Martin Kies

Question regarding mark_utf8

1

In `write.output.solution` (create_ps.r) you have out.txt = mark_utf8(out.txt) I am unsure about its purpose. This line sometimes leads to errors when used before my function "fix.parser.inconsistencies" due to incompatibilities with...

highlight boxes

5

I just changed a few things in the LeverageData Fork The most important ones are: - Highlight Boxes (see https://leveragedata.shinyapps.io/HighlightExample/) - Various changes regarding output_solution to fix inconsistencies between knitr...

Major update Branch LeverageData (mostly regarding quizzes)

4

I just uploaded a major update to the LeverageData Fork. The direct effects of the changes can be seen here: https://leveragedata.shinyapps.io/QuizExamples/ In particular I made the following improvements: - It...

hints based on check.call

9

Could you give me a pointer regarding the usage of hints when working with check.call instead of check.assign and check.function? Say I want the student to use a two-sample t-test...

Cutoff for Exercisename

3

I ran into to the warning that my exercise names are identical. The reason for this was that only the first 20 characters are used for the comparison. Something like...

Executing invisible code

4

I am working on a multi-day course where the data set is iteratively cleaned and transformed with an online RTutor Shinyapp. I would like the participants to pause and continue...