If the problem seems to be non-ASCII characters, then the first investigation step is to use the R functions
?tools::showNonASCII ?tools::showNonASCIIfile On Mon, Dec 23, 2013 at 11:37 AM, John Kane <jrkrid...@inbox.com> wrote: > Same result here with the same error message mentioned in my first post. I > tried it in Texmaker which is my usual Latex editor, not that I do much in > Latex, and then tried it in RStudio and it is still choking. > > Interestingly EMACS will process it and produce a pdf but it simply produces. > It also provides this warning: : Latex Warning; Reference > 'fig:plot-figheight' undefined on page 2 on input line 14. > > It seems to repeat the same message for each of the other figures. > > John Kane > Kingston ON Canada > > >> -----Original Message----- >> From: dulca...@bigpond.com >> Sent: Mon, 23 Dec 2013 22:28:33 +1000 >> To: daniel.haugstv...@gmail.com, r-help@r-project.org >> Subject: Re: [R] Knitr, ggplot and consistent fonts >> >> Hi Dan >> >> >> >> I think you still have problems with embedded characters or some problems >> in >> char code page conversion or the like. >> >> >> >> Not knowing knitr but Sweave I cobbled the figures manually and ran the >> sweave file to produce the latex file. >> >> Latex was consistently stopping at the \caption and \ref functions >> >> I tried to see what was happening I added hyperref & when I copied the >> text >> to hyperref latex bailed up >> >> >> >> I tried a minimal latex file without problems >> >> >> >> I put the \title etc in the preamble. Some compilers need this >> >> >> >> Duncan >> >> >> >> From: Daniel Haugstvedt [mailto:daniel.haugstv...@gmail.com] >> Sent: Monday, 23 December 2013 20:10 >> To: Duncan Mackay >> Cc: John Kane; R >> Subject: Re: [R] Knitr, ggplot and consistent fonts >> >> >> >> I am really sorry for posting a non-working example. It is running when I >> cut the code from my previous mail into a clean session in RStudio (OSX). >> However, I suspect that you are right. I did cut and paste some code from >> a >> forum yesterday which had characters that had to be replaced. I gave >> emacs a >> try, but could not find the problem there either. >> >> >> >> The code below was pasted though textEdit and converted to plain text. I >> hope this takes care of any embedded characters. >> >> >> >> \documentclass{article} >> >> \begin{document} >> >> >> >> <<setup, include=FALSE, cache=FALSE>>= >> >> library(knitr) >> >> library(ggplot2) >> >> @ >> >> >> >> \title{Knitr and ggplot2} >> >> \author{Daniel Haugstvedt} >> >> >> >> \maketitle >> >> >> >> There are four plots in this article. Figure \ref{fig:plot-figHeight} >> uses >> >> the argument fig.height=2.5 while Figures \ref{fig:plot-figWidth} >> >> used both fig.height=2.5 and fig.width=3. The later option makes the font >> >> too big. >> >> >> >> An alternative approach is used in Figures \ref{fig:plot-figOutWidthBig} >> and >> >> \ref{fig:plot-figOutWidthSmall}. There the argument out.width is set to >> >> 12 and 8 cm respectively. This stops the problem of excessively large >> fonts >> >> for figures with smaller width, but there is still no consistency >> >> across plots in terms o font size. >> >> >> >> <<plot-figHeight, echo=FALSE, fig.height=2.5, fig.cap="Density plot with >> no >> fig.width argument", results='hide', fig.pos='ht'>>= >> >> df = data.frame(x = rnorm(100), y = 1:100) >> >> ggplot(df, aes(x = x)) + >> >> geom_histogram(aes(y = ..density..), >> >> binwidth = 1, colour = "black", fill = "white") + >> >> xlab("Improvement, %") + >> >> ylab("Density") + >> >> theme_classic() >> >> @ >> >> >> >> <<plot-figWidth, echo=FALSE, fig.height=2.5, fig.width = 