{"id":7798,"date":"2023-07-20T13:59:57","date_gmt":"2023-07-20T11:59:57","guid":{"rendered":"https:\/\/joapen.com\/blog\/?p=7798"},"modified":"2023-07-20T14:00:01","modified_gmt":"2023-07-20T12:00:01","slug":"model-verification-and-validation","status":"publish","type":"post","link":"http:\/\/joapen.com\/blog\/2023\/07\/20\/model-verification-and-validation\/","title":{"rendered":"Model verification and validatioN"},"content":{"rendered":"\n<p>All models require to be validated and verified.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><span style=\"text-decoration: underline;\"><strong>Verification<\/strong><\/span> is the process of making sure your conceptual model matches your implemented model.<\/li>\n\n\n\n<li><span style=\"text-decoration: underline;\"><strong>Validation<\/strong><\/span> is the process of making sure your implemented model corresponds to the real world.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"344\" src=\"https:\/\/joapen.com\/blog\/wp-content\/uploads\/2023\/07\/image-16-1024x344.png\" alt=\"\" class=\"wp-image-7799\" srcset=\"http:\/\/joapen.com\/blog\/wp-content\/uploads\/2023\/07\/image-16-1024x344.png 1024w, http:\/\/joapen.com\/blog\/wp-content\/uploads\/2023\/07\/image-16-300x101.png 300w, http:\/\/joapen.com\/blog\/wp-content\/uploads\/2023\/07\/image-16-768x258.png 768w, http:\/\/joapen.com\/blog\/wp-content\/uploads\/2023\/07\/image-16.png 1249w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Verification<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Communication is essential to verification\n<ul class=\"wp-block-list\">\n<li>Often the model developer and the model author are not the same person.<\/li>\n\n\n\n<li>Reducing \/ eliminating the gap between developer and author improves verification.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>We need a common language to describe conceptual models that is recognized by both authors and developers.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Validation<\/h2>\n\n\n\n<p>Ensuring that the implemented model corresponds to reality.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>All models are simplifications of reality.<\/li>\n\n\n\n<li>\u201cAll models are wrong but some are useful.\u201d &#8211; George E. P. Box.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Types of validation<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Macro-Validation: Comparing aggregate results at many different levels.\n<ul class=\"wp-block-list\">\n<li>Are the patterns of adoption similar?<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Micro-Validation:\n<ul class=\"wp-block-list\">\n<li>Comparing individual rules: Do consumers use the same information when deciding whether or not to adopt?<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Comparing individual properties: Are the properties similar?<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Face Validation: Do the general ideas about behavior and properties compare to real-world phenomena?<\/li>\n\n\n\n<li>Empirical Validation: Does data from the model correspond to real-world data?<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>All models require to be validated and verified. Verification Validation Ensuring that the implemented model corresponds to reality. Types of validation<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38],"tags":[],"class_list":["post-7798","post","type-post","status-publish","format-standard","hentry","category-learning"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Model verification and validatioN -<\/title>\n<meta name=\"description\" content=\"All models require to be validated and verified. 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