[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"sanity-3WBFjka_05Q4akBC8vHjGpbS-Iil8ItxuMK_xOdUcCU":3,"sanity-E_q07xpQE774GyTcHI-vw8BLf77TYafFfOFbwfgt4q8":290},{"data":4,"sourceMap":-1},{"latestPodcast":5,"latestReleases":14,"post":39,"recent":265},[6],{"_id":7,"publishedAt":8,"slug":9,"sponsored":12,"title":13},"4d0175f4-40a8-47eb-9bb3-a453b326aa7d","2026-07-03T07:40:00.000Z",{"_type":10,"current":11},"slug","the-good-the-bad-and-the-ai-apps",null,"The good, the bad, and the AI apps",[15,21,27,33],{"_id":16,"publishedAt":17,"slug":18,"title":20},"eb5b66eb-9410-4329-83bb-22bbff39402a","2026-04-28T13:00:00.000Z",{"_type":10,"current":19},"turn-scattered-knowledge-into-trusted-intelligence","Turning scattered knowledge into trusted intelligence: Stack Internal 2026.3",{"_id":22,"publishedAt":23,"slug":24,"title":26},"369c2401-b62e-4a37-8ff8-bf603023ecad","2026-03-02T15:03:00.988Z",{"_type":10,"current":25},"what-s-new-at-stack-overflow-march-2026","What’s new at Stack Overflow: March 2026",{"_id":28,"publishedAt":29,"slug":30,"title":32},"5e9053a4-07ea-447c-91ea-29e0b6228537","2026-02-02T15:00:00.000Z",{"_type":10,"current":31},"what-s-new-at-stack-overflow-february-2026","What’s new at Stack Overflow: February 2026",{"_id":34,"publishedAt":35,"slug":36,"title":38},"a1b538eb-a8a6-46d0-80a1-ac70ec9bb935","2026-01-05T10:00:00.000-05:00",{"_type":10,"current":37},"what-s-new-at-stack-overflow-january-2026","What’s new at Stack Overflow: January 2026",{"_createdAt":40,"_id":41,"_rev":42,"_type":43,"_updatedAt":44,"author":45,"body":76,"comments":234,"dateUrl":235,"excerpt":236,"image":237,"legacyBody":240,"product":12,"publishedAt":243,"slug":244,"sponsored":12,"tags":246,"title":264,"visible":234},"2023-05-25T09:39:17Z","wp-post-17537","9HpbCsT2tq0xwozQfkgBTj","blogPost","2023-07-13T14:55:53Z",[46,64],{"_createdAt":47,"_id":48,"_rev":49,"_system":50,"_type":53,"_updatedAt":54,"avatar":55,"employee":60,"name":61,"slug":62},"2023-05-23T16:27:18Z","wp-author-213","nRfzWrvFg3DIXOd15U9uv8",{"base":51},{"id":48,"rev":52},"9xJoPFf2DISyAMMJXP7Ct6","blogAuthor","2025-07-29T19:37:47Z",{"_type":56,"asset":57},"image",{"_ref":58,"_type":59},"image-e81c84dcaeb58be1002795a6544b595bd6fc8071-1024x1024-jpg","reference","former","Ben Popper",{"current":63},"benpopper",{"_createdAt":47,"_id":65,"_rev":66,"_type":53,"_updatedAt":67,"avatar":68,"bio":71,"employee":72,"name":73,"slug":74},"wp-author-cap-17508","07ZbrKPSUrjrV4wQ6fDpaa","2023-06-20T15:05:10Z",{"_type":56,"asset":69},{"_ref":70,"_type":59},"image-8c28cb2ef9d5c7ef909c7685c3808e5c66f17aeb-400x400-jpg","Curriculum Developer, Codecademy","none","Sophie Sommer",{"current":75},"sophie-sommer",[77,101,109,117,125,129,137,148,159,170,199,216],{"_key":78,"_type":79,"children":80,"markDefs":96,"style":100},"32ff5960211a","block",[81,87,92],{"_key":82,"_type":83,"marks":84,"text":86},"32ff5960211a0","span",[85],"em","Welcome back! This is the third class in our Level Up series on statistics with Python. If you’re just tuning in, you can catch up on what we’re doing and review the first lesson ",{"_key":88,"_type":83,"marks":89,"text":91},"32ff5960211a1",[85,90],"b7080c6a2d53","here",{"_key":93,"_type":83,"marks":94,"text":95},"32ff5960211a2",[85],".",[97],{"_key":90,"_type":98,"href":99,"reference":12},"link","https:\u002F\u002Fstackoverflow.blog\u002F2021\u002F02\u002F16\u002Flevel-up-mastering-statistics-with-python\u002F","normal",{"_key":102,"_type":79,"children":103,"markDefs":108,"style":100},"f12935c01e6d",[104],{"_key":105,"_type":83,"marks":106,"text":107},"f12935c01e6d0",[],"In this session, we're continuing our investigation of our New York City apartment dataset and looking at