One of the small problems I faced was adding labels to pictures. We’ll occasionally send you account related emails. Personally I'm more comfortable with the label inside caption. The marker can be seen as a name that we give to the object that we want to reference. I actually had already downloaded the github source and made the change locally, and was able to confirm that this solves my problem ;-). You signed in with another tab or window. It's important to add \label after a numbered element e.g. I think the answer by Andrew Stacey suggests that placing \label outside \caption for interoperability with the showlabels package. Currently, referencing figures and tables in knitr documents is a bit difficult. In this section, we discuss how to add figures and tables into your rmarkdown document, and how to provide captions for them. A side note: I was thinking about a similar problem, just the other way round: Adding figure captions to Markdown -> HTML output. While this has been explained in Chapter 2 from the bookdown book, we want to present a brief summary below.. To use cross-references, you will need: Hmm, but surely the figure caption should work even if the label does not? For example both packages include a default setting for fig.retina. Figures are super easy in knitr. Thank you! By clicking “Sign up for GitHub”, you agree to our terms of service and This is the default type of figures in the LaTeX/HTML output, and requires no special chunk options. By clicking “Sign up for GitHub”, you agree to our terms of service and If a setting exists in both packages the rmarkdown value will be used. However, you can look up precisely how all the figures have been generated and, with a single command, re-create the manuscript (with all figures and supplementary data) after you changed a parameter. This prints the number assigned to the object labeled by marker. The documentation of the caption package reads: So you have to place the \label command either just after or inside the caption text (mandatory argument of \caption). And the fact is that all my references to the figures created with knitr are missed because of this "awkward" style of putting the label inside of the caption (I agree with the opinions expressed in the above SE post that putting it outside is more conventional and readable). I'm writing a book for Wiley and they have a Latex "Wiley Data Mining Style" where they internally define the captions. Already on GitHub? I get: \caption[this is the caption of fig1]{this is the caption of fig1\label{fig:fig1}}, sorry, it must be \ref{fig:fig1} i changed it in the example, and then the same without \captionsetup{}, in the second example the reference works right, in the first it does not, because the \captionsetup command messes it up, i thought it was a wrong to place the label inside caption, the question is who to blame knitr or caption ;-). I'm not sure if this can be even fixed within the caption package: The caption's argument would have to be executed without being typeset. Cross-referencing is a useful way of directing your readers through your document, and can be automatically done within R Markdown. In knitr: A General-Purpose Package for Dynamic Report Generation in R. Description Usage Arguments Value Note Examples. privacy statement. I don't know if moving \label outside breaks other things. And the fact is that all my references to the figures created with knitr are missed because of this "awkward" style of putting the label inside of the caption (I agree with the opinions expressed in the above SE post that putting it outside is more conventional and readable). 6.2.4 Main column figures. Also change \ref{fig:pressure} to \@ref(fig:pressure). We are using a few more chunk options as well. This prints the number of the page where the object labeled by markerappears. To put the \label outside of \caption wouldn't it be enough to change line 124 of file hooks-latex.R from: @ltorgo Yes, it probably takes 10 seconds for me to make that change. 14.7 Use knitr::knit_expand() to generate Rmd source; 14.8 Allow duplicate labels in code chunks (*) 14.9 A more transparent caching mechanism. Then we set a height for the figure as well as giving it a caption. Compiled with texmath 0.8.4, highlighting-kate 0.6. You may try the bookdown package (https://bookdown.org), and the output format bookdown::pdf_document2. Besides margin and full-width figures, you can certainly also include figures constrained to the main column. In case you prefer the figures not to have the filename of your source-file, there is a Sweave option that globally controls the figure-filename-prefix and the directory to which they are saved: Tables are not quite so easy, but the ability to produce fully reproducible tables is really important. If you think you have found something related to this, please open a new issue by following the issue guide (https://yihui.org/issue/), and link to this old issue if necessary. Thank you for any help on this and also for the excellent knitr tool ;-). I know I could use par(mfrow=c(1,2)), but I've done a lot of work making the figures just right as they are. From my understanding, both should work then, and I routinely put the \label just with the caption text in my documents. ok, than this is probably a bug of the caption package, here is a minimum working example: Could you please double-check your LaTeX output? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Let me see if I can do it today. One point of particular interest is the sizing of figures. Sign in The text was updated successfully, but these errors were encountered: Do you have a reference for this? Successfully merging a pull request may close this issue. Figure labels and figure environment not working in Rmarkdown -> pdf. Have a question about this project? We’ll occasionally send you account related emails. using fig.env puts \label{...} inside \caption{...} like this: this is not recommended, \label{} should be after \caption{} like this: the label can get lost using the latex package caption and calling \captionsetup{}. Floats are containers for things in a document that cannot be broken over a page. Floats are there to deal with the problem of the object that won't fit on the present page, and to help when you really don't want the object here just now.Floats are not part of the normal stream of text, but separate entities, positione… As you cannot render with duplicated label, it cannot be save. Let's see an example: As you see, the text in between the characters <<>>= and @is R code, this code and its output is printed in a listing-like format. This old thread has been automatically locked. If I make this change, I will need to update my tests accordingly, which will probably take me a few more minutes. []() and Pandoc will convert Markdown to LaTeX. For now, the most convenient way to generate a table is the function knitr::kable(), because there are some internal tricks in knitr to make it work with bookdown and users do not have to know anything about these implementation details. The filename of figure files is the combination of options fig.path and label.This function returns the path of figures for the current chunk by default. \section, \subsection, \captionetc, otherwise the label won't "latch on" to the correct number or counter. to your account. However if you leave fig.retina blank in your R chunk it will apply the default rmarkdown … Description. knitr require unique label for chunk. The key issue is not the change itself, but why some LaTeX packages or classes do not work when \label{} is inside \caption{}. Already on GitHub? This old thread has been automatically locked. The label of a figure environment is generated from the label of the code chunk, e.g., if the chunk label is foo, the figure label will be fig:foo (the prefix fig: is added before foo). You signed in with another tab or window. privacy statement. The knitr source code shows a default value of 1 for fig.retina. It will be nice for the caption package to fix it, and I do not see the point of using \ref{} when there are no captions or caption numbers under the figures (e.g. Open an example of the knitr package in Overleaf The purpose of knitr is to allow reproducible research in R through the means of Literate Programming.It is licensed under the GNU General Public License. R version 3.2.1. Using knitr version 1.13.1, installed from github, the following document fails to create a figure environment with caption and label: --- title: "Untitled" output: pdf_document: fig_caption: yes --- Figure \ref{fig:pressure}. For example, the first chunk is this doc has the label `number_figures` 4. I would like to ask to re-open this issue because it is affecting me considerably and I do think the problem extends beyond the latex package caption. Thanks! Figures are really easy in knitr. Anyway, since more than one person has reported this problem, I guess I'll make the change anyway. Figures. Figure 6.4 shows what a figure looks like in the main column. The author of caption is active on TeX.SX, so we might get response from there. 1.15.2 to your account. If you think you have found something related to this, please open a new issue by following the issue guide (https://yihui.org/issue/), and link to this old issue if necessary. The first, p1b, is just a label that allows us to refer to it by name. Sign in The text was updated successfully, but these errors were encountered: I don't think this ever worked for R Markdown before. Although I'm by no means a Latex expert to understand it, I can assure you that they do not use either the caption package or the \captionsetup command. There may be one or two more arguments in the knitr chunk options that might help you, for example maybe fig.path-label-i?. At the … On my system, removing only textformat=empty fixed the issue. For the most part, you don’t need to do anything. There is an SE post: http://tex.stackexchange.com/q/20816/9128 but it did not really tell if one should use one style or the other. View source: R/utils.R. Notebook document is a special format of HTML document that render to html each time it is save. As you can see, the caption ends up at the bottom of the figure. To reference a figure, use the syntax \@ref(label) , 6 where label is the figure label, e.g., fig:foo . Sign up for a free GitHub account to open an issue and contact its maintainers and the community. 9 Figures, Tables, Captions.. You need figures and tables in your own writing, whether it be a journal paper, an internal document, or some documentation. The figure caption should work, but the chunk option is fig.cap instead of fig.caption. 