{"id":1088,"date":"2016-10-23T16:01:21","date_gmt":"2016-10-23T23:01:21","guid":{"rendered":"http:\/\/miriamposner.com\/classes\/dh101f16\/?p=1088"},"modified":"2016-10-23T16:01:38","modified_gmt":"2016-10-23T23:01:38","slug":"blog-post-4-data-visualization","status":"publish","type":"post","link":"https:\/\/miriamposner.com\/classes\/dh101f16\/2016\/10\/23\/blog-post-4-data-visualization\/","title":{"rendered":"Blog Post 4: Data Visualization"},"content":{"rendered":"<p>I did a data visualization of &#8220;Darts,&#8221; a data set of a Wall Street Journal experiment that threw\u00a0a series of darts at random\u00a0and then compared the results to expert predictions of the stock market, and what the stock market actually did. The goal of the experiment was to see if expert predictions were actually any more accurate than random probability.<\/p>\n<p><a href=\"https:\/\/public.tableau.com\/profile\/laurel.scott#!\/vizhome\/Darts_1\/Sheet1\">https:\/\/public.tableau.com\/profile\/laurel.scott#!\/vizhome\/Darts_1\/Sheet1<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1091 \" src=\"http:\/\/miriamposner.com\/classes\/dh101f16\/wp-content\/uploads\/sites\/5\/2016\/10\/Screen-Shot-2016-10-23-at-3.56.58-PM.png\" alt=\"screen-shot-2016-10-23-at-3-56-58-pm\" width=\"701\" height=\"291\" srcset=\"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-content\/uploads\/sites\/5\/2016\/10\/Screen-Shot-2016-10-23-at-3.56.58-PM.png 1182w, https:\/\/miriamposner.com\/classes\/dh101f16\/wp-content\/uploads\/sites\/5\/2016\/10\/Screen-Shot-2016-10-23-at-3.56.58-PM-300x125.png 300w, https:\/\/miriamposner.com\/classes\/dh101f16\/wp-content\/uploads\/sites\/5\/2016\/10\/Screen-Shot-2016-10-23-at-3.56.58-PM-768x319.png 768w, https:\/\/miriamposner.com\/classes\/dh101f16\/wp-content\/uploads\/sites\/5\/2016\/10\/Screen-Shot-2016-10-23-at-3.56.58-PM-1024x425.png 1024w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/p>\n<p>With the use of this data, it is much easier to see that neither the darts nor the expert predictions seem to have any correlation to what actually happens in the stock market. While the darts line has more random dramatic jumps here and there, oftentimes the expert opinion line will decrease dramatically at the exact same time that the actual stock market will increase. This stock market seems determined to avoid any of the dramatic increase or decreases that both the darts and the experts are constantly predicting.<\/p>\n<p>It took a surprising amount of time to &#8220;clean&#8221; the data for this visualization; I had to reformat all of the &#8220;date&#8221; information into a way that Tableau would recognize it, and aggregate much of the original data into new columns displaying the average values.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I did a data visualization of &#8220;Darts,&#8221; a data set of a Wall Street Journal experiment that threw\u00a0a series of darts at random\u00a0and then compared the results to expert predictions &hellip; <a href=\"https:\/\/miriamposner.com\/classes\/dh101f16\/2016\/10\/23\/blog-post-4-data-visualization\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Blog Post 4: Data Visualization&#8221;<\/span><\/a><\/p>\n","protected":false},"author":66,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1088","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/posts\/1088","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/users\/66"}],"replies":[{"embeddable":true,"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/comments?post=1088"}],"version-history":[{"count":0,"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/posts\/1088\/revisions"}],"wp:attachment":[{"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/media?parent=1088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/categories?post=1088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/miriamposner.com\/classes\/dh101f16\/wp-json\/wp\/v2\/tags?post=1088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}