{ "id": 229611, "title": "What was the magic? GM Magic?", "url": "/competitions/vinbigdata-chest-xray-abnormalities-detection/discussion/229611", "author_name": "Stanley Zheng", "post_date": "2021-03-31T00:13:07.142000", "votes": 15, "comment_count": 19, "views": 0, "content": "

I was going to make a post earlier about \"where were the GM's\" but I guess we got our reply. What was the magic with the CV? It seems only the GM's had a big shake up.

\n

Watercooled 57 -> 5
\nGuanshuo Xu 89 -> 6 (with only 8 subs?!?)
\nChris Deotte & co 27 -> 7
\nlung poem jumping up in the final minutes of the competition
\nNVNN 76 -> 11

", "messages": [ { "id": 1257545, "postDate": "2021-03-31T00:13:07.143Z", "content": "

I was going to make a post earlier about \"where were the GM's\" but I guess we got our reply. What was the magic with the CV? It seems only the GM's had a big shake up.

\n

Watercooled 57 -> 5
\nGuanshuo Xu 89 -> 6 (with only 8 subs?!?)
\nChris Deotte & co 27 -> 7
\nlung poem jumping up in the final minutes of the competition
\nNVNN 76 -> 11

", "rawMarkdown": "I was going to make a post earlier about \"where were the GM's\" but I guess we got our reply. What was the magic with the CV? It seems only the GM's had a big shake up.\n\nWatercooled 57 -> 5\nGuanshuo Xu 89 -> 6 (with only 8 subs?!?)\nChris Deotte & co 27 -> 7\nlung poem jumping up in the final minutes of the competition\nNVNN 76 -> 11", "votes": 15 }, { "id": 1257552, "postDate": "2021-03-31T00:21:58.570Z", "content": "

it is a trust CV game. My public score is only 0.242

", "rawMarkdown": "it is a trust CV game. My public score is only 0.242", "votes": 6, "replies": [ { "id": 1257554, "postDate": "2021-03-31T00:24:47.693Z", "content": "

Was there anything special? I used multilabel stratified kfolds and even optimizing for CV I only got 0.267 private

\n

Congratulations on Competition GM by the way!!!

", "rawMarkdown": "Was there anything special? I used multilabel stratified kfolds and even optimizing for CV I only got 0.267 private\n\nCongratulations on Competition GM by the way!!!", "votes": 2 }, { "id": 1257556, "postDate": "2021-03-31T00:29:07.710Z", "content": "

Probably 2 class filter is very sensitive, optimizing 2 class classifier is very important too

", "rawMarkdown": "Probably 2 class filter is very sensitive, optimizing 2 class classifier is very important too", "votes": 5 }, { "id": 1257567, "postDate": "2021-03-31T00:44:54.220Z", "content": "

@ptran1203 you right!

", "rawMarkdown": "@ptran1203 you right!" }, { "id": 1257619, "postDate": "2021-03-31T02:13:21.577Z", "content": "

chúc mừng đại kiện tướng ;)

", "rawMarkdown": "chúc mừng đại kiện tướng ;)" }, { "id": 1257624, "postDate": "2021-03-31T02:19:04.543Z", "content": "

@moewie94 thank bro. Khi nào thì có form cho special prize vậy bro :))

", "rawMarkdown": "@moewie94 thank bro. Khi nào thì có form cho special prize vậy bro :))", "votes": 1 }, { "id": 1257629, "postDate": "2021-03-31T02:21:47.523Z", "content": "

thằng Kiệt bên trên ông ăn mà ông nội :v

", "rawMarkdown": "thằng Kiệt bên trên ông ăn mà ông nội :v", "votes": 1 }, { "id": 1257634, "postDate": "2021-03-31T02:23:35.363Z", "content": "

:v tưởng đồng chí đó ở nước khác chứ :((

", "rawMarkdown": ":v tưởng đồng chí đó ở nước khác chứ :((", "votes": 1 }, { "id": 1257640, "postDate": "2021-03-31T02:25:06.387Z", "content": "

lúc đầu tưởng tàu nhưng check github thấy nói tiếng dziệt =))

", "rawMarkdown": "lúc đầu tưởng tàu nhưng check github thấy nói tiếng dziệt =))", "votes": 1 }, { "id": 1257643, "postDate": "2021-03-31T02:30:11.613Z", "content": "

:))))))))))

