complex grouped bar charts

[lily li]

Hi ggplot users,

I'd like to ask that how to plot grouped bar charts with error bars. For the dataframe below, A, B, C belong to group 1, A2, B2, C2 belong to group 2, etc. In each figure, there are several such groups on x-axis. In each group, there are three bars, while each bar represents the median values in A, B, C, or A2, B2, C2, etc. In each group, bar A is in the y-direction, while bars B and C are in the negative y-direction. The error bars are also shown on each bar variable to summarize all the values from row1 to row10 for example.

Also, though A, and B & C are in the two directions, they share the same x-axis, so that the two directions on y-axis still show positive values, but different variables. I don't know how to present this on the y-axis label. Could anyone give me some hints on the figure? Thanks for your help.

I also attached a figure about bar charts, but in my case the second and third bars are in the opposite direction with the first bar in each group. I don't know how to do this, though it is possible to change the values in B and C, B2 and C2, etc, but the labels on y-axis may also change. Thanks.

        A  B  C    A2  B2  C2

1     65 21 54  64  23   55

2     66 23 55  66  22   54

3     54 24 56  70  25   60

4     44 23 53  68  19   49

5     67 22 52  60  18   48

6     66 21 50  54  20   46

7     45 20 51  55  21   51

8     56 19 57  58  22   54

9     40 25 58  59  18   52

10   39 24 53  61  21   48

[Hadley Wickham]

Also posted at https://community.rstudio.com/t/complex-grouped-bar-charts/815

We generally consider it somewhat inconsiderate to post the same
question in multiple places - someone might spend their time answering
it here when it has already be answered elsewhere.

Hadley

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[lily li]

Hi Hadley,

Yes, I just posted it on the Rstudio community. I didn't hear back here, and thought people all moved to the new community website. Sorry about that, thanks.

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