Adjust legend
thomas
in the screenshot you can see the output of my code. All I want is a
legend with only 2 entries and a different title. Name of the two
entries should be different as well. and i have absolutely no idea how
to do it.
screenshot: http://bit.ly/aWP5Aa
r-code: http://pastebin.com/eRSvcfrj
Thanks in advance.
Thomas
thomas
right side it creates a massive whitespace.
Brandon Hurr
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thomas
thanks for the reply. breaks set to the colors... no wonder I never
figured that one out ;)
As to the "All I want is a legend with only 2 entries", that I wrote
before I was able to get the number of entries down to two. Please
disregard that.
Is there actually a way to have the minimum of y set to 50, so the
bars start at 50 rather than 0?
Thomas
> > More options:http://groups.google.com/group/ggplot2
ONKELINX, Thierry
Learn to use factors. That will make things much easier
library(ggplot2)
data <-
data.frame(Corpus=factor(c(1,2,1,2,1,2)),f1=c(70,75,80,84,90,95),x=facto
r(c(1,1,2,2,3,3), labels = c("100k", "200k", "b100k")))
ggplot(data,aes(fill=Corpus,y=f1,x=x)) +
geom_bar(position="dodge", stat="identity")
Use scale to tweak the content of the legend
ggplot(data,aes(fill=Corpus,y=f1,x=x)) +
geom_bar(position="dodge", stat="identity") +
scale_fill_manual("Other title", value = c("purple",
"white"), labels = c("A", "B"), breaks = 1:2)
More examples at the ggplot2 website
Thierry
------------------------------------------------------------------------
----
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek
team Biometrie & Kwaliteitszorg
Gaverstraat 4
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Belgium
Research Institute for Nature and Forest
team Biometrics & Quality Assurance
Gaverstraat 4
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tel. + 32 54/436 185
Thierry....@inbo.be
www.inbo.be
To call in the statistician after the experiment is done may be no more
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say what the experiment died of.
~ Sir Ronald Aylmer Fisher
The plural of anecdote is not data.
~ Roger Brinner
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data.
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> -----Oorspronkelijk bericht-----
> Van: ggp...@googlegroups.com
> [mailto:ggp...@googlegroups.com] Namens thomas
> Verzonden: dinsdag 21 september 2010 16:07
> Aan: ggplot2
> Onderwerp: Adjust legend
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Druk dit bericht a.u.b. niet onnodig af.
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Brandon Hurr
More options: http://groups.google.com/group/ggplot2
ONKELINX, Thierry
----------------------------------------------------------------------------
ir. Thierry Onkelinx
Instituut voor natuur- en bosonderzoek
team Biometrie & Kwaliteitszorg
Gaverstraat 4
9500 Geraardsbergen
Belgium
Research Institute for Nature and Forest
team Biometrics & Quality Assurance
Gaverstraat 4
9500 Geraardsbergen
Belgium
tel. + 32 54/436 185
Thierry....@inbo.be
www.inbo.be
To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of.
~ Sir Ronald Aylmer Fisher
The plural of anecdote is not data.
~ Roger Brinner
The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data.
~ John Tukey
> -----Oorspronkelijk bericht-----
> Van: ggp...@googlegroups.com
> [mailto:ggp...@googlegroups.com] Namens thomas
> Verzonden: dinsdag 21 september 2010 16:26
> Aan: ggplot2
> Onderwerp: Re: Adjust legend
> ggplot2+u...@googlegroups.com<ggplot2%2Bunsubscribe@googlegro
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thomas
well, since i only have two legend entries, i would like to position
them horizontally instead of vertically. If i put it on top and
position it vertically it does look ugly.
do you know where i can find a list of all the options in opts() ?
Thomas
Brandon Hurr
Thomas
thomas
I will have a look at factors, don't know about them yet.
About the chart starting at 50 instead of 0: true but the relative
height between the three x points doesn't matter, only the one between
the two groups of each x-point. But the more I experiment with
ggplot2, the more I am looking into just publishing a table instead to
be honest.
Brandon,
bummer, would be mighty useful ;) I will try inkscape then, input/
output will be eps anyway.
Thomas
thomas
Thomas
Dennis Murphy
Is this what you were after? Note: I modified the data to make Corpus and x factors, which has an impact on the choice of scale function in the plot.
data2 <- data.frame(Corpus = factor(rep(1:2, 3)),
x = factor(rep(1:3, each = 2)),
f1 = c(70,75,80,84,90,95))
q <- ggplot(data2, aes(x = x, y = f1, fill = Corpus))
q + geom_bar(position = 'dodge', stat = 'identity') +
scale_fill_manual('Corpus', value = c('1' = '#00a37c', '2' = '#2dab00')) +
coord_flip() + opts(legend.position = c(0.9, 0.15))
legend.position() uses coordinates relative to [0, 1] x [0, 1] rather than the native coordinates.
