[R] Fwd: Question about paired plotting

[Luis Fernando García]

Dear John and Tim!

Thanks a lot for your replies. This is just what I needed!!

All the best for you!!

2015-05-04 13:58 GMT-03:00 John Kane <jrkrideau at inbox.com>:

> Hi Luis,
> Ah yes, that paper.  I was rather shocked at what it implied :(  People
> are still using dynamite plots, for heaven's sake! See
> http://biostat.mc.vanderbilt.edu/wiki/Main/DynamitePlots  for some
> comments.
> I see Jim has given you one way to do the plots you want. Here is another
> way using the ggplot2 package. You will probably have to install the
> package.  The code below covers the 2B:2D plots.
> ####=======Install ggplot2===================
> install.packages("ggplot2")
>
> ###======== plot desired graphs==================
> library(ggplot2)
>
> dat1  <-  data.frame(x1  = rep("A", 4) , x2  =  rep("B", 4), y1  =  5:8,
> y2  = 10:13)
>
> p  <-  ggplot()
> p1  <-   p +  geom_segment( aes(x = x1, y = y1, xend =  x2,  yend = y2)) +
>           geom_point(aes(x1, y1, colour = "blue", size = 2)) +
>           geom_point(aes(x2, y2, colour = "red", size = 2))
> p1
>
>  p2  <-     p1 +     theme (legend.position = "none") +
>                   xlab("Treatment") + ylab("Change Score")
> p2
>
> ###======== end==================
>
> We could have all the commands in one statement but it is easier to write
> the code this way to help in debugging (damn typos1) and so I left it to
> help you see what is happening.
>
> For the lower plots, in ggplot2, you should have a look at geom_dotplot()
> . Here is an interesting demo of it in use.  I like the addition of the
> median line in particular.
>
>
> http://rstudio-pubs-static.s3.amazonaws.com/1406_947a49f2d7914dad8b0fd050a9df9858.html
>
>
>
>
> John Kane
> Kingston ON Canada
>
>
> > -----Original Message-----
> > From: luysgarcia at gmail.com
> > Sent: Mon, 4 May 2015 04:52:51 -0300
> > To: r-help at r-project.org
> > Subject: [R] Fwd: Question about paired plotting
> >
> > Hello R experts,
> >
> > I just found a new paper which shows the proper way (according to the
> > authors) to show data, specially paired. I am very interested in
> > presenting
> > this kind of data, specially the scatter plott.  I have found a way to
> > present it using this link:
> >
> >
> http://journals.plos.org/plosbiology/article?id=10.1371%2Fjournal.pbio.1002128#pbio.1002128.s007
> >
> > Nevertheless, I wanted to know if you know some example which allows me
> > to
> > produce a plot similar to the plots 2B-2D. I could do it by "hand" but it
> > was quite time consuming and required editing the pictures,
> >
> > Many thanks for any help you can provide!
> >
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> >
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>
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