{"id":3103,"date":"2021-07-08T18:27:19","date_gmt":"2021-07-09T01:27:19","guid":{"rendered":"https:\/\/www.lightsondata.com\/?post_type=tva_lesson&#038;p=3103"},"modified":"2021-08-06T09:52:12","modified_gmt":"2021-08-06T16:52:12","slug":"how-to-do-an-ad-hoc-assessment","status":"publish","type":"tva_lesson","link":"https:\/\/www.lightsondata.com\/course\/how-to-do-an-ad-hoc-assessment\/","title":{"rendered":"How to do an Ad-Hoc Assessment"},"content":{"rendered":"<h2>Finding the Main Pain Points<\/h2>\n<p>I recommend finding the main pain points in your organization as they relate to data and of course, a lack of data governance. You can track these in the following categories:<\/p>\n<ul>\n<li>Data acquisition<\/li>\n<li>Data maintenance<\/li>\n<li>Data dissemination<\/li>\n<li>Data destruction\/ archival (optional)<\/li>\n<\/ul>\n<h2>Identifying Key People<\/h2>\n<ul>\n<li>Potential sponsors for the program<\/li>\n<li>The most affected individuals and departments by a lack of data governance<\/li>\n<li>The champions, unsung heroes, and data stewards without the title<\/li>\n<\/ul>\n<h2>Understanding the Current Technology and Documentation<\/h2>\n<ul>\n<li>Data sources\/ systems (template included in the next lesson)<\/li>\n<li>Data management\/ data governance tools<\/li>\n<li>Other artifacts (ex: report catalog, data model, scorecards, data quality standards, policies, procedures, etc.)<\/li>\n<\/ul>\n<h2>Data Profiling<\/h2>\n<p>Data profiling is the process of examining existing data and deriving metadata about it in order to understand the content and structure of that data. Data profiling is usually done with the help of a tool, but on how we use the tool and how we interpret the results and derive meaning out of them is up to us. <\/p>\n<p>Data profiling is performed using different types of analysis, such as:<\/p>\n<p><strong>Column profiling<\/strong><\/p>\n<p>This is where we look at each column in a table and draw some standard statistics on each column, such as:<\/p>\n<ul type=\"disc\">\n<li>Frequency distribution<\/li>\n<li>Minimum and maximum values<\/li>\n<li>Mean and median values<\/li>\n<\/ul>\n<p>The column profiling also provides us with<\/p>\n<ul type=\"disc\">\n<li>A list of distinct values<\/li>\n<li>Patterns<\/li>\n<li>Other inferred metadata such as data type<\/li>\n<\/ul>\n<p><strong>Table profiling<\/strong><\/p>\n<p>The table profiling looks for the relationships and dependencies between the columns of a table. You can generally derive business rules from what you&#8217;re seeing as part of your table profiling exercise.<\/p>\n<p><strong>Cross-table profiling<\/strong><\/p>\n<p>The cross-table profiling analyzes the relationships between columns in different tables. It is great at determining relationships between tables and helps create or confirm the logical data model.<\/p>\n","protected":false},"template":"","class_list":["post-3103","tva_lesson","type-tva_lesson","status-publish","hentry","tva_courses-practical-data-governance","post-wrapper","thrv_wrapper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>LightsOnData<\/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.lightsondata.com\/course\/how-to-do-an-ad-hoc-assessment\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to do an Ad-Hoc Assessment | LightsOnData\" \/>\n<meta property=\"og:description\" content=\"Learn how to do an ad-hoc assessment of your current environment, 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