HTH,
Dennis
thomas
yes, that's it, thank you.
interesting option you are using. Is there a way to get all possible
options as a list?
Best,
Thomas
Brandon Hurr
a complete list of +opts(). You could start one on the wiki and
everyone could contribute to it.
Brandon
> More options: http://groups.google.com/group/ggplot2
>
Brandon Hurr
Dennis Murphy
A list of opts() along with numerous examples of their use is in Chapter 8 of the ggplot2 book; in particular, Table 8.1 contains the most common ones. I know that legend.position and legend.justification are missing from that list in the book, but discussion about them has taken place in this forum in the past. Between the 19 in the book and the two mentioned above, that makes 21 known opts() of which I'm aware. I'm happy to hear about others...
Cheers,
Dennis
Brandon Hurr
Luciano Selzer
Brian Diggs
and it seems that theme_gray() is the canonical reference (theme_set
in theme.r gets its list of valid names from theme_gray()).
names(theme_gray()) gives the list of possible options. However, I
took it a step further to pull out what types of things they can
take. The following code summarizes them:
tg <- theme_gray()
op <- data.frame(opt = names(tg), class = laply(tg, class))
op[op$class=="theme","type"] <- laply(tg[op$class=="theme"], attr,
"type")
op
# opt class type
# 1 axis.line theme any
# 2 axis.text.x theme text
# 3 axis.text.y theme text
# 4 axis.ticks theme segment
# 5 axis.title.x theme text
# 6 axis.title.y theme text
# 7 axis.ticks.length unit <NA>
# 8 axis.ticks.margin unit <NA>
# 9 legend.background theme box
# 10 legend.key theme box
# 11 legend.key.size unit <NA>
# 12 legend.text theme text
# 13 legend.title theme text
# 14 legend.position character <NA>
# 15 panel.background theme box
# 16 panel.border theme any
# 17 panel.grid.major theme line
# 18 panel.grid.minor theme line
# 19 panel.margin unit <NA>
# 20 strip.background theme box
# 21 strip.text.x theme text
# 22 strip.text.y theme text
# 23 plot.background theme box
# 24 plot.title theme text
# 25 plot.margin unit <NA>
For the type (which is only defined for the themes), "box" is set with
theme_rect; "any" is a theme_blank() in theme_gray(), so you can fall
back to the printed documentation for what theme type it should be.
In particular, the additional ones not already listed on the wiki are:
axis.ticks.length (unit)
axis.ticks.margin (unit)
legend.key.size (unit)
panel.margin (unit)
plot.margin (unit)
As to further description of some of the options:
legend.position is either a numeric vector of length two or a
character value in "top", "bottom", "left", "right", or "none". If it
is a numeric vector of length 2, they are the x and y coordinates of
the legend (not sure in what units/scale) and and additional option,
legend.justification, is used as the justification of the viewport
(just arugment of viewport()). [Derived from reading plot-render.r]
On Sep 22, 9:43 am, Luciano Selzer <luciano.sel...@gmail.com> wrote:
> Very useful, I just added a couple of things.
> Luciano
>
> > Well, I started one... apologies to Hadley for plagiarizing page 143 of the
> > ggplot2 book. Not sure how else to present them to be honest.
>
> >http://github.com/hadley/ggplot2/wiki/+opts()-List
>
>
> >> Hi:
>
> >> A list of opts() along with numerous examples of their use is in Chapter 8
> >> of the ggplot2 book; in particular, Table 8.1 contains the most common ones.
> >> I know that legend.position and legend.justification are missing from that
> >> list in the book, but discussion about them has taken place in this forum in
> >> the past. Between the 19 in the book and the two mentioned above, that makes
> >> 21 known opts() of which I'm aware. I'm happy to hear about others...
>
> >> Cheers,
> >> Dennis
>
>
> >>>http://www.slideshare.net/hadley/20-polishing
>
> >>> Slide 34 has a pretty good list of opts() that we could start with.
>
>
> >>>> I'm sure one exists in Hadley or Baptiste's brains, but I've not seen
> >>>> a complete list of +opts(). You could start one on the wiki and
> >>>> everyone could contribute to it.
>
> >>>> Brandon
>