Geom_points not dodging when geom_errorbars are

Question

I can't figure out how to get these geom_points to properly dodge! I've searched many, MANY how-to's and questions on different stackexchange pages, but none of them fix the problem.

analyze_weighted <- data.frame(
    mus = c(clean_mu,b_mu,d_mu,g_mu,bd_mu,bg_mu,dg_mu,bdg_mu,m_mu),
    sds = c(clean_sigma,b_sigma,d_sigma,g_sigma,bd_sigma,bg_sigma,dg_sigma,bdg_sigma,m_sigma),
    SNR =c("No shifts","1 shift","1 shift","1 shift","2 shifts","2 shifts","2 shifts","3 shifts","4 shifts"),
)

And then I try to plot it:

ggplot(analyze_weighted, aes(x=SNR,y=mus,color=SNR,group=mus)) + 
  geom_point(position="dodge",na.rm=TRUE) + 
  geom_errorbar(position="dodge",aes(ymax=mus+sds/2,ymin=mus-sds/2,), width=0.25)

And it manages to dodge the error bars but not the points! I'm going crazy here, what do I do?

Here's what it looks like now--I want the points to be slightly dodged!

The points refuse to dodge, no matter what I do!

Peter O. · Accepted Answer · 2015-07-09 15:06:52Z

1

geom_point requires that you explicitly provide the width you desire the points to dodge.

This should work:

ggplot(analyze_weighted, aes(x=SNR,y=mus,color=SNR,group=mus)) + 
  geom_point(position=position_dodge(width=0.2),na.rm=TRUE) + 
  geom_errorbar(position=position_dodge(width=0.2),aes(ymax=mus+sds/2,ymin=mus-sds/2),width=0.25)

Please notice that your example wasn't a fully reproducible one, as no values of the variables used to construct mus and sds are available.

edited Jul 9, 2015 at 15:06

Peter O.

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answered Jun 25, 2015 at 8:01

PavoDive

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