the relationships between different sets of variables. For example, we'll look at how NYC rent relates to the borough you live in. How does an in-unit washer\u002Fdryer change the equation? There are a lot of interesting features that we can explore in this dataset.",[],{"_key":110,"_type":79,"children":111,"markDefs":116,"style":100},"713dfca7a3f5",[112],{"_key":113,"_type":83,"marks":114,"text":115},"713dfca7a3f50",[],"Comparing summary statistics like the mean and median can help us understand how these variables are related, but we can learn even more by using visualizations. We'll look at how histograms, box plots, and scatter plots can help answer different questions about relationships between variables.",[],{"_key":118,"_type":79,"children":119,"markDefs":124,"style":100},"64915ce2678e",[120],{"_key":121,"_type":83,"marks":122,"text":123},"64915ce2678e0",[],"Finally, we'll show you how to create and interpret a heatmap of a correlation matrix to simultaneously understand relationships between all quantitative variables in a dataset.",[],{"_key":126,"_type":127,"markDefs":12,"url":128},"58c13e86b1bb","embed","https:\u002F\u002Fwww.youtube.com\u002Fembed\u002F9bLy55LK71M?start=162",{"_key":130,"_type":79,"children":131,"markDefs":136,"style":100},"43893cfd6750",[132],{"_key":133,"_type":83,"marks":134,"text":135},"43893cfd67500",[],"Here are some StackOverflow questions related to the work we did in today's session:",[],{"_key":138,"_type":79,"children":139,"markDefs":145,"style":100},"9a03b428e9f2",[140],{"_key":141,"_type":83,"marks":142,"text":144},"9a03b428e9f20",[143],"148e9dd8d4b5","Plotting A Correlation Matrix With Pandas",[146],{"_key":143,"_type":98,"href":147,"reference":12},"https:\u002F\u002Fstackoverflow.com\u002Fquestions\u002F29432629\u002Fplot-correlation-matrix-using-pandas",{"_key":149,"_type":79,"children":150,"markDefs":156,"style":100},"ca77e5055951",[151],{"_key":152,"_type":83,"marks":153,"text":155},"ca77e50559510",[154],"894e3ebec7a9","Changing The Colors Of The Graphs In A Pairplot",[157],{"_key":154,"_type":98,"href":158,"reference":12},"https:\u002F\u002Fstackoverflow.com\u002Fquestions\u002F59631092\u002Fseaborn-pairplot-changing-the-color-of-each-graph\u002F59644490",{"_key":160,"_type":79,"children":161,"markDefs":167,"style":100},"d656ca44eb5c",[162],{"_key":163,"_type":83,"marks":164,"text":166},"d656ca44eb5c0",[165],"be096087f543","Creating A Cross-Tabulation With Percentages Rather Than Frequencies",[168],{"_key":165,"_type":98,"href":169,"reference":12},"https:\u002F\u002Fstackoverflow.com\u002Fquestions\u002F21247203\u002Fhow-to-make-a-pandas-crosstab-with-percentages",{"_key":171,"_type":79,"children":172,"markDefs":194,"style":100},"73693968e7ce",[173,177,182,186,191],{"_key":174,"_type":83,"marks":175,"text":176},"73693968e7ce0",[],"If you enjoyed this lesson, you can catch up on the ",{"_key":178,"_type":83,"marks":179,"text":181},"73693968e7ce1",[180],"1a2210840065","rest of the series",{"_key":183,"_type":83,"marks":184,"text":185},"73693968e7ce2",[]," on YouTube. If you’d like to watch a session live, follow the ",{"_key":187,"_type":83,"marks":188,"text":190},"73693968e7ce3",[189],"d82e54a72bfc","Codecademy YouTube channel",{"_key":192,"_type":83,"marks":193,"text":95},"73693968e7ce4",[],[195,197],{"_key":180,"_type":98,"href":196,"reference":12},"https:\u002F\u002Fwww.youtube.com\u002Fplaylist?list=PLFzsFUO-y0HDWkdsBMtufEThI2I3c9WlZ",{"_key":189,"_type":98,"href":198,"reference":12},"https:\u002F\u002Fwww.youtube.com\u002Fc\u002Fcodecademy\u002Ffeatured",{"_key":200,"_type":79,"children":201,"markDefs":213,"style":100},"abcf2d5bc9ae",[202,206,210],{"_key":203,"_type":83,"marks":204,"text":205},"abcf2d5bc9ae0",[],"Every