{"id":12700,"date":"2020-03-26T07:10:40","date_gmt":"2020-03-26T12:10:40","guid":{"rendered":"https:\/\/rud.is\/b\/?p=12700"},"modified":"2020-03-26T07:10:40","modified_gmt":"2020-03-26T12:10:40","slug":"the-waffle-house-index","status":"publish","type":"post","link":"https:\/\/rud.is\/b\/2020\/03\/26\/the-waffle-house-index\/","title":{"rendered":"The Waffle House Index"},"content":{"rendered":"<p>Waffle House <a href=\"https:\/\/www.wafb.com\/2020\/03\/24\/waffle-house-closes-locations-across-us\/\">announced<\/a> it was closing hundreds of stores this week due to SARS-Cov-2 (a.k.a COVID-19). This move garnered quite a bit of media attention since former FEMA Administrator Craig Fugate <a href=\"https:\/\/www.fema.gov\/blog\/2011-07-07\/news-day-what-do-waffle-houses-have-do-risk-management\">used<\/a> the restaurant chain as both an indicator of the immediate and overall severity of a natural disaster. [He&#8217;s not the only one](https:\/\/www.ehstoday.com\/emergency-management\/article\/21906815\/what-do-waffles-have-to-do-with-risk-management. The original concept was pretty straightforward:<\/p>\n<blockquote><p>\n  For example, if a Waffle House store is open and offering a full menu, the index is green. If it is open but serving from a limited menu, it\u2019s yellow. When the location has been forced to close, the index is red. Because Waffle House is well prepared for disasters, Kouvelis said, it\u2019s rare for the index to hit red. For example, the Joplin, Mo., Waffle House survived the tornado and remained open.<br \/>\n  &nbsp;<br \/>\n  \u201cThey know immediately which stores are going to be affected and they call their employees to know who can show up and who cannot,\u201d he said. \u201cThey have temporary warehouses where they can store food and most importantly, they know they can operate without a full menu. This is a great example of a company that has learned from the past and developed an excellent emergency plan.\u201d\n<\/p><\/blockquote>\n<p>SARS-Cov-2 is not a tropical storm, so conditions are a <em>bit<\/em> different and a <em>tad<\/em> more complex when it comes to basing severity of this particular disaster (mostly caused by inept politicians across the globe), which gave me an idea for how to make the Waffle House Index a proper index, i.e. a _&#8221;statistical measure of change in a representative group of individual data points.&#8221;_<sup id=\"fnref-12700-1\"><a href=\"#fn-12700-1\" class=\"jetpack-footnote\">1<\/a><\/sup>.<\/p>\n<p>In the case of an outbreak, rather than a simple green\/yellow\/red condition state, using the ratio of closed to open  Waffle House locations as a numeric index &#8212; [0-1] &#8212; seems to make more sense since it may better help indicate:<\/p>\n<ul>\n<li>when shelter-in-place became mandatory where a given restaurant is located<\/li>\n<li>the severity of SARS-Cov-2-caused symptoms for a given location<\/li>\n<li>disruptions in the supply chain for a given location due to SARS-Cov-2<\/li>\n<\/ul>\n<p>I kinda desperately needed a <a href=\"https:\/\/twitter.com\/hrbrmstr\/status\/1241361724525158408\">covidistraction<\/a> so I set out to see how hard it would be to build such an index metric.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"12710\" data-permalink=\"https:\/\/rud.is\/b\/2020\/03\/26\/the-waffle-house-index\/wh-locs\/\" data-orig-file=\"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?fit=2868%2C1640&amp;ssl=1\" data-orig-size=\"2868,1640\" 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=\"wh-locs\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?fit=300%2C172&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?fit=510%2C292&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=510%2C292&#038;ssl=1\" alt=\"\" width=\"510\" height=\"292\" class=\"aligncenter size-full wp-image-12710\" srcset=\"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?w=2868&amp;ssl=1 2868w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=300%2C172&amp;ssl=1 300w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=530%2C303&amp;ssl=1 530w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=150%2C86&amp;ssl=1 150w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=768%2C439&amp;ssl=1 768w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=1536%2C878&amp;ssl=1 1536w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=2048%2C1171&amp;ssl=1 2048w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=500%2C286&amp;ssl=1 500w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=1200%2C686&amp;ssl=1 1200w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=400%2C229&amp;ssl=1 