{ "cells": [ { "cell_type": "markdown", "id": "88220d72", "metadata": {}, "source": [ "# AssistMent2012 数据集分析\n", "\n", "# 数据集简介\n", "该数据集来自 2012-2013 学年的 ASSISTments 系统,包含了学生在完成数学问题时的交互数据。与2009数据集类似,该数据集记录了学生的答题情况、提示请求、时间信息等,并额外包含了**学生情绪状态的置信度预测**(如挫败、困惑、专注和无聊)。\n", "\n", "> 该数据集中每个问题只与一个技能相对应,但每个技能可以与多个问题关联。\n", "\n", "# 数据集列含义\n", "- problem_log_id:问题日志ID\n", " - 学生的每一次交互都会被记录为一条日志\n", " - 问题日志ID是唯一的\n", "- skill:技能名称\n", "- problem_id:问题ID\n", "- user_id:学生ID\n", "- assignment_id:作业ID\n", "- assistment_id:辅助问题ID\n", " - 与问题 ID 类似。这是构建器中用户将看到的问题的 ID。如果一个问题包含多个主问题和/或支架问题,则与单个问题相关的一切内容均称为一个辅助任务,并具有相同的辅助任务 ID\n", "- start_time:问题开始时间\n", "- end_time:问题结束时间\n", "- problem_type:问题答案的类型\n", "- original(0/1):区分主问题和支撑问题\n", " - 1表示主问题,0代表支撑问题\n", "- correct(0/1):问题的回复是否正确\n", " - 1表示第一尝试即正确,0表示第一次尝试错误或者请求了帮助\n", "- bottom_hint(0/1):是否请求了最底层提示\n", " - 1表示请求了最底层提示,0表示没有请求\n", "- hint_count:学生期间请求提示的次数\n", "- actions:学生的操作序列\n", "- attempt_count:尝试次数(学生输入答案的次数)\n", "- ms_first_response:开始时间与学生首次操作之间的时间间隔(单位:毫秒)\n", "- tutor_mode:导师模式或测试模式\n", " - 导师模式:tutor\n", " - 测试模式:test\n", "- sequence_id:习题集的ID\n", "- student_class_id:学生的班级ID\n", "- position:问题在作业页面上的位置\n", "- type:问题集的类型\n", " - LinearSection\n", " - MasterySection\n", " - RandomChildOrderSection\n", " - RandomIterateSection\n", " - PlacementsSection\n", " - ChooseConditionSection\n", " - NumericLimitSection\n", "- base_sequence_id:用于标记习题集被复制的情况\n", "- skill_id:技能ID(多个技能用逗号分隔)\n", "- teacher_id:教师ID\n", "- school_id:学校ID\n", "- overlap_time:学生完成该问题所用的时间(单位:秒)\n", "- template_id:ASSISTments的模板ID\n", "- answer_id:多选题答案的ID\n", "- answer_text:填空题的答案文本\n", "- first_action:学生首次操作的类型\n", "- problemlogid:与problem_log_id相同(冗余列)\n", "- Average_confidence(FRUSTRATED):预测的挫败情绪置信度\n", "- Average_confidence(CONFUSED):预测的困惑情绪置信度\n", "- Average_confidence(CONCENTRATING):预测的专注情绪置信度\n", "- Average_confidence(BORED):预测的无聊情绪置信度\n", "\n", "# 补充说明\n", "\n", "## 主问题和支撑式问题\n", "当学生在解决一个**主问题**时回答错误或者主动要求将问题分解成小步骤时,ASSISTment系统会提供**一个或多个支撑式问题**。\n", "- 支撑式问题在数据集中使用*original*字段进行标记\n", "- 学生通常不能在回答支撑式问题时获取提示\n", "\n", "## 导师模式\n", "在数据集中*tutor_mode*列用于区分学生做题时系统处于导师(tutor)还是测试(test)模式。\n", "在导师模式中,学生做题时可以获得即时反馈、提示或逐步辅导;在测试模式中,学生做题时系统不会给出任何反馈和指导信息。\n", "\n", "## 情绪状态预测\n", "该数据集包含了四种情绪状态的置信度预测:挫败(FRUSTRATED)、困惑(CONFUSED)、专注(CONCENTRATING)和无聊(BORED)。这些预测值是由机器学习模型根据学生的交互行为生成的。" ] }, { "cell_type": "code", "execution_count": 1, "id": "f9a110e4", "metadata": {}, "outputs": [], "source": [ "import pandas as pd\n", "import matplotlib.pyplot as plt\n", "\n", "# Load the ASSISTments 2012 dataset\n", "data = pd.read_csv(\n", " \"data/assistment12/2012-2013-data-with-predictions-4-final.csv\",\n", " low_memory=False,\n", " encoding=\"latin1\",\n", " )" ] }, { "cell_type": "code", "execution_count": 32, "id": "29bef8f4", "metadata": {}, "outputs": [ { "name": "stdout", "output_type": "stream", "text": [ "['LinearSection' 'MasterySection' 'RandomChildOrderSection'\n", " 'RandomIterateSection' 'PlacementsSection' 'ChooseConditionSection'\n", " 'NumericLimitSection']\n" ] } ], "source": [ "print(data[\"type\"].unique())" ] }, { "cell_type": "code", "execution_count": 