Questions related to the computer-based generation of exams (e.g., for classical written exams or e-learning platforms like Moodle) in particular with the R package "exams".
Questions tagged [r-exams]
256 questions
3
votes
0 answers
problems using data.table in question template R-exams
I am stuck with this question that wants to use data.table. I used dplyr successfully in other questions, so i am a bit puzzled whats going on.
```{r data generation, echo = FALSE, results = "hide",…
Florian Oswald
- 5,054
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3
votes
1 answer
exams2openolat: shufflesections and navigation do not work
I run the following command from the exams2openolat() video tutorial for summative online exams using R/exams
exams2openolat(exm, n = 50, name = "R-exams-OpenOLAT",
points = 1, maxattempts = 0, cutvalue = 2, solutionswitch = FALSE,
duration =…
MrAffway
- 33
- 3
3
votes
1 answer
Using r-exams to include circuitikz package
I want to generate electric circuit picture using circuitikz packages and r-exams in R markdown.
I already include circuitikz package in header-includes, it's successful when using knit
But when executing exams2pdf , here is the error i get,,
LaTeX…
hamkanen
- 31
- 2
3
votes
1 answer
Backslash symbol "\" in R environment within the string block
I have several string blocks in the R environment with "\" which is used to describe the latex symbols. However, when I use the expressions with a backslash "\" or double backslashes "\\" within \Sexpr{} in the question or answer parts, they do not…
Akram
- 355
- 1
- 10
3
votes
1 answer
How does "attachments" option in exextra work?
I would like to know more about the attachments option in \exextra. Does this option allow the attachment(s) from students when they are submitting their answers? I could not find any worked example on this feature in http://www.r-exams.org/ or in…
Akram
- 355
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- 10
3
votes
1 answer
Answer boxes in R-exams
Is it possible to control the lengths of answer boxes in the Moodle from R-exams? The image below shows that the boxes have different lengths which probably correspond to those of the hidden answers. My answers contain a mixture of numeric and…
Akram
- 355
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- 10
3
votes
2 answers
Using R/exams in bookdown document (especially for HTML output)
I have created a "book" using bookdown. I would love to be able to add interactive quizzes, without needing shiny etc.
Is it possible using R/exams (http://www.R-exams.org/) with bookdown? I'm mainly interested in the HTML output; PDF output a…
Pete
- 199
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3
votes
1 answer
Use R/exams exams2pdf() to produce a PDF document
I am new to the R/exams package and I try to produce a pdf document from one of the templates provided by the developers. (http://www.R-exams.org/templates/confint3/)
I am able to compile a Rnw file into a HTML document using the…
n. small
- 45
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3
votes
1 answer
How to include an external file in a Moodle question with R/exams?
In order to include statistical tables when using R-exams, I know that one can just use the option pages inside the function exams2nops(). But when using exams2moodle() how should one proceed?
In Moodle one can upload a file within a question and…
user12703198
- 423
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- 11
3
votes
1 answer
r-exams: R output formatting in cloze sub-item
In r-exams, we want to include R output within a cloze question sub-item; exported as PDF (for a printed exam). While printing of R output works fine in the regular question part, it fails within the \begin{answerlist} environment of the cloze…
Felix S
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- 17
3
votes
2 answers
Add whitespace below questions for written answers in PDFs
We only have written (paper-pencil) exams, and we only have short/medium-sized string answers. In our current exams, we present the question, and leave some whitespace below (which varies depending on the expected length of the answer).
How can I…
Felix S
- 1,769
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3
votes
1 answer
R/exams NOPS generates documents in Times New Roman, which then fail during scanning
I have been using r/exams in some of my last exams and everything has worked fine. This semester, however, r/exams seems to generate the exams in Times New Roman instead of Helvetica, which messes with the character recognition in the scanning…
André Calero Valdez
- 53
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3
votes
1 answer
LaTeX symbols are not been converted correctly to Moodle
When I use exams2moodle() to generate a cloze quiz, LaTeX symbols are not generated correctly.
Example: (in .Rmd file): ... $\hat{p}$
In Moodle it is presented as: \hat{p}
(Observation: It works in exams2html().)
It is converted as:
Eduardo Silva
- 55
- 6
3
votes
1 answer
Moodle exam with minimum zero points for multiple choice task
How can I create a moodle question via the {exams} package that scores multiple choice questions with at least zero points?
I already tried:
exams2moodle(..., mchoice = list(eval = list(negative = FALSE)))
sammerk
- 1,143
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2
votes
1 answer
Numeric exercises with large solution lead to error
Background
R/exams is a great tool for generating exams for students.
Problem
When a numeric exercise has a large solution, an error is thrown:
Error in string2num(exsolution) :
all numeric items must be finite and non-missing
Is this a bug or…
Sebastian Sauer
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