", "rawMarkdown": ":))))))))))", "votes": 2 }, { "id": 1257661, "postDate": "2021-03-31T02:50:09.890Z", "content": "

quẩy hơi sớm rồi bro ơi =))). Dù gì vẫn chúc mừng tân GM @nvnnghia nhé 👌

", "rawMarkdown": "quẩy hơi sớm rồi bro ơi =))). Dù gì vẫn chúc mừng tân GM @nvnnghia nhé 👌", "votes": 1 }, { "id": 1257667, "postDate": "2021-03-31T02:55:19.573Z", "content": "

Thank bro. :)

", "rawMarkdown": "Thank bro. :)" }, { "id": 1258042, "postDate": "2021-03-31T09:43:06.520Z", "content": "

@moewie94 ban đầu em cũng nghĩ giống anh :))

", "rawMarkdown": "@moewie94 ban đầu em cũng nghĩ giống anh :))", "votes": 1 } ] }, { "id": 1257637, "postDate": "2021-03-31T02:24:14.987Z", "content": "

In this competition, the public LB only represents 10% of the test data so it doesn't give really much information about the final standing. I was amazed that the top 3 teams have very strong and robust solutions so their position remains top for both LB :)

", "rawMarkdown": "In this competition, the public LB only represents 10% of the test data so it doesn't give really much information about the final standing. I was amazed that the top 3 teams have very strong and robust solutions so their position remains top for both LB :)", "votes": 4, "replies": [ { "id": 1257908, "postDate": "2021-03-31T07:43:47.690Z", "content": "

There is quite some bias in test vs train so things that work on public LB can also work on private LB. But the effect is potentially reduced.

", "rawMarkdown": "There is quite some bias in test vs train so things that work on public LB can also work on private LB. But the effect is potentially reduced.", "votes": 1 } ] }, { "id": 1257597, "postDate": "2021-03-31T01:27:21.267Z", "content": "

No magic, trust on your CV and jumping

", "rawMarkdown": "No magic, trust on your CV and jumping ", "votes": 1 }, { "id": 1257660, "postDate": "2021-03-31T02:48:21.767Z", "content": "

Chris @cdeotte team and @nvnnghia have landed in gold zone for a few days while the 3 other teams climbed the private LB in the last few hours.

\n

I'm hugely impressed and cannot wait to read their solutions.

", "rawMarkdown": "Chris @cdeotte team and @nvnnghia have landed in gold zone for a few days while the 3 other teams climbed the private LB in the last few hours. \n\nI'm hugely impressed and cannot wait to read their solutions.", "votes": 2 }, { "id": 1257591, "postDate": "2021-03-31T01:19:00.730Z", "content": "

My guess is having a good CV strategy and trusting it =)

", "rawMarkdown": "My guess is having a good CV strategy and trusting it =) " }, { "id": 1257550, "postDate": "2021-03-31T00:19:57.767Z", "content": "

high CV -> high private LB?

", "rawMarkdown": "high CV -> high private LB?" } ], "comments": [ { "id": 1257552, "author_name": "nvnn", "author_url": "", "post_date": "2021-03-31T00:21:58.570000", "content": "

it is a trust CV game. My public score is only 0.242

", "votes": 6, "replies": [ { "id": 1257554, "author_name": "Stanley Zheng", "author_url": "", "post_date": "2021-03-31T00:24:47.693000", "content": "

Was there anything special? I used multilabel stratified kfolds and even optimizing for CV I only got 0.267 private

\n

Congratulations on Competition GM by the way!!!

", "votes": 2, "replies": [] }, { "id": 1257556, "author_name": "Phat Tran", "author_url": "", "post_date": "2021-03-31T00:29:07.710000", "content": "

Probably 2 class filter is very sensitive, optimizing 2 class classifier is very important too

", "votes": 5, "replies": [] }, { "id": 1257567, "author_name": "HungNT", "author_url": "", "post_date": "2021-03-31T00:44:54.220000", "content": "

@ptran1203 you right!

