{"id":4335,"date":"2016-12-31T03:00:09","date_gmt":"2016-12-30T19:00:09","guid":{"rendered":"http:\/\/www.finereport.com\/en\/?p=4335"},"modified":"2018-09-11T18:16:56","modified_gmt":"2018-09-11T10:16:56","slug":"how-to-make-a-trendline","status":"publish","type":"post","link":"https:\/\/frg.fineres.com\/en\/2016\/12\/31\/how-to-make-a-trendline\/","title":{"rendered":"How to Make A Trendline?"},"content":{"rendered":"<p><strong>1. Problem description<\/strong><\/p>\n<p>A trendline, a great tool for <a title=\"FineReport data analysis\" href=\"\/en\/help\/data-analysis\" target=\"_blank\">data analysis<\/a>\u00a0and <a title=\"FineReport BI and reporting tool data visualization\" href=\"\/en\/help\/data-visualization\" target=\"_blank\">data visualization<\/a>, is used to display trend in data changes and is an attribute of Series. Being an important <a title=\"FineReport BI and reporting tool\" href=\"\/en\/\" target=\"_blank\">reporting tool<\/a>, it can be used in line charts, scatter charts, combination charts, column charts and area charts.The chart below is a trend chart of freights at the first half of 1997, illustrating the freight trend:<br \/>\n<img loading=\"lazy\" class=\"\" src=\"http:\/\/www.finereport.com\/en\/wp-content\/themes\/fanruan\/images\/123001.png\" alt=\"\" width=\"788\" height=\"276\" \/><br \/>\nTrendlines are set in Series format of the chart data. The example below shows how to make trendlines.<br \/>\nOpen report<span style=\"color: blue;\">:%FR_HOME%\\WebReport\\WEB-INF\\reportlets\\doc\\Advanced\\Chart\\Dateaxis.cpt.<\/span><br \/>\n<strong>2. Example<\/strong><\/p>\n<p><strong>2.1 Set trendlines<\/strong><br \/>\nSelect Chart. Click <span style=\"color: purple;\">Chart Attribute Table &#8211; Style &gt;Analysis Lines.<\/span> Click the <img src=\"http:\/\/www.finereport.com\/en\/wp-content\/themes\/fanruan\/images\/123002.png\" alt=\"\" \/><br \/>\nbutton under Trendline to add a trendline and set name, line style and trend style, as shown below:<br \/>\n<img loading=\"lazy\" class=\"\" src=\"http:\/\/www.finereport.com\/en\/wp-content\/themes\/fanruan\/images\/123003.jpg\" alt=\"\" width=\"745\" height=\"584\" \/><br \/>\nThe fitting equation of trendline is the equation type of trendline. For details, see Trendline Principle chapter.<br \/>\nThe trendline name is the name displayed in the legend.<\/p>\n<p><strong>2.2 Save and preview<\/strong><br \/>\nSave template and click Page-breaking Preview to see the effect as shown above.<\/p>\n<p><strong>2.3 Forecast trendlines<\/strong><br \/>\nTrend forecasting, belonging to\u00a0<a title=\"FineReport reporting and business intelligence tool\" href=\"\/en\/\" target=\"_blank\">business intelligence tool<\/a>, means to predict trends ahead and after based on current trends and the unit is period, i.e., number of classifications.<br \/>\nIn the trendlines as shown above, make the trend forecast forward by 2 periods and backward by 3 periods. Then, preview the report to see the effect as follows:<br \/>\n<img loading=\"lazy\" class=\"\" src=\"http:\/\/www.finereport.com\/en\/wp-content\/themes\/fanruan\/images\/123004.jpg\" alt=\"\" width=\"757\" height=\"356\" \/><\/p>\n<p>For completed templates, see:<span style=\"color: blue;\">%FR_HOME%\\WebReport\\WEB-INF\\reportlets\\doc\\Advanced\\Chart\\Trendline.cpt.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. Problem description A trendline, a great tool for da&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[111],"tags":[126,117],"_links":{"self":[{"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/posts\/4335"}],"collection":[{"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/comments?post=4335"}],"version-history":[{"count":3,"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/posts\/4335\/revisions"}],"predecessor-version":[{"id":4380,"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/posts\/4335\/revisions\/4380"}],"wp:attachment":[{"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/media?parent=4335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/categories?post=4335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/frg.fineres.com\/en\/wp-json\/wp\/v2\/tags?post=4335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}