Set various tutorial options that control the display and evaluation of exercises.
Usage
tutorial_options(
exercise.cap = NULL,
exercise.eval = FALSE,
exercise.timelimit = 30,
exercise.lines = NULL,
exercise.blanks = NULL,
exercise.checker = NULL,
exercise.error.check.code = NULL,
exercise.completion = TRUE,
exercise.diagnostics = TRUE,
exercise.startover = TRUE,
exercise.reveal_solution = TRUE
)
Arguments
- exercise.cap
Caption for exercise chunk (defaults to the engine's icon or the combination of the engine and
" code"
).- exercise.eval
Whether to pre-evaluate the exercise so the reader can see some default output (defaults to
FALSE
).- exercise.timelimit
Number of seconds to limit execution time to (defaults to
30
).- exercise.lines
Lines of code for exercise editor (defaults to the number of lines in the code chunk).
- exercise.blanks
A regular expression to be used to identify blanks in submitted code that the user should fill in. If
TRUE
(default), blanks are three or more underscores in a row. IfFALSE
, blank checking is not performed.- exercise.checker
Function used to check exercise answers (e.g.,
gradethis::grade_learnr()
).- exercise.error.check.code
A string containing R code to use for checking code when an exercise evaluation error occurs (e.g.,
"gradethis::grade_code()"
).- exercise.completion
Use code completion in exercise editors.
- exercise.diagnostics
Show diagnostics in exercise editors.
- exercise.startover
Show "Start Over" button on exercise.
- exercise.reveal_solution
Whether to reveal the exercise solution if a solution chunk is provided.