{"id":480,"date":"2017-01-29T04:16:16","date_gmt":"2017-01-29T04:16:16","guid":{"rendered":"https:\/\/blogs.scu.edu\/dataviz\/?p=480"},"modified":"2017-01-29T04:16:46","modified_gmt":"2017-01-29T04:16:46","slug":"pie-charts-suck","status":"publish","type":"post","link":"https:\/\/blogs.scu.edu\/dataviz\/2017\/01\/29\/pie-charts-suck\/","title":{"rendered":"Pie Charts Suck"},"content":{"rendered":"<p>In class this week we learned the do\u2019s and do nots for visualization. One of the do nots that stuck out to me is to never use pie charts as a visualization tool. I wanted to see if anyone could give a good reason to use pie charts. Unfortunately, the general consensus is to avoid using pie charts. Pie charts in general can be used to show how related information can be split up into different sub-parts. However pie charts have a of distorting the information being presented. Take for example the pie chart below of the European Parliament Party Breakdown.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium\" src=\"http:\/\/static5.businessinsider.com\/image\/51bf13026bb3f7257a000030-1375-774\/piecharteuro.png\" alt=\"\" width=\"1375\" height=\"774\" \/><\/p>\n<p>While it shows the breakdown of the party, it does not show how much of a difference there is between each segment. There could be segments that are the same or even some that are only different by a percent. It would be really hard to determine the size of each segments proportion.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium\" src=\"http:\/\/static1.businessinsider.com\/image\/51bf145469bedd9e5c000013-1081-809\/barcharteuro.png\" alt=\"\" width=\"1081\" height=\"809\" \/><\/p>\n<p>Pie charts can always be converted into another chart type like the bar chart shown above which is able to show the same data as the pie chart but in a more clear and readable format.<\/p>\n<p>Source: <a href=\"http:\/\/www.businessinsider.com\/pie-charts-are-the-worst-2013-6\">http:\/\/www.businessinsider.com\/pie-charts-are-the-worst-2013-6<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In class this week we learned the do\u2019s and do nots for visualization. One of the do nots that stuck out to me is to never use pie charts as a visualization tool. I wanted to see if anyone could give a good reason to use pie charts. Unfortunately, the general consensus is to avoid &hellip; <a href=\"https:\/\/blogs.scu.edu\/dataviz\/2017\/01\/29\/pie-charts-suck\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Pie Charts Suck<\/span><\/a><\/p>\n","protected":false},"author":1801,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"qubely_global_settings":"","qubely_interactions":"","kk_blocks_editor_width":"","_kiokenblocks_attr":"","_kiokenblocks_dimensions":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-480","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"gutentor_comment":2,"qubely_featured_image_url":null,"qubely_author":{"display_name":"alo2623","author_link":"https:\/\/blogs.scu.edu\/dataviz\/author\/alo2623\/"},"qubely_comment":2,"qubely_category":"<a href=\"https:\/\/blogs.scu.edu\/dataviz\/category\/uncategorized\/\" rel=\"category tag\">Uncategorized<\/a>","qubely_excerpt":"In class this week we learned the do\u2019s and do nots for visualization. One of the do nots that stuck out to me is to never use pie charts as a visualization tool. I wanted to see if anyone could give a good reason to use pie charts. Unfortunately, the general consensus is to avoid&hellip;","post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/posts\/480","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/users\/1801"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/comments?post=480"}],"version-history":[{"count":2,"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/posts\/480\/revisions"}],"predecessor-version":[{"id":482,"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/posts\/480\/revisions\/482"}],"wp:attachment":[{"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/media?parent=480"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/categories?post=480"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.scu.edu\/dataviz\/wp-json\/wp\/v2\/tags?post=480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}