{"id":718,"date":"2013-02-25T14:14:21","date_gmt":"2013-02-25T14:14:21","guid":{"rendered":"http:\/\/drainthemainbrain.wordpress.com\/?p=718"},"modified":"2013-02-25T14:14:21","modified_gmt":"2013-02-25T14:14:21","slug":"data-analysis-assignment-1","status":"publish","type":"post","link":"http:\/\/blog.rajarshidas.com\/?p=718","title":{"rendered":"Data Analysis Assignment 1"},"content":{"rendered":"<p>I thought I&#8217;d share my first assignment from the Coursera class, <a href=\"https:\/\/www.coursera.org\/course\/dataanalysis\" target=\"_blank\">Data Analysis<\/a>. It&#8217;s a very simple analysis, but it did get me back into the feel of writing research papers (as opposed to the terse sentence fragments I email at work). I&#8217;m posting it here to demonstrate what level of work you can expect from such a course&#8230; and because charts in R blow Excel out of the water.<!--more--><\/p>\n<p><del datetime=\"2013-12-11T17:02:22+00:00\">Data Analysis Assignment 1<\/del> (Removing links due to plagiarism)<\/p>\n<p><img decoding=\"async\" alt=\"\" src=\"http:\/\/blog.rajarshidas.com\/wp-content\/uploads\/2013\/02\/dataanalysis1figure11.png\" \/><br \/>\n<strong>Figure 1<\/strong> A plot of residuals from the original model relating interest rates and FICO score, colored by loan length. There is clear clustering in the residuals.<br \/>\n<img decoding=\"async\" alt=\"\" src=\"http:\/\/blog.rajarshidas.com\/wp-content\/uploads\/2013\/02\/dataanalysis1figure2.png\" \/><br \/>\n<strong>Figure 2<\/strong> A plot of residuals from the original model relating interest rates and FICO score, colored by loan amount requested. There is clear clustering in the residuals.<br \/>\n<img decoding=\"async\" alt=\"\" src=\"http:\/\/blog.rajarshidas.com\/wp-content\/uploads\/2013\/02\/dataanalysis1figure3.png\" \/><br \/>\n<strong>Figure 3<\/strong> A histogram of residuals from the original model, relating interest rates and FICO score, with a normal distribution overlay. The residuals are right skewed and do not show signs of normality.<br \/>\n<img decoding=\"async\" alt=\"\" src=\"http:\/\/blog.rajarshidas.com\/wp-content\/uploads\/2013\/02\/dataanalysis1figure4.png\" \/><br \/>\n<strong>Figure 4<\/strong> A histogram of residuals from the adjusted model, relating interest rates with FICO score, loan length, and loan amount requested, with a normal distribution overlay. The residuals of the adjusted model appear better behaved than those of the original model, suggesting a better fit.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I thought I&#8217;d share my first assignment from the Coursera class, Data Analysis. It&#8217;s a very simple analysis, but it did get me back into the feel of writing research papers (as opposed to the terse sentence fragments I email at work). I&#8217;m posting it here to demonstrate what level of work you can expect [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[13,19,26],"class_list":["post-718","post","type-post","status-publish","format-standard","hentry","category-data-analysis","tag-coursera","tag-individual-loans","tag-r"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=\/wp\/v2\/posts\/718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=718"}],"version-history":[{"count":0,"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=\/wp\/v2\/posts\/718\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=718"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.rajarshidas.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}