[R] horizontal bar plots for CI visualization

[Ben Bolker]

 <michael.eisenring <at> agroscope.admin.ch> writes:

> 
> 	2.50%	97.50%
> intercept	2978	7966
> glands	1314	3611
> damage	169	6144
> treatment L1	778	6703
> treatment L4	-3899	5125
> Length	-1817	1828
> 

  plotrix::plotCI(..., err="x") 

??