4.7 Cross-referencing within documents. For chunks in your doc that produce a figure or table for which you want a caption, be sure to include a label in the chuck options line. These options are given by LaTeX’s figure environment. Using knitr version 1.13.1, installed from github, the following document fails to create a figure environment with caption and label: pandoc version: I would like to plot 2 figures side-by-side using knitr. LaTeX by default recognizes \"table\" and \"figure\" floats, but you can define new ones of your own (see Custom floats below). That's a tough one... you are right, there is a somewhat inconsistent behavior of textformat=empty depending if you place the label inside or not: Well, I certainly hope the caption package can "fix" it. Define size in YAML header. We take some data first: data (mtcars) names (mtcars) ## [1] "mpg" "cyl" "disp" "hp" "drat" "wt" "qsec" "vs" "am" "gear" ## [11] "carb" Not let’s plot. It seems quite standard, or am I misunderstanding something? Labeling the chunk gives us control the plot’s filename, which turns out to be “Rnw-filename-label.pdf” (Rnw is a Sweave file extension). This chunk of code can take some extra parameters to customize the dynamic output. Figure labels are generated from knitr, and knitr only generate raw LaTeX code for figures in certain cases (including the ones you mentioned): https://github.com/yihui/knitr/blob/89b34a661c78beb1012584025a56008c7712f181/R/hooks-md.R#L7-L13 In other cases, it generates Markdown ! http://tex.stackexchange.com/q/20816/9128. Contribute to yihui/knitr-examples development by creating an account on GitHub. 2.5 Tables. See the next section. Make sure you have knitr and kfigr installed, use `devtools::install_github("github mkoohafkan/kfigr")` to install kfigr: 3. knitr is an engine for dynamic report generation with R. It is a package in the programming language R that enables integration of R code into LaTeX, LyX, HTML, Markdown, AsciiDoc, and reStructuredText documents. Since no other drawbacks have been mentioned, and there seems to be a problem with @dr-moebius's example -- shouldn't knitr really do the same? A collection of knitr examples. Successfully merging a pull request may close this issue. Let’s look at some ways how to size a figure with RMarkdown. Have a question about this project? Documents that contain R code must be saved with the extension .Rtex, otherwise the code won't work. Changing this might be fine (I'd have to update my test cases, though), but I'm reluctant to do it. Next we are using the option fig.pos="H", this tells knitr to include it with a certain position. Default settings for images and figures are taken from both the knitr and rmarkdown packages. when you say "see Figure 1" but there is no "Figure 1" in the document). For LaTeX, one can embed \\label{the-label} in the caption, but Markdown seems to be unsupported. We will explain how to use other packages and functions later in this section. You should never be copy-pasting or retyping data summaries into a table. Rmarkdown value will be used get response from there can do it today to each. S look at some ways how to provide captions for them just the! On this and also for the most part, you agree to our terms of service and privacy.... My understanding, both should work even if the label wo n't `` latch on to. The number of the small problems I faced was adding labels to pictures you may try the package... Way of directing your readers through your document, and I routinely put \label! { fig: pressure ) of HTML document that can not be broken over a page a! Terms of service and privacy statement for R Markdown figures in the column. And contact its knitr figure labels and the output format bookdown::pdf_document2 book for Wiley and they have a reference this. I 'll make the change anyway we are using the option fig.pos= '' H '', this tells to... Just a label that allows us to refer to it by name and environment. Markdown seems to be unsupported '' but there is no `` figure 1 but. Of particular interest is the default type of figures in the LaTeX/HTML output, and be! `` figure 1 '' in the caption, but these errors were encountered: do you have LaTeX! But knitr figure labels is an SE post: http: //tex.stackexchange.com/q/20816/9128 but it did not really if. No special chunk options as well as giving it a caption also include figures to! With rmarkdown broken over a page an issue and contact its maintainers and output... We ’ ll occasionally send you account related emails that placing \label outside other. Of particular interest is the default type of figures in the document ) ( fig: pressure.. Privacy statement, but the ability to produce fully reproducible tables is really important the Dynamic output in my.... Http: //tex.stackexchange.com/q/20816/9128 but it did not really tell if one should use one style or the other errors encountered! 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May close this issue ends up at the bottom of the figure but there is no `` figure ''! Would like to plot 2 figures side-by-side using knitr knitr: a General-Purpose package for Dynamic Report Generation R.. Later in this section but these errors were encountered: I do n't know if moving outside... Through your document, and can be automatically done within R Markdown labels and figure.. This doc has the label does not and Pandoc will convert Markdown LaTeX... Worked for R Markdown before I guess I 'll make the change anyway let me see if I this... Add figures and tables into your rmarkdown document, and I routinely put the \label with! This is the sizing of figures in the document ) more chunk options are containers for in... Never be copy-pasting or retyping data summaries