R help - Jul 2015 - Daily Category Revenue-Stacked Bar Chart in ggplot2

I am trying to use the ggplot2 to build a stacked bar chart for daily Revenue
by category. The chart would look have date on the x-axis, and revenue on
the y axis. The fill would be the categories themselves. I have searched a
great deal and have been unable to find exactly how to do this.



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First
http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example
and http://adv-r.had.co.nz/Reproducibility.html

Second. It is very annoying to have posts come in from Nabble. Very few R-help
readers use it and the total context of some post to R-help is usually lost. If
possible could you post directly to R-help.

We have no idea of what your problem is (see above) but here is a very simple
example of a stacked barchart using ggplot2. And since I am already complaining
I have included a side-by-side version of the barchart as well. I think that
stacked barcharts are not a good idea unless obfuscation is the desired outcome.
It is too hard to compare quantities with no common baseline.

Good luck.

dat1  <-  structure(list(dates = structure(c(1L, 2L, 3L, 4L, 5L, 1L, 2L, 
3L, 4L, 5L, 1L, 2L, 3L, 4L, 5L, 1L, 2L, 3L, 4L, 5L), .Label = c("1", 
"2", "3", "4", "5"), class =
"factor"), revs = c(40, 7, 40, 20,
35, 20, 15, 20, 15, 20, 15, 15, 35, 20, 20, 7, 7, 20, 7, 35), 
    typ....rep.LETTERS.1.2...10. = structure(c(1L, 2L, 1L, 2L, 
    1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 2L, 1L, 
    2L), .Label = c("A", "B"), class = "factor")),
.Names = c("dates",
"revs", "typ....rep.LETTERS.1.2...10."), row.names = c(NA,
-20L
), class = "data.frame")

#Stacked barchart
ggplot(dat1, aes(dates, revs, fill = typ)) + geom_bar(stat =
"identity")


#Grouped or dodged barchart (I don't think these are the real names)
ggplot(dat1, aes(dates, revs, fill = typ)) + geom_bar(stat =
"identity", position="dodge")


John Kane
Kingston ON Canada

> -----Original Message-----
> From: hussain at touchofmodern.com
> Sent: Mon, 27 Jul 2015 13:53:30 -0700 (PDT)
> To: r-help at r-project.org
> Subject: [R] Daily Category Revenue-Stacked Bar Chart in ggplot2
> 
> I am trying to use the ggplot2 to build a stacked bar chart for daily
> Revenue
> by category. The chart would look have date on the x-axis, and revenue on
> the y axis. The fill would be the categories themselves. I have searched
> a
> great deal and have been unable to find exactly how to do this.
> 
> 
> 
> --
> View this message in context:
>
http://r.789695.n4.nabble.com/Daily-Category-Revenue-Stacked-Bar-Chart-in-ggplot2-tp4710431.html
> Sent from the R help mailing list archive at Nabble.com.
> 
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
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Hi John, 

Great thanks for the examples! I am not sure what you are referring to when
you say a post from Nabble - I posted this directly on R-help. I actually
never heard of Nabble.

Stacked Bar charts are great for when you have a lot of moving parts and
need to be able to zero in on one of them (e.g. Advertising Placements).
Unfortunately, I can't post the data since it is confidential. 



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