| answer | Tutorial quiz questions |
| available_tutorials | Run a tutorial |
| correct | Question is correct value |
| disable_all_tags | Disable all html tags |
| duplicate_env | Create a duplicate of an environment |
| filesystem_storage | Filesystem-based storage for tutor state data |
| 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 |
| incorrect | Question is correct value |
| 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 | Question is correct value |
| 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_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_praise | Random praise and encouragement |
| run_tutorial | Run a tutorial |
| safe | Execute R code in a safe R environment |
| safe_env | Safe R CMD environment |
| tutorial | Tutorial document format |
| tutorial_html_dependency | Tutorial HTML dependency |
| tutorial_options | Set tutorial options |
| tutorial_package_dependencies | List Tutorial Dependencies |