{"id":512067,"date":"2023-12-05T09:54:19","date_gmt":"2023-12-05T08:54:19","guid":{"rendered":"https:\/\/www.devoteam.com\/expert-view\/34-things-i-wish-i-knew-before-my-databricks-ml-associate-exam\/"},"modified":"2025-04-04T14:30:43","modified_gmt":"2025-04-04T12:30:43","slug":"34-things-i-wish-i-knew-before-my-databricks-ml-associate-exam","status":"publish","type":"expert-view","link":"https:\/\/devoteam.info\/me\/expert-view\/34-things-i-wish-i-knew-before-my-databricks-ml-associate-exam\/","title":{"rendered":"34 Things I Wish I Knew Before My Databricks ML Associate Exam"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Databricks is one of the most powerful data platforms out there. It combines a Data Platform and an AI Platform into the extremely powerful\u00a0<a href=\"https:\/\/www.databricks.com\/product\/data-intelligence-platform\" target=\"_blank\" rel=\"noreferrer noopener\">Databricks Data Intelligence Platform<\/a>, that enables organizations to capture the true potential of their data and their data teams.<\/p>\n\n<p class=\"wp-block-paragraph\" id=\"e6f6\">To enable users to make the most of its countless features, Databricks has opened\u00a0<a href=\"https:\/\/www.databricks.com\/blog\/2022\/09\/09\/getting-databricks-certified-now-easier-free-overview-courses.html\" rel=\"noreferrer noopener\" target=\"_blank\">free overview courses<\/a>\u00a0to partners and customers in the Databricks Academy. These courses are linked to paid certifications targeting different roles, including for ML professionals. These courses and certification paths are a great way of learning more about Databricks.<\/p>\n\n<p class=\"wp-block-paragraph\" id=\"40c1\">There are two relevant Databricks certifications for Machine Learning:<\/p>\n\n<ul class=\"wp-block-list\">\n<li>Machine Learning Associate<\/li>\n\n\n\n<li>Machine Learning Professional<\/li>\n<\/ul>\n\n<p class=\"wp-block-paragraph\" id=\"6d11\">Often, these are pursued by Machine Learning Engineers (of all flavours including MLOPS) and Data Scientists that want to prove their Databricks expertise, and acquire a more comprehensive view of what the platform offers.<\/p>\n\n<p class=\"wp-block-paragraph\" id=\"e4c7\">This was the case for me. I am a Machine Learning Engineer. While preparing for the Machine Learning Associate certification, I noticed the lack of good public content out there to prepare candidates for the certification. I\u2019ve passed the certification, and written this article to help you conquer your badge too.<\/p>\n\n<p class=\"wp-block-paragraph\" id=\"b63d\">This article covers relevant topics for the Associate certification. This is not an introduction to Machine Learning or Databricks; rather, this is a topic review for the Databricks Machine Learning Associate certification. Be\u00a0<em>sharp\u00a0<\/em>on the following topics before taking the exam.<\/p>\n\n<h1 class=\"wp-block-heading\" id=\"0eef\">The Exam<\/h1>\n\n<p class=\"wp-block-paragraph\" id=\"b445\">To obtain the Databricks\u00a0<a href=\"https:\/\/www.databricks.com\/learn\/certification\/machine-learning-associate\" rel=\"noreferrer noopener\" target=\"_blank\">Machine Learning Associate<\/a>\u00a0certification, you need to pass an online-proctored exam. The certification is intended for professionals with at least six-month experience in the platform, and it\u2019s valid for 2 years.<\/p>\n\n<p class=\"wp-block-paragraph\" id=\"270e\">In under 90 minutes, you will need to achieved a 70% mark on 45 questions. Some of these questions focus on code and the Databricks platform, some on modelling and theoretical Machine Learning concepts.<\/p>\n\n<p class=\"wp-block-paragraph\" id=\"50d6\">The exam is only available in English.<\/p>\n\n<p class=\"wp-block-paragraph\" id=\"5132\">It is divided in four sections with the following weights and topics:<\/p>\n\n<ol class=\"wp-block-list\">\n<li><strong>Databricks Machine Learning (29%):<\/strong>\u00a0Databricks ML, Databricks Runtime for Machine Learning, AutoML, Feature Store, Managed MLflow<\/li>\n\n\n\n<li><strong>ML Workflows (29%):<\/strong>\u00a0Exploratory Data Analysis, Feature Engineering, Training, Evaluation and Selection<\/li>\n\n\n\n<li><strong>Spark ML (33%):<\/strong>\u00a0Distributed ML Concepts, Spark ML Modelling APIs, Hyperopt, Pandas API on Spark, Pandas UDFs\/Function APIs<\/li>\n\n\n\n<li><strong>Scaling ML Models (9%):<\/strong>\u00a0Model Distribution, Ensembling Distribution<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\" id=\"cd48\">More details are available in the official\u00a0<a href=\"https:\/\/files.training.databricks.com\/static\/docs\/databricks-certified-machine-learning-associate-exam-guide.pdf?_gl=1*1fvzpey*_gcl_aw*R0NMLjE3MDAwNDc0MjQuQ2p3S0NBaUE5ZEdxQmhBcUVpd0FtUnBUQzhseU1SNnNFUzl0UVlMcXBhaXAzb0h3U2lxTVN6UEN4ZWpVcjU3WHBaN1d0ZGlBaG1rWkp4b0NyaWNRQXZEX0J3RQ..*_gcl_au*MzYyNzAwMTE2LjE2OTYyMzkxMjQ.