{"id":4334,"date":"2013-09-16T19:39:32","date_gmt":"2013-09-16T23:39:32","guid":{"rendered":"http:\/\/www.iri.com\/blog\/?p=4334"},"modified":"2017-11-06T09:56:21","modified_gmt":"2017-11-06T14:56:21","slug":"multiply-aggregation","status":"publish","type":"post","link":"https:\/\/www.iri.com\/blog\/data-transformation2\/multiply-aggregation\/","title":{"rendered":"Multiply Aggregation"},"content":{"rendered":"<p>As CoSort users have known for a long time, the Sort Control Language (<a href=\"http:\/\/www.iri.com\/products\/cosort\/sortcl\" target=\"_blank\" rel=\"noopener\">SortCL<\/a>) program supports multi-level, conditional aggregation functions on a static or running basis. These functions have included value ranking, and:<\/p>\n<ul>\n<li>\/SUM<\/li>\n<li>\/MIN<\/li>\n<li>\/MAX<\/li>\n<li>\/AVERAGE<\/li>\n<li>\/COUNT<\/li>\n<\/ul>\n<p>aggregations, but not multiplication. However, multiplication in SortCL is possible.<\/p>\n<p>Consider this source data for example:<\/p>\n<pre>1.00\r\n2.00\r\n3.00\r\n4.00\r\n5.00<\/pre>\n<p>The SortCL job script below uses exponentiation on the sum of logs to get the product of down-values, based on the idea provided at\u00a0<a href=\"http:\/\/viralpatel.net\/blogs\/row-data-multiplication-in-oracle\/\">http:\/\/viralpatel.net\/blogs\/row-data-multiplication-in-oracle\/<\/a>.<\/p>\n<pre>\/INFILE=Source\r\n  \/field = (x,pos = 1,size = 5.2, numeric)\r\n\/REPORT  # no sort\r\n\/OUTFILE=Target\r\n  \/HEADREC = \"    x       log(x)    Sigma   exp(Sigma)\\n\"\r\n  \/FIELD = (x,                type = numeric, pos =  1, size =7.2)\r\n  \/FIELD = (log_x = log(x),   type = numeric, pos = 12, size =7.5)\r\n  \/FIELD = (Sigma_log_x ,     type = numeric, pos = 22, size =7.5)\r\n  \/FIELD = (exp(Sigma_log_x), type = numeric, pos = 32, size =7.2)\r\n  \/SUM Sigma_log_x from log_x running<\/pre>\n<p>The output contains the multiple (product) in the last column.<\/p>\n<pre>x       log(x)    Sigma   exp(Sigma)\r\n1.00    0.00000   0.00000      1.00\r\n2.00    0.69315   0.69315      2.00\r\n3.00    1.09861   1.79176      6.00\r\n4.00    1.38629   3.17805     24.00\r\n5.00    1.60944   4.78749    120.00<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>As CoSort users have known for a long time, the Sort Control Language (SortCL) program supports multi-level, conditional aggregation functions on a static or running basis. These functions have included value ranking, and: \/SUM \/MIN \/MAX \/AVERAGE \/COUNT aggregations, but not multiplication. However, multiplication in SortCL is possible. Consider this source data for example: 1.00<\/p>\n<div><a class=\"btn-filled btn\" href=\"https:\/\/www.iri.com\/blog\/data-transformation2\/multiply-aggregation\/\" title=\"Multiply Aggregation\">Read More<\/a><\/div>\n","protected":false},"author":8,"featured_media":11688,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[32,1],"tags":[178,44,333,116,68],"class_list":["post-4334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-business-intelligence","category-data-transformation2","tag-big-data-transformation","tag-cosort","tag-cosort-sample-script","tag-sort-join-aggregation","tag-sortcl"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.4 (Yoast SEO v23.4) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Multiply Aggregation - IRI<\/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.iri.com\/blog\/data-transformation2\/multiply-aggregation\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Multiply Aggregation\" \/>\n<meta property=\"og:description\" content=\"As CoSort users have known for a long time, the Sort Control Language (SortCL) program supports multi-level, conditional aggregation functions on a static or running basis. These functions have included value ranking, and: \/SUM \/MIN \/MAX \/AVERAGE \/COUNT aggregations, but not multiplication. However, multiplication in SortCL is possible. 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