Dear R community,
     I have two questions concerning barplots that I struggle to resolve:

1) How can I break (interrupt) the x-axis (e.g.: have it display values from
-100 to -90 and 90 to 100 only)?

2) I overlay two horizontal barplots: one with negative values only and one
with positive values only: I would wish to mark the two datasets separately
on the x-axis (or some other way). If I use the legend I get a superposed
result... is there another way?

Thank you,
Georg.
************************
Georg Ehret
Johns Hopkins
Baltimore

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