{"id":3848,"date":"2021-12-20T11:11:36","date_gmt":"2021-12-20T19:11:36","guid":{"rendered":"https:\/\/SUMMALAI.COM\/?p=3848"},"modified":"2021-12-20T11:11:38","modified_gmt":"2021-12-20T19:11:38","slug":"how-to-improve-data-quality-in-power-bi","status":"publish","type":"post","link":"https:\/\/SUMMALAI.COM\/?p=3848","title":{"rendered":"How to Improve Data Quality in Power BI"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\">Column quality, Column distribution, and Column profile<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-feature-in-Power-BI.png\" alt=\"Data profiling feature in Power BI\"\/><\/figure>\n\n\n\n<p>In this blog, you will understand all about Power BI&nbsp;<strong>Data profiling tools<\/strong>&nbsp;(Column quality, Column distribution &amp; Column profile).<\/p>\n\n\n\n<p>The data profiling tools provide you with a visual way to understand more about your data. Using this you can clean, transform, and understand data in Power Query Editor.<\/p>\n\n\n\n<p>Column quality, Column distribution &amp; Column profile are the main parts of the data profiling process.<\/p>\n\n\n\n<p>You can see Data profiling under Power Query Editor window, follow these steps to enable data profiling-<\/p>\n\n\n\n<p>Open&nbsp;<strong>Power Query Editor<\/strong>&nbsp;&gt; Go to&nbsp;<strong>View<\/strong>&nbsp;tab &gt; and check the following under Data Preview-<\/p>\n\n\n\n<p>Column quality, Column distribution &amp; Column profile.<img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Enable-data-profiling.png\" alt=\"Enable data profiling\" width=\"672\" height=\"118\" srcset=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Enable-data-profiling.png 672w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Enable-data-profiling-300x53.png 300w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Enable-data-profiling-150x26.png 150w\"><\/p>\n\n\n\n<p id=\"caption-attachment-6318\">Enable data profiling<\/p>\n\n\n\n<p><em><strong>Note:-<\/strong><\/em><\/p>\n\n\n\n<p><em>By default, Power Query will perform this data profiling over the<strong>&nbsp;first 1,000 rows of your data<\/strong>.<\/em><\/p>\n\n\n\n<p><em>To perform with entire dataset, check the lower-left corner of your editor window to change how column profiling is performed.<\/em><img decoding=\"async\" src=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-with-1000-rows.png\" alt=\"Data profiling with 1000 rows\" width=\"663\" height=\"122\" srcset=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-with-1000-rows.png 663w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-with-1000-rows-300x55.png 300w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-with-1000-rows-150x28.png 150w\"><\/p>\n\n\n\n<p id=\"caption-attachment-6320\">Data profiling with 1000 rows<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Understand data profiling in detail-<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Monospaced:<\/h3>\n\n\n\n<p>Display data in Monospaced font, it will change the font-family under Power Query editor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Show Whitespace:<\/h3>\n\n\n\n<p>Show WhiteSpace and Newline character, if exist in your data.<img decoding=\"async\" src=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-Show-whitespace.png\" alt=\"Data-profiling Show whitespace\" width=\"757\" height=\"425\" srcset=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-Show-whitespace.png 757w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-Show-whitespace-300x168.png 300w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-Show-whitespace-150x84.png 150w\"><\/p>\n\n\n\n<p id=\"caption-attachment-6322\">Data-profiling Show whitespace<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Column quality:<\/h3>\n\n\n\n<p>The Column quality checks the quality of the data in terms of&nbsp;<strong><em>valid<\/em><\/strong>,&nbsp;<strong><em>Error<\/em><\/strong>&nbsp;&amp;&nbsp;<strong><em>Empty,&nbsp;<\/em><\/strong>also it displayed the percentage of data values associated with the selected table.