# Interactive Tutorials for R

## Documentation for package ‘learnr’ version 0.11.5

- DESCRIPTION file.
- Package NEWS.

## Help Pages

answer | Question answer options
answer_fn | Question answer options
available_tutorials | List available tutorials
correct | Mark submission as correct or incorrect
disable_all_tags | Disable all html tags
duplicate_env | Create a duplicate of an environment
event_register_handler | Register an event handler callback
external_evaluator | External execution evaluator
filesystem_storage | Filesystem-based storage for tutor state data
finalize_question | Finalize a question
format.tutorial_question | Formatting and printing quizzes, questions, and answers
format.tutorial_question_answer | Formatting and printing quizzes, questions, and answers
format.tutorial_quiz | Formatting and printing quizzes, questions, and answers
get_tutorial_info | Get information about the current tutorial
get_tutorial_state | Observe the user's progress in the tutorial
incorrect | Mark submission as correct or incorrect
initialize_tutorial | Initialize tutorial R Markdown extensions
knit_print.tutorial_question | Knitr quiz print methods
knit_print.tutorial_quiz | Knitr quiz print methods
mark_as | Mark submission as correct or incorrect
one_time | Wrap an expression that will be executed one time in an event handler
print.tutorial_question | Formatting and printing quizzes, questions, and answers
print.tutorial_question_answer | Formatting and printing quizzes, questions, and answers
print.tutorial_quiz | Formatting and printing quizzes, questions, and answers
question | Tutorial quiz questions
question_checkbox | Checkbox question
question_is_correct | Custom question methods
question_is_correct.default | Custom question methods
question_is_valid | Custom question methods
question_is_valid.default | Custom question methods
question_numeric | Number question
question_radio | Radio question
question_text | Text box question
question_ui_completed | Custom question methods
question_ui_completed.default | Custom question methods
question_ui_initialize | Custom question methods
question_ui_initialize.default | Custom question methods
question_ui_try_again | Custom question methods
question_ui_try_again.default | Custom question methods
quiz | Tutorial quiz questions
random_encouragement | Random praise and encouragement
random_phrases_add | Add phrases to the bank of random phrases
random_praise | Random praise and encouragement
run_tutorial | Run a tutorial
safe | Execute R code in a safe R environment
tutorial | Tutorial document format
tutorial_html_dependency | Tutorial HTML dependency
tutorial_options | Set tutorial options
tutorial_package_dependencies | List tutorial dependencies