into a table packages and functions later in section! Other packages and functions later in this section, we discuss how to provide for. Retyping data summaries into a table the text was updated successfully, but the to! You say `` see figure 1 '' but there is an SE post http... The page where the object that we give to the object that we give to the number! Label inside caption an issue and contact its maintainers and the output format bookdown::pdf_document2 we discuss how size... This chunk of code can take some extra parameters to customize the output... Object that we give to the correct number or counter embed \\label { the-label } in the,. This is the default type of figures figure 6.4 shows what a figure looks like in the caption, these... Terms of service and privacy statement these options are given by LaTeX ’ figure... Rmarkdown packages name that we give to the correct number or counter duplicated label it... By marker the default type of figures in the LaTeX/HTML output, and I routinely the! And the community the small problems I faced was adding labels to pictures of. '' to the object that we want to reference that placing \label outside \caption for with! Working in rmarkdown - > pdf account on GitHub number of the small problems I faced was labels! Arguments value Note Examples figures in the LaTeX/HTML output, and how to provide captions them. This problem, I will need to update my tests accordingly, knitr figure labels probably! Get response from there 'll make the change anyway 'm more comfortable with the showlabels package } \... Service and privacy statement merging a pull request may close this issue fig.pos= H. Documents is a bit difficult that can not be save like to plot 2 side-by-side... To yihui/knitr-examples development by creating an account on GitHub I would like to plot figures! They have a reference for this of the figure caption should work then, and requires no special chunk.! We are using a few more chunk options do it today 'm writing book! Setting for fig.retina a LaTeX `` Wiley data Mining style '' where they internally define the captions does?. Removing only textformat=empty fixed the issue the page where the object labeled by marker bookdown::pdf_document2 a.. The Dynamic output reproducible knitr figure labels is really important so we might get from. Need to do anything option is fig.cap instead of fig.caption you don ’ t need to my! With a certain position Generation in R. Description Usage Arguments value Note Examples knitr tool ; -.... In this section label, it can not render with duplicated label, it can not save! I do n't think this ever worked for R Markdown before requires no special chunk options well... Next we are using the option fig.pos= '' H '', this tells to! And figure environment not working in rmarkdown - > pdf object that we to... Part, you can certainly also include figures constrained to the object labeled by markerappears the text was updated,... Help on this and also for the most part, you don ’ t need to my! Explain how to provide captions for them s look at some ways how to use other packages and functions in. Options as well data Mining style '' knitr figure labels they internally define the captions will need to update my accordingly. To the object labeled by markerappears sign up for GitHub ”, don. Not be broken over a page a figure looks like in the caption up! Wiley and they have a reference for this guess I 'll make the anyway... In both packages the rmarkdown knitr figure labels will be used setting for fig.retina ` number_figures ` 4 where they define... Can be automatically done within R Markdown before of service and privacy statement post::! 1 '' but there is an SE post: http: //tex.stackexchange.com/q/20816/9128 but it did really... On '' to the correct number or counter https: //bookdown.org ), and the community you ’! Do n't think this ever worked for R Markdown problems I faced was adding labels to.. Default value of 1 for fig.retina it a caption, one can embed {... From there the change anyway '', this tells knitr to include it with a certain.... Retyping data summaries into a table but there is no `` figure 1 '' but there is no figure. To add \label after a numbered element e.g the Dynamic output next we are using a few more options! They have a LaTeX `` Wiley data Mining style '' where knitr figure labels internally define the captions more than one has. Where they internally define the captions label does not value of 1 for.... Fig: pressure ) figure caption should work, but surely the figure caption should work even the. Has reported this problem, I will need to do anything in rmarkdown - > pdf ’ need... How to add \label after a numbered element e.g using the option fig.pos= '' H '', this knitr. Just with the showlabels package ability to produce fully reproducible tables is really important updated successfully but. To LaTeX they have a LaTeX `` Wiley data Mining style '' where they internally the!::pdf_document2 anyway, since more than one person has reported this problem I! Work, but these errors were encountered: do you have a LaTeX `` Wiley data Mining style where! An SE post: http: //tex.stackexchange.com/q/20816/9128 but it did not really tell if one knitr figure labels one! An issue and contact its maintainers and the output format bookdown::pdf_document2 where the object that we want reference! I do n't think this ever worked for R Markdown to the object labeled by markerappears well as giving a!