sorry, I forgot my sessionInfo: please see below.
-------- Original Message --------
Subject: puzzled with plotmath
Date: Thu, 20 Jan 2011 12:48:18 +0100
From: Claudia Beleites <cbeleites at units.it>
To: R Help <r-help at r-project.org>
Dear all,
I'm puzzled with matrix indices in plotmath.
I'm plotting matrix elements: Z [i, i], and I'd like to put that as
label. I'll
describe what I want and what I get in LaTeX-notation.
The output should look like Z_{i, i}, and my first try was
plot (1, 1, ylab = expression (Z[i, i]))
That, however, gives me Z_{i} (no comma, no second i) although the expression
looks OK to me:> a <- expression (Z[i, i])
> a [[1]]
Z[i, i]> str (as.list (a [[1]]))
List of 4
$ : symbol [
$ : symbol Z
$ : symbol i
$ : symbol i
I'm able to tweak the ouput looking as I want:
plot (1, 1, ylab = expression (Z[i][", "][i]))
which is, however, logically very far from what I want to express.
What am I missing?
I'm almost sure this has been discussed before, but I can't find it: can
anyone
point me to good search terms? Is it possible to search for the terms being
close to each other in RSiteSearch and/or RSeek? I get lots of introductory
documents as they point to plotmath and discuss matrices...
Thanks a lot for your help,
Claudia
> sessionInfo ()
R version 2.12.1 (2010-12-16)
Platform: x86_64-pc-linux-gnu (64-bit)
locale:
[1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C LC_TIME=en_US.utf8
[4] LC_COLLATE=en_US.utf8 LC_MONETARY=C LC_MESSAGES=en_US.utf8
[7] LC_PAPER=en_US.utf8 LC_NAME=C LC_ADDRESS=C
[10] LC_TELEPHONE=C LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C
attached base packages:
[1] grid stats graphics grDevices utils datasets methods base
other attached packages:
[1] ggplot2_0.8.8 proto_0.3-8 reshape_0.8.3 plyr_1.2.1
loaded via a namespace (and not attached):
[1] digest_0.4.2 tools_2.12.1
--
Claudia Beleites
Dipartimento dei Materiali e delle Risorse Naturali
Universit? degli Studi di Trieste
Via Alfonso Valerio 6/a
I-34127 Trieste
phone: +39 0 40 5 58-37 68
email: cbeleites at units.it
Try> plot (1, 1, ylab = expression (Z[list(i,i)]))Hth -- Gerrit> -------- Original Message -------- > Subject: puzzled with plotmath > Date: Thu, 20 Jan 2011 12:48:18 +0100 > From: Claudia Beleites <cbeleites at units.it> > To: R Help <r-help at r-project.org> > > Dear all, > > I'm puzzled with matrix indices in plotmath. > > I'm plotting matrix elements: Z [i, i], and I'd like to put that as label. > I'll > describe what I want and what I get in LaTeX-notation. > > The output should look like Z_{i, i}, and my first try was > plot (1, 1, ylab = expression (Z[i, i])) > > That, however, gives me Z_{i} (no comma, no second i) although the expression > looks OK to me: >> a <- expression (Z[i, i]) >> a [[1]] > Z[i, i] >> str (as.list (a [[1]])) > List of 4 > $ : symbol [ > $ : symbol Z > $ : symbol i > $ : symbol i > > I'm able to tweak the ouput looking as I want: > plot (1, 1, ylab = expression (Z[i][", "][i])) > which is, however, logically very far from what I want to express. > > What am I missing? > > I'm almost sure this has been discussed before, but I can't find it: can > anyone > point me to good search terms? Is it possible to search for the terms being > close to each other in RSiteSearch and/or RSeek? I get lots of introductory > documents as they point to plotmath and discuss matrices... > > Thanks a lot for your help, > > Claudia > >> sessionInfo () > R version 2.12.1 (2010-12-16) > Platform: x86_64-pc-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C LC_TIME=en_US.utf8 > [4] LC_COLLATE=en_US.utf8 LC_MONETARY=C > LC_MESSAGES=en_US.utf8 > [7] LC_PAPER=en_US.utf8 LC_NAME=C LC_ADDRESS=C > [10] LC_TELEPHONE=C LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C > > attached base packages: > [1] grid stats graphics grDevices utils datasets methods > base > > other attached packages: > [1] ggplot2_0.8.8 proto_0.3-8 reshape_0.8.3 plyr_1.2.1 > > loaded via a namespace (and not attached): > [1] digest_0.4.2 tools_2.12.1 > > -- > Claudia Beleites > Dipartimento dei Materiali e delle Risorse Naturali > Universit? degli Studi di Trieste > Via Alfonso Valerio 6/a > I-34127 Trieste > > phone: +39 0 40 5 58-37 68 > email: cbeleites at units.it > > ______________________________________________ > R-help at 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. >