3, >> fig.cap="Density >> plot with fig.width=3", fig.pos='ht'>>= >> >> ggplot(df, aes(x = x)) + >> >> geom_histogram(aes(y = ..density..), >> >> binwidth = 1, colour = "black", fill = "white") + >> >> xlab("Improvement, %") + >> >> ylab("Density") + >> >> theme_classic() >> >> @ >> >> >> >> <<plot-figOutWidthBig, echo=FALSE, fig.height=2.5, out.width = "12cm", >> fig.cap="Density plot with out.width=12cm", fig.pos='ht'>>= >> >> ggplot(df, aes(x = x)) + >> >> geom_histogram(aes(y = ..density..), >> >> binwidth = 1, colour = "black", fill = "white") + >> >> xlab("Improvement, %") + >> >> ylab("Density") + >> >> theme_classic() >> >> @ >> >> >> >> <<plot-figOutWidthSmall, echo=FALSE, fig.height=2.5, out.width = "8cm", >> fig.cap="Density plot with out.width=8cm", fig.pos='ht'>>= >> >> ggplot(df, aes(x = x)) + >> >> geom_histogram(aes(y = ..density..), >> >> binwidth = 1, colour = "black", fill = "white") + >> >> xlab("Improvement, %") + >> >> ylab("Density") + >> >> theme_classic() >> >> @ >> >> >> >> \end{document} >> >> >> >> >> >> >> >> >> >> >> >> On Sun, Dec 22, 2013 at 11:59 PM, Duncan Mackay <dulca...@bigpond.com> >> wrote: >> >> Hi Daniel >> I tried it in Sweave after modifying it for Sweave and a similar thing >> for >> Latex but R crashed. >> >> I think there is an embedded character/s before the first chunk and in >> the >> first chunk. >> >> Duncan >> >> Duncan Mackay >> Department of Agronomy and Soil Science >> University of New England >> Armidale NSW 2351 >> Email: home: mac...@northnet.com.au >> >> >> -----Original Message----- >> From: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org] >> On >> Behalf Of John Kane >> Sent: Monday, 23 December 2013 04:19 >> To: Daniel Haugstvedt; r-help@r-project.org >> Subject: Re: [R] Knitr, ggplot and consistent fonts >> >> Hi Daniel, >> >> For some reason I cannot get your example to work. The problem is in the >> code chunk but I have no idea what is happening. The code is running >> perfectly in R, itself but LaTeX seems to be choking when it hits the >> first >> ggplot statement, that is the one in <<plot-figHeight>>= >> >> The message I am getting is: "Missing $ inserted <inserted text> $ >> ggplot(df, aes(x=x)) = geom_" and my knowledge of LateX is not enough to >> figure out the problem. >> >> I tried stripping out most of the LaTeX specific verbiage in the code >> chunk >> and running the code in LyX which I use rather than plain vanilla LaTeX >> and >> I still cannot get it to work. It is almost as if there is some hidden >> character in the in that piece of code since I can duplicate the code >> myself >> and I even pasted in most of the geom_histogram code into my code chunk >> and >> it runs. >> >> John Kane >> Kingston ON Canada >> >> >>> -----Original Message----- >>> From: daniel.haugstv...@gmail.com >>> Sent: Sun, 22 Dec 2013 12:42:50 +0100 >>> To: r-help@r-project.org >>> Subject: [R] Knitr, ggplot and consistent fonts >>> >>> Dear R-help >>> >>> I am using Knitr and ggplot to draft an article and have now started >>> to improve on the layout and graphics. So far I have not been able to >>> maintain the same font size for labels in all my figures. >>> >>> My goal is to be able to change the width of the figures while >>> maintaining the same font. This works for the height parameter >>> (example not included). >>> >>> In the true document I also use tikz, but the problem can be >>> reproduced without it. >>> >>> I know the question is very specific, but my understanding is that >>> this combination of packages is common. (They are really great. Keep >>> up the good work.) There has to be others facing the same problem and >>> someone