollow outlier plots.  Is there a description of when R draws
> hollow vs. fat dots somewhere?
> 
> [and what is the parameter to change just the size of these dots?]
> 
> Also, let me show my fundamental ignorance:  I am a little surprised
> that the average box boxplot would not show the mean and sdv, too, at
> least optionally.  Is there a common way to accomplish this (e.g., in
> a different color), or do I just construct it myself with standard R
> graphics line() commands?
> 
> advice appreciated.
> 
> regards,
> 
> /iaw
> 
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