400w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=800%2C457&amp;ssl=1 800w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?resize=200%2C114&amp;ssl=1 200w, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2020\/03\/wh-locs.png?w=1020&amp;ssl=1 1020w\" sizes=\"auto, (max-width: 510px) 100vw, 510px\" \/><\/a><\/p>\n<p>Waffle House <a href=\"https:\/\/locations.wafflehouse.com\/\">lets you find locations<\/a> via a standard map\/search interface. They provide lots of data via that map which can be used to figure out which stores are open and which are closed. There&#8217;s a nascent <a href=\"https:\/\/github.com\/hrbrmstr\/wafflehouseindex\/settings\">R package<\/a> which contains all the recipes necessary for the data gathering. However, <strong>you don&#8217;t need to use it<\/strong>, since it powers <a href=\"https:\/\/wafflehouseindex.us\/\">wafflehouseindex.us<\/a> which is collecting the data when the store closings info changes and provides a <a href=\"http:\/\/wafflehouseindex.us\/data\/latest.csv\">snapshot of the latest data daily<\/a> (direct CSV link).<\/p>\n<p>The historical data will make it to a git repo at some point in the near future.<\/p>\n<p>The current index value is 21.2, which increased quickly after the first value of 18.1 (that event was the catalyst for getting the site up and package done) and the closed locations are on the map at the beginning of the post. I went with three qualitative levels on the gauge mostly to keep things simple.<\/p>\n<p>There will absolutely be more location closings and it will be interesting (and, ultimately, very depressing and likely grave) to see how high the index goes and how long it stays above zero.<\/p>\n<h3>FIN<\/h3>\n<p>The metric is &#8212; for the time being &#8212; computed across all stores. As noted earlier, this could be broken down into regional index scores to intuit the aforementioned three indicators on a more local level. The historical data (apart from the first closings announcement) is being saved so it will be possible to go back and compute regional indexes when I&#8217;ve got more time.<\/p>\n<p>I shall reiterate that you should grab the data from <a href=\"http:\/\/wafflehouseindex.us\/data\/latest.csv\">http:\/\/wafflehouseindex.us\/data\/latest.csv<\/a> vs use the R package since there&#8217;s no point in dup&#8217;ing the gathering and the historical data will be up and maintained soon.<\/p>\n<p>Stay safe, folks.<\/p>\n<div class=\"footnotes\">\n<hr \/>\n<ol>\n<li id=\"fn-12700-1\">\n<a href=\"https:\/\/en.wikipedia.org\/wiki\/Index_(economics)\">https:\/\/en.wikipedia.org\/wiki\/Index_(economics)<\/a>&#160;<a href=\"#fnref-12700-1\">&#8617;<\/a>\n<\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Waffle House announced it was closing hundreds of stores this week due to SARS-Cov-2 (a.k.a COVID-19). This move garnered quite a bit of media attention since former FEMA Administrator Craig Fugate used the restaurant chain as both an indicator of the immediate and overall severity of a natural disaster. [He&#8217;s not the only one](https:\/\/www.ehstoday.com\/emergency-management\/article\/21906815\/what-do-waffles-have-to-do-with-risk-management. The [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":12713,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":3,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[91],"tags":[],"class_list":["post-12700","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-r"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The Waffle House Index - rud.is<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rud.is\/b\/2020\/03\/26\/the-waffle-house-index\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Waffle House Index - rud.is\" \/>\n<meta property=\"og:description\" content=\"Waffle House announced it was closing hundreds of stores this week due to SARS-Cov-2 (a.k.a COVID-19). 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My disdain for pie charts is fairly well-known, but I do concede that there are times one needs to communicate parts of a whole graphically verses using\u2026","rel":"","context":"In &quot;Charts &amp; Graphs&quot;","block_context":{"text":"Charts &amp; Graphs","link":"https:\/\/rud.is\/b\/category\/charts-graphs\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":12403,"url":"https:\/\/rud.is\/b\/2019\/07\/12\/quick-hit-waffle-1-0-font-awesome-5-pictograms-and-more\/","url_meta":{"origin":12700,"position":1},"title":"Quick Hit: {waffle} 1.0 Font Awesome 5 Pictograms and More","author":"hrbrmstr","date":"2019-07-12","format":false,"excerpt":"The {waffle} package got some ? this week and now has a substantially improved geom_waffle() along with a brand new sibling function geom_pictogram() which has all the powerful new features of geom_waffle() but lets you use Font Awesome 5 brand and solid glyphs to make isotype pictograms. 