I don't think there is any reason to get rid of that message unless you have a
presentation problem, that is, you are including that output in a paper.
All that is, AFAIK, is a notice that ggplot() is using the default binning
rule. You can change the number of the bins if you need more granular or more
agglomerated plots.
It can be fu/informative to change binwidth and see what is happening.
John Kane
Kingston ON Canada
> -----Original Message-----
> From: glennmschu...@me.com
> Sent: Wed, 03 Jun 2015 00:32:10 +0000 (GMT)
> To: r-help@r-project.org
> Subject: [R] ggplot stat_bin question
>
> All,
>
> I am using gglpot to produce combination density and histogram plots,
> which are actually kinda cool, everything works well and the plots look
> nice. However after each plot run I receive the following message:
>
> stat_bin: binwidth defaulted to range/30. Use 'bin width = x' to adjust
> this.
>
> Below is the code I used to create the graph. I think I am pretty much
> following the examples in Hadley's ggplot2 book and really just need to
> eliminate the message as the graphs look fine. Any suggestions are
> appreciated.
>
> Best Regards,
> Glenn
>
> Mdur.dist <- ggplot(OAS.Mdur, aes(x = value )) +
> geom_density(fill = "#56B4E9", colour = "#56B4E9", alpha = .6) +
> geom_histogram(aes(y =..density..), color = "lightgrey", fill =
> "#0072B2", bindwidth = .01) +
> theme_minimal() +
> #scale_x_continuous(breaks = seq(80,120, 5)) +
> labs(title = "Mod. Duration Distribution") +
> ylab("Density")+
> xlab("Path Mod. Duration") +
> theme(panel.grid.major = element_line(size = .25, color = "grey")) +
> theme(axis.text = element_text(size = 15)) +
> theme(axis.title = element_text(size = 20)) +
> theme(legend.position = "none")
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