{ "id": 202287, "title": "ROC-AUC dependence from number of previous steps", "url": "/competitions/riiid-test-answer-prediction/discussion/202287", "author_name": "Elena K.", "post_date": "2020-12-09T08:51:54.730000", "votes": 8, "comment_count": 7, "views": 0, "content": "

All time I have been working with that challenge I tried to use more data.
\nBut yesterday I decided to build roc-auc dependence curve from number of previous steps.
\nThat's what I got. Probably it may be helpful for someone.
\n\"\"

", "messages": [ { "id": 1106953, "postDate": "2020-12-09T08:51:54.730Z", "content": "

All time I have been working with that challenge I tried to use more data.
\nBut yesterday I decided to build roc-auc dependence curve from number of previous steps.
\nThat's what I got. Probably it may be helpful for someone.
\n\"\"

", "rawMarkdown": "All time I have been working with that challenge I tried to use more data.\nBut yesterday I decided to build roc-auc dependence curve from number of previous steps.\nThat's what I got. Probably it may be helpful for someone.\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F572545%2Faf2702fdce4e4bb640b0e6acc55adf82%2Fdependency.png?generation=1607503958423796&alt=media)\n\n", "votes": 7 }, { "id": 1110440, "postDate": "2020-12-12T18:28:32.930Z", "content": "

great work man ! keep it up

", "rawMarkdown": "great work man ! keep it up", "votes": 1 }, { "id": 1107109, "postDate": "2020-12-09T11:56:39.867Z", "content": "

Hello thanks for sharing. Can you elaborate this analysis here? With just two last step you achieve 79 auc?

", "rawMarkdown": "Hello thanks for sharing. Can you elaborate this analysis here? With just two last step you achieve 79 auc?", "replies": [ { "id": 1107112, "postDate": "2020-12-09T12:01:56.003Z", "content": "

It's not finished now therefore It's quite raw. But I got this on my valid set includes 10 last step of the dataset. And the train dataset is the previous steps before the valid

", "rawMarkdown": "It's not finished now therefore It's quite raw. But I got this on my valid set includes 10 last step of the dataset. And the train dataset is the previous steps before the valid" }, { "id": 1107120, "postDate": "2020-12-09T12:08:36.523Z", "content": "

I understad. thank you for explanation. In a more realistic cross validation environment, and with a bigger data, it may fail you. I tried to featurize last 30 content information and last 30 target information and it failed me.

", "rawMarkdown": "I understad. thank you for explanation. In a more realistic cross validation environment, and with a bigger data, it may fail you. I tried to featurize last 30 content information and last 30 target information and it failed me." }, { "id": 1107182, "postDate": "2020-12-09T13:15:58.700Z", "content": "

Yes, you're totally right. I try to adjust more appropriate cv

", "rawMarkdown": "Yes, you're totally right. I try to adjust more appropriate cv" } ] }, { "id": 1108022, "postDate": "2020-12-10T07:33:33.513Z", "rawMarkdown": "", "isDeleted": true, "replies": [ { "id": 1108031, "postDate": "2020-12-10T07:47:20.390Z", "content": "

user interaction (question answering)

", "rawMarkdown": "user interaction (question answering)" } ] } ], "comments": [ { "id": 1110440, "author_name": "Nitesh Ranjan Singh", "author_url": "", "post_date": "2020-12-12T18:28:32.930000", "content": "

great work man ! keep it up

", "votes": 1, "replies": [] }, { "id": 1107109, "author_name": "bturan19", "author_url": "", "post_date": "2020-12-09T11:56:39.867000", "content": "

Hello thanks for sharing. Can you elaborate this analysis here? With just two last step you achieve 79 auc?

", "votes": 0, "replies": [ { "id": 1107112, "author_name": "Elena K.", "author_url": "", "post_date": "2020-12-09T12:01:56.003000", "content": "

It's not finished now therefore It's quite raw. But I got this on my valid set includes 10 last step of the dataset. And the train dataset is the previous steps before the valid

", "votes": 0, "replies": [] }, { "id": 1107120, "author_name": "bturan19", "author_url": "", "post_date": "2020-12-09T12:08:36.523000", "content": "

I understad. thank you for explanation. In a more realistic cross validation environment, and with a bigger data, it may fail you. I tried to featurize last 30 content information and last 30 target information and it failed me.

", "votes": 0, "replies": [] }, { "id": 1107182, "author_name": "Elena K.", "author_url": "", "post_date": "2020-12-09T13:15:58.700000", "content": "

Yes, you're totally right. I try to adjust more appropriate cv

", "votes": 0, "replies": [] } ] }, { "id": 1108022, "author_name": "", "author_url": "", "post_date": "2020-12-10T07:33:33.513000", "content": "", "votes": 0, "replies": [ { "id": 1108031, "author_name": "Elena K.", "author_url": "", "post_date": "2020-12-10T07:47:20.390000", "content": "

user interaction (question answering)

", "votes": 0, "replies": [] } ] } ], "raw_markdown_by_id": { "1106953": "All time I have been working with that challenge I tried to use more data.\nBut yesterday I decided to build roc-auc dependence curve from number of previous steps.\nThat's what I got. Probably it may be helpful for someone.\n![](https://www.googleapis.com/download/storage/v1/b/kaggle-forum-message-attachments/o/inbox%2F572545%2Faf2702fdce4e4bb640b0e6acc55adf82%2Fdependency.png?generation=1607503958423796&alt=media)\n\n", "1110440": "great work man ! keep it up", "1107109": "Hello thanks for sharing. Can you elaborate this analysis here? With just two last step you achieve 79 auc?", "1108022": "" } }