2, "id": "4bb29090", "metadata": {}, "outputs": [ { "data": { "application/vnd.microsoft.datawrangler.viewer.v0+json": { "columns": [ { "name": "index", "rawType": "int64", "type": "integer" }, { "name": "problem_log_id", "rawType": "int64", "type": "integer" }, { "name": "skill", "rawType": "object", "type": "unknown" }, { "name": "problem_id", "rawType": "int64", "type": "integer" }, { "name": "user_id", "rawType": "int64", "type": "integer" }, { "name": "assignment_id", "rawType": "int64", "type": "integer" }, { "name": "assistment_id", "rawType": "int64", "type": "integer" }, { "name": "start_time", "rawType": "object", "type": "string" }, { "name": "end_time", "rawType": "object", "type": "string" }, { "name": "problem_type", "rawType": "object", "type": "string" }, { "name": "original", "rawType": "int64", "type": "integer" }, { "name": "correct", "rawType": "float64", "type": "float" }, { "name": "bottom_hint", "rawType": "float64", "type": "float" }, { "name": "hint_count", "rawType": "int64", "type": "integer" }, { "name": "actions", "rawType": "object", "type": "string" }, { "name": "attempt_count", "rawType": "int64", "type": "integer" }, { "name": "ms_first_response", "rawType": "int64", "type": "integer" }, { "name": "tutor_mode", "rawType": "object", "type": "string" }, { "name": "sequence_id", "rawType": "int64", "type": "integer" }, { "name": "student_class_id", "rawType": "int64", "type": "integer" }, { "name": "position", "rawType": "int64", "type": "integer" }, { "name": "type", "rawType": "object", "type": "string" }, { "name": "base_sequence_id", "rawType": "int64", "type": "integer" }, { "name": "skill_id", "rawType": "float64", "type": "float" }, { "name": "teacher_id", "rawType": "int64", "type": "integer" }, { "name": "school_id", "rawType": "float64", "type": "float" }, { "name": "overlap_time", "rawType": "int64", "type": "integer" }, { "name": "template_id", "rawType": "int64", "type": "integer" }, { "name": "answer_id", "rawType": "float64", "type": "float" }, { "name": "answer_text", "rawType": "object", "type": "string" }, { "name": "first_action", "rawType": "int64", "type": "integer" }, { "name": "problemlogid", "rawType": "int64", "type": "integer" }, { "name": "Average_confidence(FRUSTRATED)", "rawType": "float64", "type": "float" }, { "name": "Average_confidence(CONFUSED)", "rawType": "float64", "type": "float" }, { "name": "Average_confidence(CONCENTRATING)", "rawType": "float64", "type": "float" }, { "name": "Average_confidence(BORED)", "rawType": "float64", "type": "float" } ], "ref": "8910e23b-7d64-4def-a048-8424b2593d4c", "rows": [ [ "0", "137792159", null, "557460", "61394", "565736", "341511", "2012-09-28 15:11:27", "2012-09-28 15:11:36.856", "choose_1", "1", "1.0", "0.0", "0", "--- \n- - 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| count | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.062922e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "... | \n", "6.123113e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "8.275000e+03 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "6.123270e+06 | \n", "
