{ "id": 195465, "title": "Utilize Lecture In Your Model & Before Answering Question", "url": "/competitions/riiid-test-answer-prediction/discussion/195465", "author_name": "", "post_date": "2020-11-05T17:13:42.587632600Z", "votes": 15, "comment_count": 6, "views": 0, "content": "

Listening lectures always makes the student more knowledgeable than the student who skipped the lecture. We will check this that the student who heard the lectures performed well in answering the question.

\n

In total we have 393,656 student and out of this there are 149,606 student who listed lectures and answered the question. There are 244,050 students who did not listed lectures and answered the question.

\n

In the PDF below the mean value of the student who listened the lecture and answered the question is around.67 and the mean value of the student who did not listened the lecture and answered is around .57.On average the student who listened lecture performed well.

\n

\"\"

\n

This analysis is in the kernel https://www.kaggle.com/jsylas/utilize-lecture-in-your-model-before-answering

", "messages": [ { "id": "1070372", "postDate": "11/05/2020 17:13:42", "content": "

Listening lectures always makes the student more knowledgeable than the student who skipped the lecture. We will check this that the student who heard the lectures performed well in answering the question.

\n

In total we have 393,656 student and out of this there are 149,606 student who listed lectures and answered the question. There are 244,050 students who did not listed lectures and answered the question.

\n

In the PDF below the mean value of the student who listened the lecture and answered the question is around.67 and the mean value of the student who did not listened the lecture and answered is around .57.On average the student who listened lecture performed well.

\n

\"\"

\n

This analysis is in the kernel https://www.kaggle.com/jsylas/utilize-lecture-in-your-model-before-answering

", "rawMarkdown": "**Listening lectures always makes the student more knowledgeable than the student who skipped the lecture. We will check this that the student who heard the lectures performed well in answering the question.**\n\nIn total we have 393,656 student and out of this there are 149,606 student who listed lectures and answered the question. There are 244,050 students who did not listed lectures and answered the question.\n\nIn the PDF below the mean value of the student who listened the lecture and answered the question is around.67 and the mean value of the student who did not listened the lecture and answered is around .57.On average the student who listened lecture performed well.\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F232780%2Fcc4911aa7247ffb58428e80d069f04bc%2FLectures.png?generation=1604596118047473&alt=media)\n\nThis analysis is in the kernel [https://www.kaggle.com/jsylas/utilize-lecture-in-your-model-before-answering](https://www.kaggle.com/jsylas/utilize-lecture-in-your-model-before-answering)", "votes": null }, { "id": "1070405", "postDate": "11/05/2020 18:11:52", "content": "

please fix the kernel url

", "rawMarkdown": "please fix the kernel url", "votes": null }, { "id": "1070410", "postDate": "11/05/2020 18:16:14", "content": "

Fixed the kernel URL. Thank You.

", "rawMarkdown": "Fixed the kernel URL. Thank You.", "votes": null }, { "id": "1070598", "postDate": "11/05/2020 23:58:28", "content": "

The mean value is on the user level, shouldn't be question level? the higher mean is mainly because the user asked more questions.
\n.67 is close to the global mean.

", "rawMarkdown": "The mean value is on the user level, shouldn't be question level? the higher mean is mainly because the user asked more questions.\n.67 is close to the global mean.", "votes": null }, { "id": "1070806", "postDate": "11/06/2020 07:34:14", "content": "

If the student attended lecture for the same question id in assessment. Then the answer correctness mean comes around .70 .

", "rawMarkdown": "If the student attended lecture for the same question id in assessment. Then the answer correctness mean comes around .70 .", "votes": null }, { "id": "1072064", "postDate": "11/07/2020 18:55:55", "content": "

Is this for lectures before the question or any lecture in general?

", "rawMarkdown": "Is this for lectures before the question or any lecture in general?", "votes": null }, { "id": "1072899", "postDate": "11/08/2020 20:45:59", "content": "

This is any lecture in general. If student attended lecture same as of question_id then his answer correctness mean is .70.

", "rawMarkdown": "This is any lecture in general. If student attended lecture same as of question_id then his answer correctness mean is .70.", "votes": null } ], "comments": [ { "id": 1070405, "author_name": "sapr3s", "author_url": "", "post_date": "11/05/2020 18:11:52", "content": "

please fix the kernel url

", "votes": null, "replies": [ { "id": 1070410, "author_name": "", "author_url": "", "post_date": "11/05/2020 18:16:14", "content": "

Fixed the kernel URL. Thank You.

", "votes": null, "replies": [] } ] }, { "id": 1070598, "author_name": "xiongjiazhi", "author_url": "", "post_date": "11/05/2020 23:58:28", "content": "

The mean value is on the user level, shouldn't be question level? the higher mean is mainly because the user asked more questions.
\n.67 is close to the global mean.

", "votes": null, "replies": [ { "id": 1070806, "author_name": "", "author_url": "", "post_date": "11/06/2020 07:34:14", "content": "

If the student attended lecture for the same question id in assessment. Then the answer correctness mean comes around .70 .

", "votes": null, "replies": [] } ] }, { "id": 1072064, "author_name": "iuryck", "author_url": "", "post_date": "11/07/2020 18:55:55", "content": "

Is this for lectures before the question or any lecture in general?

", "votes": null, "replies": [ { "id": 1072899, "author_name": "", "author_url": "", "post_date": "11/08/2020 20:45:59", "content": "

This is any lecture in general. If student attended lecture same as of question_id then his answer correctness mean is .70.

", "votes": null, "replies": [] } ] } ], "raw_markdown_by_id": { "1070372": "**Listening lectures always makes the student more knowledgeable than the student who skipped the lecture. We will check this that the student who heard the lectures performed well in answering the question.**\n\nIn total we have 393,656 student and out of this there are 149,606 student who listed lectures and answered the question. There are 244,050 students who did not listed lectures and answered the question.\n\nIn the PDF below the mean value of the student who listened the lecture and answered the question is around.67 and the mean value of the student who did not listened the lecture and answered is around .57.On average the student who listened lecture performed well.\n\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F232780%2Fcc4911aa7247ffb58428e80d069f04bc%2FLectures.png?generation=1604596118047473&alt=media)\n\nThis analysis is in the kernel [https://www.kaggle.com/jsylas/utilize-lecture-in-your-model-before-answering](https://www.kaggle.com/jsylas/utilize-lecture-in-your-model-before-answering)", "1070405": "please fix the kernel url", "1070410": "Fixed the kernel URL. Thank You.", "1070598": "The mean value is on the user level, shouldn't be question level? the higher mean is mainly because the user asked more questions.\n.67 is close to the global mean.", "1070806": "If the student attended lecture for the same question id in assessment. Then the answer correctness mean comes around .70 .", "1072064": "Is this for lectures before the question or any lecture in general?", "1072899": "This is any lecture in general. If student attended lecture same as of question_id then his answer correctness mean is .70." }, "source": "meta" }