*rs_ga*MmQ5NjI0YjMtYzQwOS00OTUxLTlmMzgtYTc4Y2FhOTBlNzE3*rs_ga_PQSEQ3RZQC*MTcwMDA0NzQxNjI1Ni4zNy4xLjE3MDAwNDc0MzQuNTAuMC4w\" target=\"_blank\" rel=\"noreferrer noopener\">Exam Guide<\/a>.<\/p>\n\n<h2 class=\"wp-block-heading\">Databricks ML Associate Exam: 34 useful things to know<\/h2>\n\n<p class=\"wp-block-paragraph\">Below we have displayed all 34 topics, linking to the right section in the blog post which was originally posted on Medium.com. <\/p>\n\n<h4 class=\"wp-block-heading\" id=\"cef7\"><strong>Databricks Machine Learning<\/strong><\/h4>\n\n<ol class=\"wp-block-list\">\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=1.%20How%20to%20integrate%20Git%20and%20Databricks%20to%20deliver%20CI\/CD%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to integrate Git and Databricks to deliver CI\/CD?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=2.%20When%20is%20a%20single%2Dnode%20cluster%20preferred%3F\" target=\"_blank\" rel=\"noreferrer noopener\">When is a single-node cluster preferred?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=3.%20Which%20libraries%20are%20included%20in%20Databricks%20Runtime%20ML%3F\" target=\"_blank\" rel=\"noreferrer noopener\">Which libraries are included in Databricks Runtime ML?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=4.%20How%20to%20install%20additional%20libraries%20to%20a%20cluster%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to install additional libraries to a cluster?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=5.%20What%20can%20Databricks%20AutoML%20do%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What can Databricks AutoML do?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=6.%20What%20evaluation%20metrics%20are%20optimized%20by%20Databricks%20AutoML%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What evaluation metrics are optimized by Databricks AutoML?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=7.%20How%20to%20orchestrate%20multi%2Dtask%20Databricks%20jobs%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to orchestrate multi-task Databricks jobs?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=8.%20What%20is%20a%20Feature%20Store%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What is a Feature Store?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=9.%20How%20to%20take%20a%20feature%20from%20Feature%20Store%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to take a feature from Feature Store?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=10.%20How%20to%20log%20an%20artifact%20using%20MLflow%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to log an artifact using MLflow?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=11.%20How%20to%20get%20the%20best%20run%20of%20a%20model%20using%20MLflow%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to get the best run of a model using MLflow?<\/a><br\/><br\/><strong>ML Workflows<\/strong><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=12.%20How%20to%20filter%20a%20Spark%20DataFrame%20on%20a%20given%20column%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to filter a Spark DataFrame on a given column?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=13.%20How%20to%20use%20dbutils.data.summarize%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to use dbutils.data.summarize?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=14.%20How%20to%20use%20summary%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to use summary?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=15.%20How%20to%20input%20missing%20values%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to input missing values?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=16.%20How%20to%20deal%20with%20missing%20data%20in%20tree%20algorithms%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to deal with missing data in tree algorithms?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=17.%20How%20to%20index%20and%20one%20hot%20encode%20categorical%20variables%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to index and one hot encode categorical variables?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=18.%20How%20to%20use%20the%20VectorAssembler%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to use the VectorAssembler?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=19.%20How%20do%20you%20interpret%20level%20and%20logs%20in%20regressions%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How do you interpret level and logs in regressions?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=20.%20How%20to%20evaluate%20a%20regression%20model%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to evaluate a regression model?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=21.%20How%20to%20perform%20cross%2Dvalidation%20when%20fitting%20a%20model%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to perform cross-validation when fitting a model?