must have found a nice solution. >>> >>> Additional attempts from my side which failed are not included in the >>> example. I have tested the Google results i could find without any luck. >>> >>> Cheers >>> Daniel >>> >>> PS. I know the example plots could have been smaller, but they just >>> became too ugly for me >>> >>> >>> \documentclass{article} >>> \begin{document} >>> >>> <<setup, include=FALSE, cache=FALSE>>= >>> library(knitr) >>> library(ggplot2) >>> @ >>> >>> \title{Knitr and ggplot2} >>> \author{Daniel Haugstvedt} >>> >>> \maketitle >>> >>> There are four plots in this article. Figure \ref{fig:plot-figHeight} >>> uses the argument fig.height=2.5 while Figures \ref{fig:plot-figWidth} >>> used both fig.height=2.5 and fig.width=3. The later option makes the >>> font too big. >>> >>> An alternative approach is used in Figures >>> \ref{fig:plot-figOutWidthBig} and \ref{fig:plot-figOutWidthSmall}. >>> There the argument out.width is set to >>> 12 and 8 cm respectively. This stops the problem of excessively large >>> fonts for figures with smaller width, but there is still no >>> consistency across plots in terms of font size. >>> >>> <<plot-figHeight, echo=FALSE, fig.height=2.5, fig.cap="Density plot >>> with no fig.width argument", fig.pos='ht'>>= df = data.frame(x = >>> rnorm(100), y = 1:100) ggplot(df, aes(x = x)) + >>> geom_histogram(aes(y = ..density..), >>> binwidth = 1, colour = "black", fill = "white") + >>> xlab("Improvement, %") + >>> ylab("Density") + >>> theme_classic() >>> @ >>> >>> <<plot-figWidth, echo=FALSE, fig.height=2.5, fig.width = 3, >>> fig.cap="Density plot with fig.width=3", fig.pos='ht'>>= ggplot(df, >>> aes(x = x)) + >>> geom_histogram(aes(y = ..density..), >>> binwidth = 1, colour = "black", fill = "white") + >>> xlab("Improvement, %") + >>> ylab("Density") + >>> theme_classic() >>> @ >>> >>> <<plot-figOutWidthBig, echo=FALSE, fig.height=2.5, out.width = "12cm", >>> fig.cap="Density plot with out.width=12cm", fig.pos='ht'>>= ggplot(df, >>> aes(x = x)) + >>> geom_histogram(aes(y = ..density..), >>> binwidth = 1, colour = "black", fill = "white") + >>> xlab("Improvement, %") + >>> ylab("Density") + >>> theme_classic() >>> @ >>> >>> <<plot-figOutWidthSmall, echo=FALSE, fig.height=2.5, out.width = >>> "8cm", fig.cap="Density plot with out.width=8cm", fig.pos='ht'>>= >>> ggplot(df, aes(x = x)) + >>> geom_histogram(aes(y = ..density..), >>> binwidth = 1, colour = "black", fill = "white") + >>> xlab("Improvement, %") + >>> ylab("Density") + >>> theme_classic() >>> @ >>> >>> \end{document} >>> >>> [[alternative HTML version deleted]] >>> >>> ______________________________________________ >>> 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. >> >> ____________________________________________________________ >> GET FREE SMILEYS FOR YOUR IM & EMAIL - Learn more at >> http://www.inbox.com/smileys Works with AIMR, MSNR Messenger, Yahoo!R >> Messenger, ICQR, Google TalkT and most webmails >> >> ______________________________________________ >> 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. >> >> ______________________________________________ >> 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. >> >> >> >> ______________________________________________ >> 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. > > ____________________________________________________________ > FREE 3D MARINE AQUARIUM SCREENSAVER - Watch dolphins, sharks & orcas on your > desktop! > > ______________________________________________ > 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. ______________________________________________ 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.