Re: [R] square brackets in expression in plots
Dear Duncan, dear David,
thanks for the reply! I knew about Duncans solution, but could not figure out
how to combine it that the 'm*s^-1' can be read from a string. Is there a way
to tweak Davids suggestion in a way that this is possible?
E.g.:
a='m*s^-1'
b='speed~bgroup([,a, ])'
plot(1:10,main=parse(text=b))
Cheers
Jannis
--- David Winsemius dwinsem...@comcast.net schrieb am Di, 20.7.2010:
Von: David Winsemius dwinsem...@comcast.net
Betreff: Re: [R] square brackets in expression in plots
An: Jannis bt_jan...@yahoo.de
CC: r-h...@stat.math.ethz.ch
Datum: Dienstag, 20. Juli, 2010 18:06 Uhr
On Jul 20, 2010, at 12:42 PM, Jannis wrote:
Dears,
do you know whether it is possible to include any
square parantheses (brackets) in an expression to use it as
an axis label?
e.g. I would like to have a label like (with the sub
and superscripts correct):
speed [m s^-1]
Not exactly clear what you mean by correct.
I know how to combine an expression with text via
paste, but as I run soimething like:
a='m*s^{-1}'
plot(1:10,main=parse(text=a))
?plotmath
This seemed to work fine with main, sub and xlab:
a='speed [m*s^-1]'
plot(1:10,main=parse(text=a))
But maybe you wanted the square-brackets?
a='speed~bgroup([, m*s^-1, ])'
plot(1:10,main=parse(text=a))
I found now way of doing this. I use the parse thing
as I have all these units stored as strings that represent
expressions.
Cheers for any help!
Jannis
__
R-help@r-project.org
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David Winsemius, MD
West Hartford, CT
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
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[R] square brackets in expression in plots
Dears,
do you know whether it is possible to include any square parantheses (brackets)
in an expression to use it as an axis label?
e.g. I would like to have a label like (with the sub and superscripts correct):
speed [m s^-1]
I know how to combine an expression with text via paste, but as I run
soimething like:
a='m*s^{-1}'
plot(1:10,main=parse(text=a))
I found now way of doing this. I use the parse thing as I have all these units
stored as strings that represent expressions.
Cheers for any help!
Jannis
__
R-help@r-project.org mailing list
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.
Re: [R] square brackets in expression in plots
On Jul 20, 2010, at 12:42 PM, Jannis wrote:
Dears,
do you know whether it is possible to include any square parantheses
(brackets) in an expression to use it as an axis label?
e.g. I would like to have a label like (with the sub and
superscripts correct):
speed [m s^-1]
Not exactly clear what you mean by correct.
I know how to combine an expression with text via paste, but as I
run soimething like:
a='m*s^{-1}'
plot(1:10,main=parse(text=a))
?plotmath
This seemed to work fine with main, sub and xlab:
a='speed [m*s^-1]'
plot(1:10,main=parse(text=a))
But maybe you wanted the square-brackets?
a='speed~bgroup([, m*s^-1, ])'
plot(1:10,main=parse(text=a))
I found now way of doing this. I use the parse thing as I have all
these units stored as strings that represent expressions.
Cheers for any help!
Jannis
__
R-help@r-project.org mailing list
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.
David Winsemius, MD
West Hartford, CT
__
R-help@r-project.org mailing list
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.
Re: [R] square brackets in expression in plots
On 20/07/2010 12:42 PM, Jannis wrote:
Dears,
do you know whether it is possible to include any square parantheses (brackets)
in an expression to use it as an axis label?
e.g. I would like to have a label like (with the sub and superscripts correct):
speed [m s^-1]
I know how to combine an expression with text via paste, but as I run
soimething like:
a='m*s^{-1}'
plot(1:10,main=parse(text=a))
I found now way of doing this. I use the parse thing as I have all these units
stored as strings that represent expressions.
plot(1,1, main=expression(paste(speed [, m * s^{-1}, ])))
Duncan Murdoch
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
