{"id":4612,"date":"2026-08-12T14:48:01","date_gmt":"2026-08-12T12:48:01","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=4612"},"modified":"2026-08-12T14:48:01","modified_gmt":"2026-08-12T12:48:01","slug":"return-tracking","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/en\/guide-dutilisateur\/suivi-des-retours\/","title":{"rendered":"Return Tracking"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Once the reliability law has been established, this page compares the&nbsp;<strong>actual returns<\/strong>&nbsp;at&nbsp;<strong>Expected returns<\/strong>, calculated based on actual sales and the theoretical formula.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The monitoring system allows you to track production or sales periods on a rolling basis, as indicated on the Nevada. By tracking these different periods, you can gain a very clear picture of how product reliability has evolved.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"478\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite8.png\" alt=\"\" class=\"wp-image-4613\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite8.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite8-300x149.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite8-768x381.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/fiabilite8-18x9.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Enter the\u00a0<strong>reliability law to consider<\/strong>, the\u00a0<strong>analysis end date<\/strong>\u00a0and the\u00a0<strong>warranty period<\/strong>, the latter being used to\u00a0<strong>censor<\/strong>\u00a0the data.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The graph&nbsp;<strong>Actual Returns vs. Expected Returns<\/strong>&nbsp;Overlay the two curves.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 This is the validity check for the model currently in use. Three readings: <\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The curves overlap: the model holds up, and reliability is under control; ;<\/li>\n\n\n\n<li>actual returns\u00a0<strong>exceed<\/strong>\u00a0Reasons: Reliability is lower than expected: production variation, more severe usage, or an incorrectly estimated law; ;<\/li>\n\n\n\n<li>The actual returns are\u00a0<strong>lower<\/strong>\u00a0: This seems like good news, but first check to make sure all returns are being properly tracked. A customer service system that misses cases can give the same impression as an excellent product.<\/li>\n<\/ul>","protected":false},"featured_media":0,"menu_order":60,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[36],"class_list":["post-4612","guide-dutilisateur","type-guide-dutilisateur","status-publish","hentry","menu-guide-dutilisateur-9-fiabilite"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Suivi des retours - Ellistat<\/title>\n<meta name=\"description\" content=\"Comparez les retours r\u00e9els aux retours attendus par votre loi de fiabilit\u00e9 et d\u00e9tectez toute d\u00e9rive de production ou d&#039;usage d\u00e8s qu&#039;elle appara\u00eet.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ellistat.com\/en\/users-guide\/return-tracking\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Suivi des retours - 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