", "votes": 0, "replies": [] }, { "id": 1257619, "author_name": "DatNT", "author_url": "", "post_date": "2021-03-31T02:13:21.577000", "content": "

chúc mừng đại kiện tướng ;)

", "votes": 0, "replies": [] }, { "id": 1257624, "author_name": "nvnn", "author_url": "", "post_date": "2021-03-31T02:19:04.543000", "content": "

@moewie94 thank bro. Khi nào thì có form cho special prize vậy bro :))

", "votes": 1, "replies": [] }, { "id": 1257629, "author_name": "DatNT", "author_url": "", "post_date": "2021-03-31T02:21:47.523000", "content": "

thằng Kiệt bên trên ông ăn mà ông nội :v

", "votes": 1, "replies": [] }, { "id": 1257634, "author_name": "nvnn", "author_url": "", "post_date": "2021-03-31T02:23:35.363000", "content": "

:v tưởng đồng chí đó ở nước khác chứ :((

", "votes": 1, "replies": [] }, { "id": 1257640, "author_name": "DatNT", "author_url": "", "post_date": "2021-03-31T02:25:06.387000", "content": "

lúc đầu tưởng tàu nhưng check github thấy nói tiếng dziệt =))

", "votes": 1, "replies": [] }, { "id": 1257643, "author_name": "nvnn", "author_url": "", "post_date": "2021-03-31T02:30:11.613000", "content": "

:))))))))))

", "votes": 2, "replies": [] }, { "id": 1257661, "author_name": "NguyenThanhNhan", "author_url": "", "post_date": "2021-03-31T02:50:09.890000", "content": "

quẩy hơi sớm rồi bro ơi =))). Dù gì vẫn chúc mừng tân GM @nvnnghia nhé 👌

", "votes": 1, "replies": [] }, { "id": 1257667, "author_name": "nvnn", "author_url": "", "post_date": "2021-03-31T02:55:19.573000", "content": "

Thank bro. :)

", "votes": 0, "replies": [] }, { "id": 1258042, "author_name": "KhanhVD", "author_url": "", "post_date": "2021-03-31T09:43:06.520000", "content": "

@moewie94 ban đầu em cũng nghĩ giống anh :))

", "votes": 1, "replies": [] } ] }, { "id": 1257637, "author_name": "DatNT", "author_url": "", "post_date": "2021-03-31T02:24:14.987000", "content": "

In this competition, the public LB only represents 10% of the test data so it doesn't give really much information about the final standing. I was amazed that the top 3 teams have very strong and robust solutions so their position remains top for both LB :)

", "votes": 4, "replies": [ { "id": 1257908, "author_name": "Psi", "author_url": "", "post_date": "2021-03-31T07:43:47.690000", "content": "

There is quite some bias in test vs train so things that work on public LB can also work on private LB. But the effect is potentially reduced.

", "votes": 1, "replies": [] } ] }, { "id": 1257597, "author_name": "KhanhVD", "author_url": "", "post_date": "2021-03-31T01:27:21.267000", "content": "

No magic, trust on your CV and jumping

", "votes": 1, "replies": [] }, { "id": 1257660, "author_name": "NguyenThanhNhan", "author_url": "", "post_date": "2021-03-31T02:48:21.767000", "content": "

Chris @cdeotte team and @nvnnghia have landed in gold zone for a few days while the 3 other teams climbed the private LB in the last few hours.

\n

I'm hugely impressed and cannot wait to read their solutions.

", "votes": 2, "replies": [] }, { "id": 1257591, "author_name": "Trushant Kalyanpur", "author_url": "", "post_date": "2021-03-31T01:19:00.730000", "content": "

My guess is having a good CV strategy and trusting it =)

", "votes": 0, "replies": [] }, { "id": 1257550, "author_name": "kidd", "author_url": "", "post_date": "2021-03-31T00:19:57.767000", "content": "

high CV -> high private LB?

", "votes": 0, "replies": [] } ], "raw_markdown_by_id": { "1257545": "I was going to make a post earlier about \"where were the GM's\" but I guess we got our reply. What was the magic with the CV? It seems only the GM's had a big shake up.\n\nWatercooled 57 -> 5\nGuanshuo Xu 89 -> 6 (with only 8 subs?!?)\nChris Deotte & co 27 -> 7\nlung poem jumping up in the final minutes of the competition\nNVNN 76 -> 11", "1257552": "it is a trust CV game. My public score is only 0.242", "1257637": "In this competition, the public LB only represents 10% of the test data so it doesn't give really much information about the final standing. I was amazed that the top 3 teams have very strong and robust solutions so their position remains top for both LB :)", "1257597": "No magic, trust on your CV and jumping ", "1257660": "Chris @cdeotte team and @nvnnghia have landed in gold zone for a few days while the 3 other teams climbed the private LB in the last few hours. \n\nI'm hugely impressed and cannot wait to read their solutions.", "1257591": "My guess is having a good CV strategy and trusting it =) ", "1257550": "high CV -> high private LB?" } }