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=22.%20How%20to%20evaluate%20a%20binary%20classifier%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to evaluate a binary classifier?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=23.%20How%20to%20orchestrate%20runs%20with%20MLflow%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to orchestrate runs with MLflow?<\/a><br\/><br\/><strong>Spark ML<\/strong><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=24.%20What%20is%20an%20estimator%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What is an estimator?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=25.%20How%20may%20scikit%2Dlearn%20and%20Spark%20deliver%20different%20models%20if%20the%20same%20data%20and%20parameters%20are%20used%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How may scikit-learn and Spark deliver different models if the same data and parameters are used?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=26.%20What%20are%20the%20hardships%20of%20parallelization%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What are the hardships of parallelization?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=27.%20How%20to%20optimize%20with%20Hyperopt%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to optimize with Hyperopt?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=28.%20How%20to%20convert%20Pandas%20to%20Spark%20and%20back%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to convert Pandas to Spark and back?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=29.%20What%20is%20the%20Pandas%20API%20on%20Spark%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What is the Pandas API on Spark?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=30.%20What%20is%20the%20Pandas%20UDF%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What is the Pandas UDF?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=31.%20How%20to%20implement%20a%20Series%20to%20Series%20Pandas%20UDF%3F\" target=\"_blank\" rel=\"noreferrer noopener\">How to implement a Series to Series Pandas UDF?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=32.%20When%20to%20use%20ApplyInPandas%20and%20MapInPandas%3F\" target=\"_blank\" rel=\"noreferrer noopener\">When to use ApplyInPandas and MapInPandas?<\/a><br\/><br\/><strong>Scaling ML Models<\/strong><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=33.%20What%20are%20ensemble%20methods%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What are ensemble methods?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/medium.com\/@theblogofdaniel\/34-things-i-wished-i-knew-before-my-databricks-ml-associate-exam-49113d261ad8#:~:text=What%20is%20Gradient%20Boosting%3F\" target=\"_blank\" rel=\"noreferrer noopener\">What is Gradient Boosting?<\/a><\/li>\n<\/ol>\n\n<h1 class=\"wp-block-heading\" id=\"df08\">Good luck!<\/h1>\n\n<p class=\"wp-block-paragraph\" id=\"96a8\">Enroll now for the Databricks\u00a0<a href=\"https:\/\/www.databricks.com\/learn\/certification\/machine-learning-associate\" target=\"_blank\" rel=\"noreferrer noopener\">Machine Learning Associate<\/a>\u00a0certification, and go get your badge. Good luck with your exam!<\/p>\n\n<p class=\"wp-block-paragraph\" id=\"a94c\">If you found this article useful, please check our <a href=\"https:\/\/devoteam.info\/databricks-elite-partner\/\">Databricks consulting services<\/a> or\u00a0<a href=\"http:\/\/buymeacoffee.com\/thecoffeeofdaniel\" target=\"_blank\" rel=\"noreferrer noopener\">buy me a coffee<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Databricks is one of the most powerful data platforms out there. It combines a Data Platform and an AI Platform into the extremely powerful\u00a0Databricks Data Intelligence Platform, that enables organizations to capture the true potential of their data and their data teams. To enable users to make the most of its countless features, Databricks has [&hellip;]<\/p>\n","protected":false},"featured_media":362766,"template":"","categories":[39,9,4603],"tags":[2302,3249,2729],"industry":[],"class_list":["post-512067","expert-view","type-expert-view","status-publish","has-post-thumbnail","hentry","category-ai","category-data","category-databricks","tag-data-me","tag-machine-learning-me","tag-netherlands-me"],"acf":[],"cards":"\n\t<div class=\"single-post-card\">\n\n\t\t<figure class=\"wp-block-post-featured-image\"><a href=\"https:\/\/devoteam.info\/me\/expert-view\/34-things-i-wish-i-knew-before-my-databricks-ml-associate-exam\/\" target=\"_self\" ><img width=\"1280\" height=\"720\" src=\"https:\/\/devoteam.info\/wp-content\/uploads\/2024\/12\/pexels-google-deepmind-17483868.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"34 Things I Wish I Knew Before My Databricks ML Associate Exam\" 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