{"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":"atributos","status":"publish","type":"guide-dutilisateur","link":"https:\/\/ellistat.com\/es\/guide-dutilisateur\/attributs\/","title":{"rendered":"Control de R&amp;R por atributos"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Cuando la comprobaci\u00f3n consiste en un juicio (OK\/KO, presencia de un defecto, aspecto), no hay que desglosar ninguna medida. En ese caso, se mide la\u00a0<strong>concordancia<\/strong>\u00a0entre los controladores, y frente a un\u00a0<strong>est\u00e1ndar<\/strong>\u00a0elaborado por un experto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cada revisor eval\u00faa varias veces cada pieza. La introducci\u00f3n de datos se realiza con un clic:&nbsp;<strong>Haz clic para \u00abOK\u00bb, Ctrl+clic para \u00abKO\u00bb<\/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\">Los indicadores:<\/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>Repetibilidad<\/strong>\u00a0: \u00bfSe eval\u00faa un controlador a s\u00ed mismo de la misma manera de una fase a otra?<\/li>\n\n\n\n<li><strong>Acuerdo global<\/strong>\u00a0\/\u00a0<strong>concordancia global<\/strong>\u00a0: \u00bfEst\u00e1n todos los controladores y la centralita de acuerdo?<\/li>\n\n\n\n<li><strong>Kappa<\/strong>\u00a0: la concordancia corregida del azar. Dos inspectores que declaran que todo est\u00e1 en regla coinciden al 100 % sin comprobar nada; el Kappa, en cambio, no se equivoca. El umbral elegido es\u00a0<strong>0,75<\/strong>.<\/li>\n\n\n\n<li><strong>Kappa, el mejor de todos los controladores<\/strong>\u00a0y\u00a0<strong>Kappa frente al est\u00e1ndar<\/strong>\u00a0: el primero indica si son coherentes entre s\u00ed, el segundo si tienen raz\u00f3n. Unos evaluadores muy coherentes entre s\u00ed, pero todos err\u00f3neos, obtienen un excelente coeficiente kappa entre ellos y un mal coeficiente kappa respecto al est\u00e1ndar.<\/li>\n\n\n\n<li><strong>Eficacia<\/strong>,\u00a0<strong>\u00edndice de error<\/strong>,\u00a0<strong>\u00edndice de falsas alarmas<\/strong>\u00a0: respectivamente, el porcentaje de valoraciones correctas, los fallos no detectados y las piezas correctas rechazadas.<\/li>\n\n\n\n<li><strong>M\u00e1s estricto \/ menos estricto<\/strong>\u00a0: el grado de rigor de cada inspector. Un inspector que sea sistem\u00e1ticamente m\u00e1s estricto genera rechazos innecesarios; si es m\u00e1s laxo, deja pasar defectos.<\/li>\n\n\n\n<li>Le\u00a0<strong>resumen por operador<\/strong>\u00a0productos inspeccionados, clasificados y porcentaje, por cada inspector.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 Distinguir entre ambos errores es importante desde el punto de vista econ\u00f3mico: una falsa alarma cuesta una pieza en buen estado, mientras que un error cuesta un cliente. No tienen el mismo coste, y el ajuste del criterio de control debe tenerlo en cuenta.<\/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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