Gerrit, thanks & viele Gr??e nach Oberhessen :-)>> plot (1, 1, ylab = expression (Z[list(i,i)]))though that cannot be evaluated, either (due to [ not knowing what to do with an index list) for future searches: probably the easiest cheat is, of course, plot (1, 1, ylab = expression (Z["i, i"])) Anyways, I put the "how to" into the R Wiki page on plotmath. And I suggest that it should be mentioned in the plotmath help => email to r-devel. Claudia -- Claudia Beleites Dipartimento dei Materiali e delle Risorse Naturali Universit? degli Studi di Trieste Via Alfonso Valerio 6/a I-34127 Trieste phone: +39 0 40 5 58-37 68 email: cbeleites at units.it
On 20.01.2011 14:08, Claudia Beleites wrote:> Gerrit, > > thanks & viele Gr??e nach Oberhessen :-) > >>> plot (1, 1, ylab = expression (Z[list(i,i)])) > though that cannot be evaluated, either (due to [ not knowing what to do > with an index list)Works for me with a recent R version.> for future searches: probably the easiest cheat is, of course, > plot (1, 1, ylab = expression (Z["i, i"]))which is less convenient since you could not replace i by a dynamically calculated number, for example. Best, Uwe Ligges> Anyways, I put the "how to" into the R Wiki page on plotmath. > > And I suggest that it should be mentioned in the plotmath help => email > to r-devel. > > Claudia >
expression(Z[i][i]) also works as expected, though without the comma. S Ellison>>> Gerrit Eichner <Gerrit.Eichner at math.uni-giessen.de> 01/20/11 12:09 PM >>>Try> plot (1, 1, ylab = expression (Z[list(i,i)]))Hth -- Gerrit> -------- Original Message -------- > Subject: puzzled with plotmath > Date: Thu, 20 Jan 2011 12:48:18 +0100 > From: Claudia Beleites <cbeleites at units.it> > To: R Help <r-help at r-project.org> > > Dear all, > > I'm puzzled with matrix indices in plotmath. > > I'm plotting matrix elements: Z [i, i], and I'd like to put that as label. > I'll > describe what I want and what I get in LaTeX-notation. > > The output should look like Z_{i, i}, and my first try was > plot (1, 1, ylab = expression (Z[i, i])) > > That, however, gives me Z_{i} (no comma, no second i) although the expression > looks OK to me: >> a <- expression (Z[i, i]) >> a [[1]] > Z[i, i] >> str (as.list (a [[1]])) > List of 4 > $ : symbol [ > $ : symbol Z > $ : symbol i > $ : symbol i > > I'm able to tweak the ouput looking as I want: > plot (1, 1, ylab = expression (Z[i][", "][i])) > which is, however, logically very far from what I want to express. > > What am I missing? > > I'm almost sure this has been discussed before, but I can't find it: can > anyone > point me to good search terms? Is it possible to search for the terms being > close to each other in RSiteSearch and/or RSeek? I get lots of introductory > documents as they point to plotmath and discuss matrices... > > Thanks a lot for your help, > > Claudia > >> sessionInfo () > R version 2.12.1 (2010-12-16) > Platform: x86_64-pc-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C LC_TIME=en_US.utf8 > [4] LC_COLLATE=en_US.utf8 LC_MONETARY=C > LC_MESSAGES=en_US.utf8 > [7] LC_PAPER=en_US.utf8 LC_NAME=C LC_ADDRESS=C > [10] LC_TELEPHONE=C LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C > > attached base packages: > [1] grid stats graphics grDevices utils datasets methods > base > > other attached packages: > [1] ggplot2_0.8.8 proto_0.3-8 reshape_0.8.3 plyr_1.2.1 > > loaded via a namespace (and not attached): > [1] digest_0.4.2 tools_2.12.1 > > -- > Claudia Beleites > Dipartimento dei Materiali e delle Risorse Naturali > Universit? degli Studi di Trieste > Via Alfonso Valerio 6/a > I-34127 Trieste > > phone: +39 0 40 5 58-37 68 > email: cbeleites at units.it > > ______________________________________________ > R-help at 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. >******************************************************************* This email and any attachments are confidential. Any use...{{dropped:8}}