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Apart from some extra spiffy XKCD-like styling, one other thing his waffling routines allowed for was using FontAwesome icons. When you use an icon vs a block, you are really making a basic version of\u2026","rel":"","context":"In &quot;Data Visualization&quot;","block_context":{"text":"Data Visualization","link":"https:\/\/rud.is\/b\/category\/data-visualization\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3340,"url":"https:\/\/rud.is\/b\/2015\/03\/20\/fixing-colors-proportions-in-jerusalem-post-election-graphics\/","url_meta":{"origin":12700,"position":3},"title":"Fixing Colors &#038; Proportions in Jerusalem Post Election Graphics","author":"hrbrmstr","date":"2015-03-20","format":false,"excerpt":"Vis expert Naomi Robbins did an excellent [critique](http:\/\/www.forbes.com\/sites\/naomirobbins\/2015\/03\/19\/color-problems-with-figures-from-the-jerusalem-post\/) of the [graphics](http:\/\/www.jpost.com\/Israel-Elections\/Analysis-The-Israel-election-decided-by-one-vote-394229) that went along with an article on Israeli election in the Jerusalem Post. Non-uniform and color-blind-unfriendly categorical colors and disproportionate arc sizes are definitely three substantial issues in that series of visualizations. We can rectify all of them with\u2026","rel":"","context":"In &quot;Charts &amp; Graphs&quot;","block_context":{"text":"Charts &amp; Graphs","link":"https:\/\/rud.is\/b\/category\/charts-graphs\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":11746,"url":"https:\/\/rud.is\/b\/2019\/01\/10\/waffle-geoms-other-miscellaneous-in-development-package-updates\/","url_meta":{"origin":12700,"position":4},"title":"Waffle Geoms &#038; Other Miscellaneous In-Development Package Updates","author":"hrbrmstr","date":"2019-01-10","format":false,"excerpt":"More than just sergeant has been hacked on recently, so here's a run-down of various ? updates: waffle The square pie chart generating waffle? package now contains a nascent geom_waffle() so you can do things like this: library(hrbrthemes) library(waffle) library(tidyverse) tibble( parts = factor(rep(month.abb[1:3], 3), levels=month.abb[1:3]), values = c(10, 20,\u2026","rel":"","context":"In &quot;R&quot;","block_context":{"text":"R","link":"https:\/\/rud.is\/b\/category\/r\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2019\/01\/fwg.png?fit=900%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2019\/01\/fwg.png?fit=900%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2019\/01\/fwg.png?fit=900%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2019\/01\/fwg.png?fit=900%2C1200&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4852,"url":"https:\/\/rud.is\/b\/2017\/01\/08\/2017-01-authored-package-updates\/","url_meta":{"origin":12700,"position":5},"title":"2017-01 Authored Package Updates","author":"hrbrmstr","date":"2017-01-08","format":false,"excerpt":"The rest of the month is going to be super-hectic and it's unlikely I'll be able to do any more to help the push to CRAN 10K, so here's a breakdown of CRAN and GitHub new packages & package updates that I felt were worth raising awareness on: epidata I\u2026","rel":"","context":"In &quot;dplyr&quot;","block_context":{"text":"dplyr","link":"https:\/\/rud.is\/b\/category\/dplyr\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2017\/01\/epi2.png?fit=982%2C1200&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2017\/01\/epi2.png?fit=982%2C1200&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2017\/01\/epi2.png?fit=982%2C1200&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/rud.is\/b\/wp-content\/uploads\/2017\/01\/epi2.png?fit=982%2C1200&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/posts\/12700","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/comments?post=12700"}],"version-history":[{"count":0,"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/posts\/12700\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/media\/12713"}],"wp:attachment":[{"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/media?parent=12700"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/categories?post=12700"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rud.is\/b\/wp-json\/wp\/v2\/tags?post=12700"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}