{"id":2460,"date":"2024-10-08T15:41:13","date_gmt":"2024-10-08T13:41:13","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=guide-dutilisateur&#038;p=2460"},"modified":"2026-08-13T15:20:21","modified_gmt":"2026-08-13T13:20:21","slug":"attributes","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/en\/guide-dutilisateur\/attributs\/","title":{"rendered":"R&amp;R Analysis by Attribute"},"content":{"rendered":"<p class=\"wp-block-paragraph\">When the inspection is a pass\/fail determination\u2014OK\/KO, presence of a defect, appearance\u2014there is no measurement to break down. In that case, we measure the\u00a0<strong>concordance<\/strong>\u00a0among auditors, and in relation to a\u00a0<strong>standard<\/strong>\u00a0prepared by an expert.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Each inspector evaluates each part multiple times. Data entry is done with a click:&nbsp;<strong>Click for OK, Ctrl+Click for KO<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"468\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/retr-attribut.png\" alt=\"\" class=\"wp-image-4530\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/retr-attribut.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/retr-attribut-300x146.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/retr-attribut-768x373.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/retr-attribut-18x9.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Indicators:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"964\" height=\"348\" src=\"https:\/\/ellistat.com\/wp-content\/uploads\/indicateurs.png\" alt=\"\" class=\"wp-image-4531\" srcset=\"https:\/\/ellistat.com\/wp-content\/uploads\/indicateurs.png 964w, https:\/\/ellistat.com\/wp-content\/uploads\/indicateurs-300x108.png 300w, https:\/\/ellistat.com\/wp-content\/uploads\/indicateurs-768x277.png 768w, https:\/\/ellistat.com\/wp-content\/uploads\/indicateurs-18x6.png 18w\" sizes=\"auto, (max-width: 964px) 100vw, 964px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Repeatability<\/strong>\u00a0: Does a controller evaluate himself in the same way from one passage to the next?<\/li>\n\n\n\n<li><strong>Comprehensive Agreement<\/strong>\u00a0\/\u00a0<strong>overall consistency<\/strong>\u00a0: Do all the controllers and the switchboard agree?<\/li>\n\n\n\n<li><strong>Kappa<\/strong>\u00a0: agreement corrected for chance. Two inspectors who report that everything is in order agree 100 % without actually checking anything; Kappa, on the other hand, does not make this mistake. The threshold used is\u00a0<strong>0,75<\/strong>.<\/li>\n\n\n\n<li><strong>Kappa stands out among all controllers<\/strong>\u00a0and\u00a0<strong>Kappa vs. the Standard<\/strong>\u00a0: The first indicates whether they are consistent with one another, and the second whether they are correct. Highly consistent but entirely incorrect evaluators yield an excellent Kappa among themselves and a poor Kappa against the standard.<\/li>\n\n\n\n<li><strong>Effectiveness<\/strong>,\u00a0<strong>error rate<\/strong>,\u00a0<strong>false alarm rate<\/strong>\u00a0: the proportion of correct judgments, missed defects, and correctly identified parts that were rejected, respectively.<\/li>\n\n\n\n<li><strong>Stricter \/ Less strict<\/strong>\u00a0: the direction of the bias for each inspector. An inspector who is consistently stricter causes unnecessary rejects; one who is more lenient allows defects to slip through.<\/li>\n\n\n\n<li>The\u00a0<strong>Summary by Operator<\/strong>\u00a0Items inspected, sorted, and percentage, by inspector.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 Distinguishing between these two types of errors is important from an economic standpoint: a false alarm costs a good part, while an error costs a customer. They do not have the same cost, and the control criteria must be set accordingly.<\/p>","protected":false},"featured_media":2500,"menu_order":0,"template":"","meta":{"_acf_changed":true},"menu-guide-dutilisateur":[20],"class_list":["post-2460","guide-dutilisateur","type-guide-dutilisateur","status-publish","has-post-thumbnail","hentry","menu-guide-dutilisateur-2-gage-r-r"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Gage R&amp;R par attributs - Ellistat<\/title>\n<meta name=\"description\" content=\"Comment r\u00e9aliser une \u00e9tude Gage R&amp;R sur des donn\u00e9es attributs avec Ellistat ? 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