| mean | \n", "1.414932e+08 | \n", "3.685675e+05 | \n", "1.770492e+05 | \n", "6.773074e+05 | \n", "2.202825e+05 | \n", "9.504296e-01 | \n", "6.768206e-01 | \n", "1.200497e-01 | \n", "3.373479e-01 | \n", "1.339212e+00 | \n", "... | \n", "6.925225e+03 | \n", "4.907237e+04 | \n", "2.088952e+05 | \n", "4.324879e+05 | \n", "6.151860e-02 | \n", "1.414932e+08 | \n", "3.894586e-01 | \n", "4.479487e-02 | \n", "6.823843e-01 | \n", "2.567723e-01 | \n", "
| std | \n", "2.693733e+06 | \n", "2.195421e+05 | \n", "3.172431e+04 | \n", "9.425983e+04 | \n", "1.393519e+05 | \n", "2.170557e-01 | \n", "4.674909e-01 | \n", "3.250197e-01 | \n", "9.851956e-01 | \n", "1.056276e+00 | \n", "... | \n", "3.314489e+03 | \n", "2.884992e+05 | \n", "1.458227e+05 | \n", "3.534885e+05 | \n", "2.635170e-01 | \n", "2.693733e+06 | \n", "1.027662e-01 | \n", "1.924793e-01 | \n", "1.713734e-01 | \n", "2.862460e-01 | \n", "
| min | \n", "1.368431e+08 | \n", "1.000000e+00 | \n", "2.142100e+04 | \n", "1.814560e+05 | \n", "5.000000e+00 | \n", "0.000000e+00 | \n", "0.000000e+00 | \n", "0.000000e+00 | \n", "0.000000e+00 | \n", "0.000000e+00 | \n", "... | \n", "1.000000e+00 | \n", "-6.767000e+03 | \n", "5.000000e+00 | \n", "1.000000e+00 | \n", "0.000000e+00 | \n", "1.368431e+08 | \n", "3.613230e-01 | \n", "0.000000e+00 | \n", "1.707320e-01 | \n", "0.000000e+00 | \n", "
| 25% | \n", "1.391705e+08 | \n", "1.284030e+05 | \n", "1.719780e+05 | \n", "5.863570e+05 | \n", "6.883725e+04 | \n", "1.000000e+00 | \n", "0.000000e+00 | \n", "0.000000e+00 | \n", "0.000000e+00 | \n", "1.000000e+00 | \n", "... | \n", "5.260000e+03 | \n", "9.468000e+03 | \n", "5.259000e+04 | \n", "1.060495e+05 | \n", "0.000000e+00 | \n", "1.391705e+08 | \n", "3.613230e-01 | \n", "0.000000e+00 | \n", "7.669250e-01 | \n", "0.000000e+00 | \n", "
| 50% | \n", "1.414916e+08 | \n", "4.168130e+05 | \n", "1.791670e+05 | \n", "6.785645e+05 | \n", "2.399180e+05 | \n", "1.000000e+00 | \n", "1.000000e+00 | \n", "0.000000e+00 | \n", "0.000000e+00 | \n", "1.000000e+00 | \n", "... | \n", "5.978000e+03 | \n", "2.241500e+04 | \n", "2.395460e+05 | \n", "3.442820e+05 | \n", "0.000000e+00 | \n", "1.414916e+08 | \n", "3.613230e-01 | \n", "0.000000e+00 | \n", "7.669250e-01 | \n", "2.214840e-01 | \n", "
| 75% | \n", "1.438272e+08 | \n", "5.644030e+05 | \n", "1.972510e+05 | \n", "7.672320e+05 | \n", "3.466830e+05 | \n", "1.000000e+00 | \n", "1.000000e+00 | \n", "0.000000e+00 | \n", "0.000000e+00 | \n", "1.000000e+00 | \n", "... | \n", "9.394000e+03 | \n", "5.505400e+04 | \n", "3.434800e+05 | \n", "7.385615e+05 | \n", "0.000000e+00 | \n", "1.438272e+08 | \n", "3.613230e-01 | \n", "0.000000e+00 | \n", "7.669250e-01 | \n", "4.429680e-01 | \n", "
| max | \n", "1.462357e+08 | \n", "7.671430e+05 | \n", "2.282130e+05 | \n", "8.330540e+05 | \n", "4.925890e+05 | \n", "1.000000e+00 | \n", "1.000000e+00 | \n", "1.000000e+00 | \n", "1.400000e+01 | \n", "2.900000e+01 | \n", "... | \n", "1.242800e+04 | \n", "3.452775e+08 | \n", "4.925890e+05 | \n", "1.184706e+06 | \n", "2.000000e+00 | \n", "1.462357e+08 | \n", "8.671330e-01 | \n", "1.000000e+00 | \n", "7.669250e-01 | \n", "1.000000e+00 | \n", "
8 rows × 27 columns
\n", "