[R] [FORGED] About error bars on barplots
chocold12 at gmail.com
Sun Jun 18 02:35:58 CEST 2017
Okay, thanks for letting me know. I found the plot from website so thought
there may be a way. I just converted the format of the figure, and
attached. But I don't mean to use it as you suggested. Thanks.
On Sat, Jun 17, 2017 at 6:30 PM, Rolf Turner <r.turner at auckland.ac.nz>
> On 18/06/17 12:10, lily li wrote:
>> Hi R users,
>> I have a question about adding uncertainty bars to stacked bar plots.
>> year A B C Amin Amax Bmin Bmax Cmin Cmax
>> 2009 40 45 15 30 61 23 56 14 17
>> 2010 36 41 23 26 54 22 51 22 24
>> I use the code below:
>> DF.refm = melt(subset(DF[,c(1:4)]),id.vars='year',variable_name='Legend')
>> fig1 = ggplot(data=DF.refm, aes(x=year,y=value,fill=Legend))+
>> geom_bar(stat='identity',size=.5)+ theme_bw()+ xlab('Year')+
>> ylab('Percent (%)')
>> But I don't know how to change it a little bit. For example, how to add
>> error bars on the plot, as is shown in the figure below? The error bar for
>> variable A ranges from Amin to Amax, the same applies to variables B and
>> Thanks for your help.
> Your figure did not come through, at least not to me. You are probably
> doing something fancy, and the mailing list software stripped out the
> figure. *Do* learn to keep things simple. _Attach_ figures as *.pdf
> files, for instance.
> That being said, to answer your question, my advice (and that of many
> others) is: DON'T. Error bars on boxplots (such plots are sometimes known
> as "dynamite plots" or "detonator plots") are considered by the cognoscenti
> to be abominations.
> Technical Editor ANZJS
> Department of Statistics
> University of Auckland
> Phone: +64-9-373-7599 ext. 88276
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