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Valid-<\/strong>&nbsp;shown in green<\/li><li><strong>Error-<\/strong>&nbsp;shown in red<\/li><li><strong>Empty-<\/strong>&nbsp;shown in dark grey<\/li><\/ul>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Column-quality-data-profiling.png\" alt=\"Column-quality-data-profiling\" width=\"533\" height=\"534\" srcset=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Column-quality-data-profiling.png 533w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Column-quality-data-profiling-300x300.png 300w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Column-quality-data-profiling-150x150.png 150w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Column-quality-data-profiling-400x400.png?crop=1 400w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Column-quality-data-profiling-200x200.png?crop=1 200w\"><\/p>\n\n\n\n<p id=\"caption-attachment-6325\">Column-quality-data-profiling<\/p>\n\n\n\n<p>By mouseover any column it will show you a numerical distribution of the quality of values throughout the columns, selecting the ellipsis icon(\u2026) it opens some quick action buttons for operations on the values.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Column distribution:<\/h3>\n\n\n\n<p>In this section, you can see the distinct and unique records of the values in each of the columns as in histogram visual.<\/p>\n\n\n\n<p>When you mouseover the column and select the ellipsis icon(\u2026) it displays the suggestion for operations on the values.<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-column-distribution.png\" alt=\"Data-profiling-column-distribution\" width=\"423\" height=\"555\" srcset=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-column-distribution.png 423w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-column-distribution-229x300.png 229w, https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-column-distribution-114x150.png 114w\"><\/p>\n\n\n\n<p id=\"caption-attachment-6328\">Data-profiling-column-distribution<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"column-profile\">Column profile:<\/h3>\n\n\n\n<p>This is the most important feature and provides a more in-depth look at the data in a column.<\/p>\n\n\n\n<p><strong>Column Statistics:<\/strong>&nbsp; It displays Count, Error, Empty, Distinct, Unique, Empty String, Min, &amp; Max of the selected column.<\/p>\n\n\n\n<p><strong>Value Distribution:<\/strong>&nbsp;As per value shows data in a bar graph.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/powerbidocs.com\/wp-content\/uploads\/2021\/03\/Data-profiling-Column-profile.png\" alt=\"Data-profiling-Column-profile\" class=\"wp-image-6331\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/docs.microsoft.com\/en-us\/learn\/modules\/get-data\/media\/lab-029.png#lightbox\" alt=\"\"\/><figcaption>Notice the data quality issue: there are two labels for warehouse (<strong>Warehouse<\/strong>, and the misspelled&nbsp;<strong>Ware House<\/strong>)<\/figcaption><\/figure>\n\n\n\n<p>Below, It is another good article about this topic.<\/p>\n\n\n\n<p><a href=\"https:\/\/docs.microsoft.com\/en-us\/learn\/modules\/clean-data-power-bi\/6-profile-data\">Profile data in Power BI &#8211; Learn | Microsoft Docs<\/a><\/p>\n\n\n\n<p>Ref: https:\/\/powerbidocs.com\/2021\/03\/02\/column-quality-column-distribution-column-profile\/<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Column quality, Column distribution, and Column profile In this blog, you will understand all about Power BI&nbsp;Data profiling tools&nbsp;(Column quality, Column distribution &amp; Column profile). The data profiling tools provide you with a visual way to understand more about your data. Using this you can clean, transform, and understand data in Power Query Editor. Column <a class=\"read-more\" href=\"https:\/\/SUMMALAI.COM\/?p=3848\">Read More<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[10,621],"tags":[1001,1003,1000],"class_list":["post-3848","post","type-post","status-publish","format-standard","hentry","category-microsoft","category-power-bi","tag-column-distribution","tag-column-profile","tag-column-quality"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=\/wp\/v2\/posts\/3848","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3848"}],"version-history":[{"count":3,"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=\/wp\/v2\/posts\/3848\/revisions"}],"predecessor-version":[{"id":3851,"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=\/wp\/v2\/posts\/3848\/revisions\/3851"}],"wp:attachment":[{"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3848"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3848"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/SUMMALAI.COM\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3848"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}