I want create a PDF with 5 Images from 5 folder with text. First I want to read the district name from CSV file and check the same file name in each folder. Second if the file name are matching, Make a PDF with the five images and CSV name as title for the PDF page and text which will be common for all the PDF. I want to give particular font and size, border for images, border for text also. I want to repeat for n number of districts. Is it possible with LaTeX or python?? Can anyone help me please, I am new to coding.
Thanks in advance.
In LaTeX including graphics is done with: \includegraphics and it's fairly straightforward. You can find a number of examples on the linked page above that will walk you through setting the pathname to each of your folders as necessary. There's also a good answer here about how to set multiple pathways in the declaration of your document. As a general note, LaTeX will definitely be more flexible with making pdfs than either r or LaTeX because that's what it was built for.
Related
I am new to R and Rmd and trying to generate a report using Rmd. This report has several images inserted along with the text. I am able to insert an image by hardcoding the path of the image. I have no problems with that but I need the path as a variable because it varies with the project. Can anyone help me with the syntax for calling a variable within a path to the image?
"Project123" changes based on the project. Is there a way I can declare this variable and call it to define the path?
Help please.
Images can use online R code for dynamic paths and/or alt text. (Early adopters of rmarkdown often tried this method as the default method of including R plots in the reports, using png(filepath...); plot(...); dev.off() followed by what I recommend you use.)
This will allow you to do what you need:
as raw markdown (and not inside a traditional code chunk).
If you aren't familiar with inline code blocks, then know that you can put just about anything in an inline code block. This is handy for including dynamic content in a paragraph of text, for example "the variance of the sample is \r var(sample(99))``". (Often it is just a pre-created variable, if numeric it is often rounded or formated to control the display of significant figures.)
I have a spreadsheet of exam questions that I want to use to generate quizzes and exams using R exams, and I'd like to include graphics in some of the questions.
The template here (http://www.r-exams.org/templates/fruit/) begins by defining the images as long base 64 encoded strings as generated by
base64enc::base64encode("file.png")
This seems fine, but if I have a dozen or so images of which I might only want a question to use one, two, or three images selected at random for programmatically generated exercises, how can I avoid including the encoding for all dozen images with every single exercise?
The best I can think of at the moment is to include LaTeX syntax for graphics inclusion in a spreadsheet of possible question options, and as exercises are generated, use regular expressions to find the file names inside the \includegraphics{} commands that will be included, encode those as base 64 strings, and include them in the exercise file, but I'm wondering if there's a way I can do this without writing my own code to parse LaTeX.
First a few clarifications:
The fruit exercises include the images as Base64 strings because the three icons are quite small (12K per icon) and it is convenient to have all information within the Rnw/Rmd exercise without the need to store graphics files separately. It is just one trick that can be nifty and that we wanted to demonstrate.
For more and larger images one could do the same trick but it is probably less convenient. To illustrate how static images can be included in an exercise, the following template is available: http://www.R-exams.org/templates/Rlogo/ It uses the include_supplement() function to declare a certain file as a supplement for the exercises. If this is a graphic it can then be integrated into the exercises via \includegraphics{...} in Rnw exercises and via  in Rmd exercises.
Each exercise just has to include the supplements it actually uses (and not all files from which these were sampled). And there is no need to do the Base64 encoding manually. This is done by the exams2xyz(...) functions automatically if needed.
Now for the scenario you describe. Say you have an exercise foo.Rmd in which you want to show one of three static images foo-1.png, foo-2.png, foo-3.png and ask questions about it. Then your R code might do something like:
i <- sample(1:3, 1)
img <- paste0("foo-", i, ".png")
include_supplement(img)
which randomly selects one of the three files and declares it to be an attachment. Then within the question text you would include the image via something like:
Caveats:
The code above assumes that the PNG images are located in the same directory as the Rmd exercise itself. If it is in a sub-directory bar/ say, you would need include_supplement(img, dir = "bar") etc.
If this exercise is rendered into HTML then the original file name (foo-1.png or foo-2.png or foo-3.png) would be visible in the HTML source code. This may (or may not) provide a hint for students what the correct answer is. If so, it would be better to include the file with a neutral name, e.g., include_supplement(img, target = "foo.png").
