{"id":1375,"date":"2020-12-10T13:25:00","date_gmt":"2020-12-10T12:25:00","guid":{"rendered":"https:\/\/microdata.spirehost.no\/?p=1375"},"modified":"2022-02-16T13:28:43","modified_gmt":"2022-02-16T12:28:43","slug":"new-regression-functionality-retrieval-of-prediction-and-residual-values","status":"publish","type":"post","link":"https:\/\/www.microdata.no\/en\/new-regression-functionality-retrieval-of-prediction-and-residual-values\/","title":{"rendered":"New regression functionality: Retrieval of prediction and residual values"},"content":{"rendered":"\n<p>All regression commands found in microdata.no will now have associated commands that generate residual and prediction values. Such values can be used to analyze the data spread and for testing regression models. Prediction values can also be used as input for further analyzes.<\/p>\n\n\n\n<!--more-->\n\n\n\n<p>The commands have the same name as the associated regression command plus \u201c-predict\u201d, and generate a set of values:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>regress-predict: prediction values, residuals and \u201cCook\u2019s distance\u201d<\/li><li>ivregress-predict: prediction values and residuals<\/li><li>logit-predict: probability values, prediction values and residuals<\/li><li>probit-predict: probability values and prediction values<\/li><li>mlogit-predict: probability values and prediction values<\/li><li>panel-regress-predict: prediction values, residuals og unit effects<\/li><\/ul>\n\n\n\n<p>You decide which values to generate through the use of options. The result of the execution is a set of variables that contain the different values. By default, the former value type in the list above is generated, but it is still recommended to specify value type through options as this makes you able to define the names of the generated variables. If you run several \u201cpredict commands\u201d, you must create new names for the automatically generated variables to avoid variables being given the same name, which will result in an error message.<\/p>\n\n\n\n<p><em>Syntax examples:<\/em><\/p>\n\n\n<div id=\"rose-block_620ced6d7dd90\" class=\"rose-code codeblock-wrapper\">\n<pre tabindex=\"0\" class=\"codeblock\"><code>regress-predict salary age man wealth, residuals(res) predicted(pred) cooksd(cook)\r\nlogit-predict highsalary age man wealth, residuals(res2) predicted(pred2) probabilities(prob2)<\/code><\/pre>\n<\/div>\n\n\n<p>The automatically generated variables can be used as input for further analyzes or to be displayed graphically. Current graphical commands are&nbsp;<code>hexbin<\/code>&nbsp;and<code>&nbsp;histogram<\/code>. By running a histogram on the residual variable, one can check whether the residuals are normally distributed. The Hexbin command can also be used to create anonymized scatter plots where you combine two sets of values.<\/p>\n\n\n\n<p>For more details, we recommend to use the help command, e.g.&nbsp;<code>help regress-predict<\/code><\/p>\n\n\n\n<p><a href=\"https:\/\/www.microdata.no\/en\/eksempel\/prediction-and-residual-values-analysis\/\">Click here for examples of using prediction commands in analyzes<\/a><\/p>\n\n\n\n<p>We work continuously to improve microdata.no so that most analysis needs can be met. Thus, more and more analysis options will be introduced. We are based on input from researchers, and have compiled a list of new tools that we work through. Do you have specific suggestions for new functionality? Feel free to contact us by email:&nbsp;<a href=\"mailto:support@microdata.no\">support@microdata.no<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>All regression commands found in microdata.no will now have associated commands that generate residual and prediction values. Such values can be used to analyze the data spread and for testing regression models. Prediction values can also be used as input for further analyzes.<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[2],"tags":[],"class_list":["post-1375","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>New regression functionality: Retrieval of prediction and residual values - microdata.no<\/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:\/\/www.microdata.no\/en\/new-regression-functionality-retrieval-of-prediction-and-residual-values\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New regression functionality: Retrieval of prediction and residual values - microdata.no\" \/>\n<meta property=\"og:description\" content=\"All regression commands found in microdata.no will now have associated commands that generate residual and prediction values. 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