Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of Steve Murray
> Sent: Tuesday, May 05, 2009 9:52 AM
> To: r-help at r-project.org
> Subject: [R] Plotting pairs of bars
>
>
> Dear all,
>
> I have a matrix called combine86 which looks as follows:
>
> > combine86
> Sim Mean Obs Mean Sim Sum Obs Sum
> AMAZON 1172.0424 1394.44604 553204 659573
> NILE 262.4440 164.23921 67973 41881
> CONGO 682.8007 722.63971 205523 214624
> MISSISSIPPI 363.0758 142.59883 124535 49054
> AMUR 143.5857 89.30434 36040 22594
> PARANA 702.3793 388.03030 162952 89635
> YENISEI 208.1396 174.52722 83464 70509
> OB 197.0399 162.82697 79013 63991
> LENA 118.1100 77.49638 48307 32161
> NIGER 374.8258 212.25714 66719 37145
> ZAMBEZI 500.0000 485.87610 57000 54904
> YANGTZE 358.4172 256.80246 58422 41602
>
>
> For each of the rivers (which are the row names of this matrix), I wish
> to plot a bar for Simulated Mean and another for the Observed Mean. So
> far I've only been able to get R to stack the bars (using 'barplot) on
> top of one another, which isn't really what I want! I was hoping more
> for a pairing of bars (one 'Sim' and one 'Mean') followed by a gap,
> then the next pair of bars for the next river, a gap, and so on. Is
> this possible to do in R? If so, how?!
>
> Many thanks,
>
> Steve
>
>
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