// Numbas version: finer_feedback_settings
{"name": "Models", "extensions": [], "custom_part_types": [], "resources": [], "navigation": {"allowregen": true, "showfrontpage": false, "preventleave": false, "typeendtoleave": false}, "question_groups": [{"pickingStrategy": "all-ordered", "questions": [{"name": "Models", "tags": [], "metadata": {"description": "", "licence": "All rights reserved"}, "statement": "", "advice": "", "rulesets": {}, "extensions": [], "builtin_constants": {"e": true, "pi,\u03c0": true, "i": true}, "constants": [], "variables": {}, "variablesTest": {"condition": "", "maxRuns": 100}, "ungrouped_variables": [], "variable_groups": [], "functions": {}, "preamble": {"js": "", "css": ""}, "parts": [{"type": "1_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Four different linear models are tested on a hold-out set of data - the followung r-squared values are calculated:</p>\n<p>M1 - r-squared = 0.7801</p>\n<p>M2 - r-squared = 0.8821</p>\n<p>M3 - r-squared = 0.6534</p>\n<p>M4 - r-squared = 0.9030</p>\n<p>Which model is best according to this metric?</p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": true, "displayType": "radiogroup", "displayColumns": 0, "showCellAnswerState": true, "choices": ["M1", "M2", "M3", "M4"], "matrix": [0, 0, 0, "1"], "distractors": ["", "", "", ""]}, {"type": "m_n_2", "useCustomName": false, "customName": "", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Which of the folloing are terms found in Bayes theorm:</p>", "minMarks": 0, "maxMarks": 0, "shuffleChoices": true, "displayType": "checkbox", "displayColumns": 0, "minAnswers": 0, "maxAnswers": 0, "warningType": "none", "showCellAnswerState": true, "markingMethod": "sum ticked cells", "choices": ["Posterior", "Prior", "Likelihood", "Anterior", "Correlation", "Transubstantiation"], "matrix": ["1", "1", "1", "-1", "-1", "-1"], "distractors": ["", "", "", "", "", ""]}], "partsMode": "all", "maxMarks": 0, "objectives": [], "penalties": [], "objectiveVisibility": "always", "penaltyVisibility": "always", "type": "question", "contributors": [{"name": "Rehan Shah", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/19442/"}, {"name": "Keith Butler", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/19443/"}, {"name": "ziyu guo", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/19460/"}]}]}], "contributors": [{"name": "Rehan Shah", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/19442/"}, {"name": "Keith Butler", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/19443/"}, {"name": "ziyu guo", "profile_url": "https://numbas.mathcentre.ac.uk/accounts/profile/19460/"}]}