{"id":17468,"date":"2022-10-24T21:13:35","date_gmt":"2022-10-24T15:43:35","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-removing-duplicates-every-5-minutes-closed\/"},"modified":"2022-10-24T21:13:35","modified_gmt":"2022-10-24T15:43:35","slug":"solved-removing-duplicates-every-5-minutes-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-removing-duplicates-every-5-minutes-closed\/","title":{"rendered":"[Solved] Removing duplicates every 5 minutes [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-54268586\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"54268586\" data-parentid=\"54266255\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>Start from adding <em>DatTim<\/em> column (of type <em>DateTime<\/em>), taking source<br \/>\ndata from <em>Date<\/em> and <em>Time<\/em>:<\/p>\n<pre><code>df['DatTim'] = pd.to_datetime(df.Date + ' ' + df.Time)\n<\/code><\/pre>\n<p>Then, assuming that <code>ID<\/code> is an &#8220;ordinary&#8221; column (not the index),<br \/>\nyou should call:<\/p>\n<ul>\n<li><code>groupby<\/code> on <code>DatTim<\/code> column with <code>5 min<\/code> frequency.<\/li>\n<li>To each group apply <code>drop_duplicates<\/code>, with <code>subset<\/code> including only <code>ID<\/code> column.<\/li>\n<li>And finally drop <code>DatTim<\/code> from the index.<\/li>\n<\/ul>\n<p>Expressing the above instruction in Python:<\/p>\n<pre><code>df2 = df.groupby(pd.Grouper(key='DatTim', freq='5min'))\\\n    .apply(lambda grp: grp.drop_duplicates(subset=\"ID\"))\\\n    .reset_index(level=0, drop=True)\n<\/code><\/pre>\n<p>If you <code>print(df2)<\/code>, you will get:<\/p>\n<pre><code>   ID      Date      Time              DatTim\n0  12  2012-1-1  00:01:00 2012-01-01 00:01:00\n1  13  2012-1-1  00:01:30 2012-01-01 00:01:30\n3  12  2012-1-1  00:05:10 2012-01-01 00:05:10\n4  12  2012-1-1  00:10:00 2012-01-01 00:10:00\n<\/code><\/pre>\n<p>To &#8220;clean up&#8221;, you can drop <code>DatTim<\/code> column:<\/p>\n<pre><code>df2.drop('DatTim', axis=1)\n<\/code><\/pre>\n<h1>Edit<\/h1>\n<p>If <code>ID<\/code> is the index, a slight change is required:<\/p>\n<pre><code>df2 = df.groupby(pd.Grouper(key='DatTim', freq='5min'))\\\n    .apply(lambda grp: grp[~grp.index.duplicated(keep='first')])\\\n    .reset_index(level=0, drop=True)\n<\/code><\/pre>\n<p>And then the printed <code>df2<\/code> is:<\/p>\n<pre><code>        Date      Time              DatTim\nID                                        \n12  2012-1-1  00:01:00 2012-01-01 00:01:00\n13  2012-1-1  00:01:30 2012-01-01 00:01:30\n12  2012-1-1  00:05:10 2012-01-01 00:05:10\n12  2012-1-1  00:10:00 2012-01-01 00:10:00\n<\/code><\/pre>\n<p>Of course, also in this case you can drop <code>DatTim<\/code> column.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Removing duplicates every 5 minutes [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Start from adding DatTim column (of type DateTime), taking source data from Date and Time: df[&#8216;DatTim&#8217;] = pd.to_datetime(df.Date + &#8216; &#8216; + df.Time) Then, assuming that ID is an &#8220;ordinary&#8221; column (not the index), you should call: groupby on DatTim column with 5 min frequency. To each group apply drop_duplicates, with subset including only &#8230; <a title=\"[Solved] Removing duplicates every 5 minutes [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-removing-duplicates-every-5-minutes-closed\/\" aria-label=\"More on [Solved] Removing duplicates every 5 minutes [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[415,349],"class_list":["post-17468","post","type-post","status-publish","format-standard","hentry","category-solved","tag-pandas","tag-python"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Removing duplicates every 5 minutes [closed] - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-removing-duplicates-every-5-minutes-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Removing duplicates every 5 minutes [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Start from adding DatTim column (of type DateTime), taking source data from Date and Time: df[&#039;DatTim&#039;] = pd.to_datetime(df.Date + &#039; &#039; + df.Time) Then, assuming that ID is an &#8220;ordinary&#8221; column (not the index), you should call: groupby on DatTim column with 5 min frequency. 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