In Rnw exercises the code for including the graphic would be something like: \includegraphics{\Sexpr{img}}.
I ask my question after searching an answer on stackoverflow and on the web, without success.
I'm sorry if there is already an answer somewhere.
Global objective
I aim to create my questionnaires in libreoffice ( I need to print it, it's not for an online survey), and secondly to use it in a R shiny app I've created for register the collected answers and to export the data.
I want to create the fields in R (questions, answers...) automatically from the styles of my questionnaires in .odt, .docx or others formats.
I need to have well formatted questionnaires, nice-looking.
There is the problem:
I have written a questionnaire on a libreoffice .odt file (or if necessary in microsoft word).
I uses styles for different text blocks: one style for the "questions", one for the "answer", one for the parts of the questionnaire, one for the "instructions"...
I want to get a database ( in .csv format) with one column with the styles, and one column with the text content.
Solutions?
I try to open the xml files in the .odt or .docx archives, but the conversion to a simpler and readable format seems quite difficult.
Is it possible to export a toc from libreoffice or word to a spreadsheet format?
R can read in such files (.odt or .dox, or.xml) ?
Thank you very much for your ideas, and more generaly for your feedbacks on my project.
I'm sorry for my english
I would recommend using .Rmd (for rmarkdown) or .Rnw (for knitr) files as the source for your questionaires, rather than starting with .odt or .docx. You can produce output in various formats, including .docx, .pdf, .html (only .pdf for .Rnw) to display the questionaire to the subjects, but you can also develop functions to manage the data, or even interactive displays to collect and record the data.
I'm not familiar with R packages that do all of this for you, but I expect they already exist. Maybe someone else will give an answer with more details.
You might explore using the .fodt format in libreOffice Writer. That format is an "unzipped" version of the Writer xml format, so could be directly readable by xml utilities (and probably R, with appropriate libraries). I note that for another answer you seemed to want to avoid markdown or knitr composition, and .fodt would provide a "text" format completely compatible with LibreOffice as a front end.
(Note the other parts of LibreOffice have "flat" versions, so you could, in theory, process text versions of spreadsheets, graphics, and presentation files in your R utility.)
A few web searches indicates some relevant libraries and utilities for R exist, which may get you closer to what you need for your project.
I have around 10000 pdf files in which i have to do page and text formatting like add margins to page, convert all the text to particular font and size,etc and merge the files.
I searched a lot on google but could not find anything.
Please if someone can help with any option in R or SAS to perform this task.
Is it possible to include an image in documentation generated by roxygen? I have a number of functions that are essentially wrappers for ggplot() that I'd like to document by showing an example of the output.
As per the change list from the announcement of R 2.14:
Rd markup has a new \figure tag so that figures can be included in
help pages when converted to HTML or LaTeX. There are examples on
the help pages for par() and points().
From: http://cran.r-project.org/doc/manuals/R-exts.html#Figures
To include figures in help pages, use the \figure markup. There are three forms.
The two commonly used simple forms are \figure{filename} and \figure{filename}{alternate text}. This will include a copy of the figure in either HTML or LaTeX output. In text output, the alternate text will be displayed instead. (When the second argument is omitted, the filename will be used.) Both the filename and the alternate text will be parsed verbatim, and should not include special characters that are significant in HTML or LaTeX.
The expert form is \figure{filename}{options: string}. (The word ‘options:’ must be typed exactly as shown and followed by at least one space.) In this form, the string is copied into the HTML img tag as attributes following the src attribute, or into the second argument of the \Figure macro in LaTeX, which by default is used as options to an \includegraphics call. As it is unlikely that any single string would suffice for both display modes, the expert form would normally be wrapped in conditionals. It is up to the author to make sure that legal HTML/LaTeX is used. For example, to include a logo in both HTML (using the simple form) and LaTeX (using the expert form), the following could be used:
\if{html}{\figure{logo.jpg}{Our logo}}
\if{latex}{\figure{logo.jpg}{options: width=0.5in}}
The files containing the figures should be stored in the directory man/figures. Files with extensions .jpg, .pdf, .png and .svg from that directory will be copied to the help/figures directory at install time. (Figures in PDF format will not display in most HTML browsers, but might be the best choice in reference manuals.) Specify the filename relative to man/figures in the \figure directive.