Tuesday from now until March 2nd, we’ll be streaming a new session at 4PM EST. You can set a reminder for the stream for March 2nd ",{"_key":207,"_type":83,"marks":208,"text":91},"abcf2d5bc9ae1",[209],"e85c0e5e2c07",{"_key":211,"_type":83,"marks":212,"text":95},"abcf2d5bc9ae2",[],[214],{"_key":209,"_type":98,"href":215,"reference":12},"https:\u002F\u002Fwww.youtube.com\u002Fwatch?v=gblWwOrRmAw",{"_key":217,"_type":79,"children":218,"markDefs":231,"style":100},"87d3ba34e4b9",[219,223,227],{"_key":220,"_type":83,"marks":221,"text":222},"87d3ba34e4b90",[],"Finally, if you want even more stats content, you can sign up for the interactive course this series was based on ",{"_key":224,"_type":83,"marks":225,"text":91},"87d3ba34e4b91",[226],"20ed74b4abaf",{"_key":228,"_type":83,"marks":229,"text":230},"87d3ba34e4b92",[],". This course was developed by Sophie and has many more quizzes, projects, and helpful nuggets that we can’t fit into our streams!",[232],{"_key":226,"_type":98,"href":233,"reference":12},"https:\u002F\u002Fwww.codecademy.com\u002Flearn\u002Fpaths\u002Fmaster-statistics-with-python?utm_source=stack_overflow&utm_medium=partners&utm_content=cclive_stats_1",true,"2021\u002F03\u002F01","Comparing summary statistics like the mean and median can help us understand how these variables are related, but we can learn even more by using visualizations.",{"_type":56,"asset":238},{"_ref":239,"_type":59},"image-9ee6ed35aa69969e0279dc197092655a5e9dd7bd-2083x875-png",{"code":241,"language":242},"\u003C!-- wp:paragraph -->\n\u003Cp>\u003Cem>Welcome back! This is the third class in our Level Up series on statistics with Python. If you’re just tuning in, you can catch up on what we’re doing and review the first lesson \u003Ca href=\"https:\u002F\u002Fstackoverflow.blog\u002F2021\u002F02\u002F16\u002Flevel-up-mastering-statistics-with-python\u002F\">here\u003C\u002Fa>.\u003C\u002Fem>\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>In this session, we're continuing our investigation of our New York City apartment dataset and looking at the relationships between different sets of variables. For example, we'll look at how NYC rent relates to the borough you live in. How does an in-unit washer\u002Fdryer change the equation? There are a lot of interesting features that we can explore in this dataset.\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>Comparing summary statistics like the mean and median can help us understand how these variables are related, but we can learn even more by using visualizations. We'll look at how histograms, box plots, and scatter plots can help answer different questions about relationships between variables.\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>Finally, we'll show you how to create and interpret a heatmap of a correlation matrix to simultaneously understand relationships between all quantitative variables in a dataset.\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:html -->\n\u003Ciframe width=\"560\" height=\"315\" src=\"https:\u002F\u002Fwww.youtube.com\u002Fembed\u002F9bLy55LK71M?start=162\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\">\u003C\u002Fiframe>\n\u003C!