{"id":1049,"date":"2018-05-09T05:49:59","date_gmt":"2018-05-09T05:49:59","guid":{"rendered":"http:\/\/www.codeastar.com\/?p=1049"},"modified":"2018-05-09T06:09:33","modified_gmt":"2018-05-09T06:09:33","slug":"kaggle-click-fraud-detection-post-match","status":"publish","type":"post","link":"https:\/\/www.codeastar.com\/kaggle-click-fraud-detection-post-match\/","title":{"rendered":"[Post-Match Analysis] Why are people frustrated on Kaggle&#8217;s Click Fraud Detection challenge?"},"content":{"rendered":"<h3>The Story<\/h3>\n<p><!--more--><\/p>\n<p>After finished the Kaggle&#8217;s <a href=\"https:\/\/www.kaggle.com\/c\/talkingdata-adtracking-fraud-detection\" target=\"_blank\" rel=\"noopener\">TalkingData<\/a> <a href=\"https:\/\/www.codeastar.com\/click-fraud-detection\/\">Click Fraud Detection<\/a> challenge, people were\u00a0frustrated. As few days before the final submission, there was a public kernel which blended outputs from others and got a nice 0.9812 score. Then people just copied that kernel and submitted to Kaggle. At the end, there were 1xx copies of that kernel on the upper parts of the leaderboard and took the silver medals.<\/p>\n<p>Yes, it sounds like a sad story for people who spent days and nights to build a better model. But just remember one thing, nobody, nobody can ever take away your knowledge for what you have done. #NeverGiveUp<\/p>\n<p><img data-attachment-id=\"1058\" data-permalink=\"https:\/\/www.codeastar.com\/kaggle-click-fraud-detection-post-match\/tenor\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/05\/tenor.gif?fit=498%2C280&amp;ssl=1\" data-orig-size=\"498,280\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"#NeverGiveUp\" data-image-description=\"&lt;p&gt;#NeverGiveUp&lt;\/p&gt;\n\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/05\/tenor.gif?fit=300%2C169&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/05\/tenor.gif?fit=498%2C280&amp;ssl=1\" decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-1058\" src=\"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/05\/tenor.gif?resize=498%2C280&#038;ssl=1\" alt=\"#NeverGiveUp\" width=\"498\" height=\"280\" data-recalc-dims=\"1\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Story<\/p>\n","protected":false},"author":1,"featured_media":1050,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_newsletter_tier_id":0,"jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[18],"tags":[78,79,75,77,30,80],"jetpack_publicize_connections":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Post-Match Analysis] Why are people frustrated on Kaggle&#039;s Click Fraud Detection challenge? &#8902; Code A Star<\/title>\n<meta name=\"description\" content=\"After finished the Kaggle&#039;s TalkingData Click Fraud Detection challenge, people 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As there were 1xx copies of a public kernel on the leaderboard and took the silver medals. The kernel was just blending and not modeling.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.codeastar.com\/kaggle-click-fraud-detection-post-match\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Post-Match Analysis] Why are people frustrated on Kaggle&#039;s Click Fraud Detection challenge? &#8902; Code A Star\" \/>\n<meta property=\"og:description\" content=\"After finished the Kaggle&#039;s TalkingData Click Fraud Detection challenge, people were\u00a0frustrated. As there were 1xx copies of a public kernel on the leaderboard and took the silver medals. 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Those journeys covered popular Machine Learning topics, such as classification, regression, deep learning, and so on. I would suggest fans of Machine Learning to start with those\u2026","rel":"","context":"In &quot;Learn Machine Learning&quot;","block_context":{"text":"Learn Machine Learning","link":"https:\/\/www.codeastar.com\/category\/machine-learning\/"},"img":{"alt_text":"Click Fraud Detection","src":"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/05\/fraud_click2.png?fit=1049%2C419&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/05\/fraud_click2.png?fit=1049%2C419&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/05\/fraud_click2.png?fit=1049%2C419&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/05\/fraud_click2.png?fit=1049%2C419&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1631,"url":"https:\/\/www.codeastar.com\/get-rich-stock-trading-machine-learning\/","url_meta":{"origin":1049,"position":2},"title":"Stock Trading with Machine Learning and Get Rich","author":"Raven Hon","date":"January 16, 2019","format":false,"excerpt":"Okay, I admit it, it looks like a clickbait headline :]] (yes, we did the similar thing before :]] ). 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Then in another topic, \"Why are people frustrated on Kaggle\u2019s challenge?\", we mentioned how blending ruins a data science competition. Okay, we have a question here, is blending good or bad? Blending and\u2026","rel":"","context":"In &quot;Learn Machine Learning&quot;","block_context":{"text":"Learn Machine Learning","link":"https:\/\/www.codeastar.com\/category\/machine-learning\/"},"img":{"alt_text":"The Dark Side of Blending","src":"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/07\/darkhappy-e1532985697282.png?fit=568%2C673&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/07\/darkhappy-e1532985697282.png?fit=568%2C673&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/07\/darkhappy-e1532985697282.png?fit=568%2C673&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":1040,"url":"https:\/\/www.codeastar.com\/lgb-winning-gradient-boosting-model\/","url_meta":{"origin":1049,"position":4},"title":"LGB, the winning Gradient Boosting model","author":"Raven Hon","date":"June 1, 2018","format":false,"excerpt":"Last time, we tried the Kaggle's TalkingData Click Fraud Detection challenge. And we used limited resources to handle a 200 million records sized\u00a0dataset. Although we can make our classification with Random Forest model, we still want a better scoring result.\u00a0 Inside the Click Fraud Detection challenge's leaderboard, I find that\u2026","rel":"","context":"In &quot;Learn Machine Learning&quot;","block_context":{"text":"Learn Machine Learning","link":"https:\/\/www.codeastar.com\/category\/machine-learning\/"},"img":{"alt_text":"Gradient Boosting","src":"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/06\/gradient.png?fit=1033%2C608&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/06\/gradient.png?fit=1033%2C608&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/06\/gradient.png?fit=1033%2C608&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.codeastar.com\/wp-content\/uploads\/2018\/06\/gradient.png?fit=1033%2C608&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1191,"url":"https:\/\/www.codeastar.com\/tfidf-predict-deal-probability\/","url_meta":{"origin":1049,"position":5},"title":"TFIDF technique and Deal Probability Prediction (in Russian)","author":"Raven Hon","date":"July 17, 2018","format":false,"excerpt":"Our topic this time is too Russia, so my water just turned into Vodka :]] . 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