-- \u002Fwp:html -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>Here are some StackOverflow questions related to the work we did in today's session:\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fstackoverflow.com\u002Fquestions\u002F29432629\u002Fplot-correlation-matrix-using-pandas\">Plotting A Correlation Matrix With Pandas\u003C\u002Fa>\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fstackoverflow.com\u002Fquestions\u002F59631092\u002Fseaborn-pairplot-changing-the-color-of-each-graph\u002F59644490\">Changing The Colors Of The Graphs In A Pairplot\u003C\u002Fa>\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>\u003Ca href=\"https:\u002F\u002Fstackoverflow.com\u002Fquestions\u002F21247203\u002Fhow-to-make-a-pandas-crosstab-with-percentages\">Creating A Cross-Tabulation With Percentages Rather Than Frequencies\u003C\u002Fa>\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>If you enjoyed this lesson, you can catch up on the \u003Ca href=\"https:\u002F\u002Fwww.youtube.com\u002Fplaylist?list=PLFzsFUO-y0HDWkdsBMtufEThI2I3c9WlZ\">rest of the series\u003C\u002Fa> on YouTube. If you’d like to watch a session live, follow the \u003Ca href=\"https:\u002F\u002Fwww.youtube.com\u002Fc\u002Fcodecademy\u002Ffeatured\">Codecademy YouTube channel\u003C\u002Fa>.\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>Every Tuesday from now until March 2nd, we’ll be streaming a new session at 4PM EST. You can set a reminder for the stream for March 2nd \u003Ca href=\"https:\u002F\u002Fwww.youtube.com\u002Fwatch?v=gblWwOrRmAw\">here\u003C\u002Fa>.\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->\n\n\u003C!-- wp:paragraph -->\n\u003Cp>Finally, if you want even more stats content, you can sign up for the interactive course this series was based on \u003Ca href=\"https:\u002F\u002Fwww.codecademy.com\u002Flearn\u002Fpaths\u002Fmaster-statistics-with-python?utm_source=stack_overflow&utm_medium=partners&utm_content=cclive_stats_1\">here\u003C\u002Fa>. This course was developed by Sophie and has many more quizzes, projects, and helpful nuggets that we can’t fit into our streams!\u003C\u002Fp>\n\u003C!-- \u002Fwp:paragraph -->","html","2021-03-01T16:59:40.000Z",{"current":245},"level-up-mastering-python-with-statistics-part-3",[247,255,260],{"_createdAt":248,"_id":249,"_rev":250,"_type":251,"_updatedAt":248,"slug":252,"title":254},"2023-05-23T16:43:21Z","wp-tagcat-code-for-a-living","9HpbCsT2tq0xwozQfkc4ih","blogTag",{"current":253},"code-for-a-living","Code for a Living",{"_createdAt":248,"_id":256,"_rev":250,"_type":251,"_updatedAt":248,"slug":257,"title":259},"wp-tagcat-level-up",{"current":258},"level-up","level up",{"_createdAt":248,"_id":261,"_rev":250,"_type":251,"_updatedAt":248,"slug":262,"title":263},"wp-tagcat-statistics",{"current":263},"statistics","Level Up: Mastering statistics with Python - part 3",[266,272,278,284],{"_id":267,"publishedAt":268,"slug":269,"sponsored":12,"title":271},"28e560af-f0aa-4d46-bd90-f435ad604aa7","2026-06-26T14:00:27.102Z",{"_type":10,"current":270},"paging-charity-how-can-engineering-leaders-avoid-becoming-bond-villains","Paging Charity! How can engineering leaders avoid becoming Bond villains?",{"_id":273,"publishedAt":274,"slug":275,"sponsored":12,"title":277},"4b22c2a3-3779-4966-93eb-5230391dbdce","2026-06-23T14:08:58.595Z",{"_type":10,"current":276},"your-ai-shipped-a-backend-that-boots-that-is-the-whole-problem","Your AI shipped a backend that boots. That is the whole problem.",{"_id":279,"publishedAt":280,"slug":281,"sponsored":12,"title":283},"5cf362e1-fe7b-45af-b69c-914731c6a052","2026-06-23T14:00:00.000Z",{"_type":10,"current":282},"the-2026-developer-survey-is-now-open-for-human-developers-only","The 2026 Developer Survey is now open (for human developers only)!",{"_id":285,"publishedAt":286,"slug":287,"sponsored":12,"title":289},"30b995f7-7cb9-4dd8-bf71-d0685940a32b","2026-06-19T14:00:00.000Z",{"_type":10,"current":288},"dispatches-from-o-reilly-from-capabilities-to-responsibilities","Dispatches from O'Reilly: From capabilities to responsibilities",{"data":291,"sourceMap":-1},{"count":292,"lastTimestamp":12},0]