{"id":2877,"date":"2024-10-24T17:16:04","date_gmt":"2024-10-24T15:16:04","guid":{"rendered":"https:\/\/ellistat.com\/?post_type=ressource-pedagogiqu&#038;p=2877"},"modified":"2024-10-24T17:16:09","modified_gmt":"2024-10-24T15:16:09","slug":"distribucion-no-normal","status":"publish","type":"ressource-pedagogiqu","link":"https:\/\/ellistat.com\/es\/ressource-pedagogiqu\/loi-non-normale\/","title":{"rendered":"Ley no normal"},"content":{"rendered":"<p>El teorema del l\u00edmite central nos dice :\u00a0<\/p>\n\n\n\n<p class=\"has-text-align-center has-very-light-gray-background-color has-background\">Cualquier sistema, resultante de la suma de muchos factores independientes entre s\u00ed y de un orden de magnitud equivalente, genera una ley de distribuci\u00f3n que tiende a una distribuci\u00f3n normal.&nbsp;<\/p>\n\n\n\n<p>Pero tambi\u00e9n podemos razonar en sentido contrario. Si observamos una distribuci\u00f3n que no es normal, entonces una de las hip\u00f3tesis del teorema no es v\u00e1lida:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caso 1: el sistema no es la suma de muchos factores: puede ser el producto de muchos factores u otros. En este caso, la ley de distribuci\u00f3n puede ser diferente y, en general, una transformaci\u00f3n (tomando el logaritmo del resultado, por ejemplo) restablecer\u00e1 una distribuci\u00f3n normal.\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caso 2: Los factores no son independientes entre s\u00ed\u00a0<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Caso 3: Los factores no son del mismo orden de magnitud :\u00a0<\/li>\n<\/ul>\n\n\n\n<p>Un factor tiene m\u00e1s peso que los dem\u00e1s. En este caso, tenemos que encontrar el factor en cuesti\u00f3n, porque \u00e9l solo genera una fuente importante de variabilidad.&nbsp;<\/p>\n\n\n\n<p>Un valor at\u00edpico contamina la distribuci\u00f3n. En este caso, tenemos que encontrar la causa del valor at\u00edpico y eliminarlo si se puede explicar la causa.&nbsp;<\/p>\n\n\n\n<p>En estos dos casos, no es necesario encontrar una ley de distribuci\u00f3n que corresponda a la variabilidad observada. De hecho, esta ley de distribuci\u00f3n no ser\u00e1 repetible en el tiempo porque se debe a un \u00fanico par\u00e1metro, por lo que no tendr\u00e1 propiedades predictivas.&nbsp;<\/p>\n\n\n\n<p>Si el origen de la no normalidad se debe al caso 1, necesitamos encontrar la ley de distribuci\u00f3n correspondiente, sobre todo si queremos predecir el porcentaje de valores fuera de tolerancia. Para ello, puede utilizar programas como <a href=\"https:\/\/ellistat.com\/es\/soluciones-de-analisis-de-datos\/\">M\u00f3dulo de an\u00e1lisis de datos<\/a> de Ellistat y compruebe las distribuciones propuestas en la parte inferior de la ventana para ver si una de las distribuciones da buena cuenta de los datos observados.<\/p>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"menu-ressource-pedagogique":[],"class_list":["post-2877","ressource-pedagogiqu","type-ressource-pedagogiqu","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Loi non-normale - Ellistat<\/title>\n<meta name=\"description\" content=\"Si l\u2019on observe une loi non-normale alors l\u2019une des hypoth\u00e8ses du th\u00e9or\u00e8me central limite n\u2019est pas valide.\" \/>\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\/es\/recurso-educativo\/distribucion-no-normal\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Loi non-normale - Ellistat\" \/>\n<meta property=\"og:description\" content=\"Si l\u2019on observe une loi non-normale alors l\u2019une des hypoth\u00e8ses du th\u00e9or\u00e8me central limite n\u2019est pas valide.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ellistat.com\/es\/recurso-educativo\/distribucion-no-normal\/\" \/>\n<meta property=\"og:site_name\" content=\"Ellistat\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-24T15:16:09+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Tiempo de lectura\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/ressource-pedagogiqu\\\/loi-non-normale\\\/\",\"url\":\"https:\\\/\\\/ellistat.com\\\/ressource-pedagogiqu\\\/loi-non-normale\\\/\",\"name\":\"Loi non-normale - Ellistat\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/#website\"},\"datePublished\":\"2024-10-24T15:16:04+00:00\",\"dateModified\":\"2024-10-24T15:16:09+00:00\",\"description\":\"Si l\u2019on observe une loi non-normale alors l\u2019une des hypoth\u00e8ses du th\u00e9or\u00e8me central limite n\u2019est pas valide.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ellistat.com\\\/ressource-pedagogiqu\\\/loi-non-normale\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ellistat.com\\\/ressource-pedagogiqu\\\/loi-non-normale\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/ressource-pedagogiqu\\\/loi-non-normale\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Accueil\",\"item\":\"https:\\\/\\\/ellistat.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Loi non-normale\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ellistat.com\\\/#website\",\"url\":\"https:\\\/\\\/ellistat.com\\\/\",\"name\":\"Ellistat\",\"description\":\"La suite qualit\u00e9 de l&#039;industrie m\u00e9canique\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ellistat.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ley no normal - Ellistat","description":"Si observamos una distribuci\u00f3n no normal, entonces una de las hip\u00f3tesis del teorema central del l\u00edmite no es v\u00e1lida.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ellistat.com\/es\/recurso-educativo\/distribucion-no-normal\/","og_locale":"es_ES","og_type":"article","og_title":"Loi non-normale - Ellistat","og_description":"Si l\u2019on observe une loi non-normale alors l\u2019une des hypoth\u00e8ses du th\u00e9or\u00e8me central limite n\u2019est pas valide.","og_url":"https:\/\/ellistat.com\/es\/recurso-educativo\/distribucion-no-normal\/","og_site_name":"Ellistat","article_modified_time":"2024-10-24T15:16:09+00:00","twitter_card":"summary_large_image","twitter_misc":{"Tiempo de lectura":"2 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/ellistat.com\/ressource-pedagogiqu\/loi-non-normale\/","url":"https:\/\/ellistat.com\/ressource-pedagogiqu\/loi-non-normale\/","name":"Ley no normal - Ellistat","isPartOf":{"@id":"https:\/\/ellistat.com\/#website"},"datePublished":"2024-10-24T15:16:04+00:00","dateModified":"2024-10-24T15:16:09+00:00","description":"Si observamos una distribuci\u00f3n no normal, entonces una de las hip\u00f3tesis del teorema central del l\u00edmite no es v\u00e1lida.","breadcrumb":{"@id":"https:\/\/ellistat.com\/ressource-pedagogiqu\/loi-non-normale\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ellistat.com\/ressource-pedagogiqu\/loi-non-normale\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/ellistat.com\/ressource-pedagogiqu\/loi-non-normale\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Accueil","item":"https:\/\/ellistat.com\/"},{"@type":"ListItem","position":2,"name":"Loi non-normale"}]},{"@type":"WebSite","@id":"https:\/\/ellistat.com\/#website","url":"https:\/\/ellistat.com\/","name":"Ellistat","description":"La suite de calidad para la industria de la ingenier\u00eda mec\u00e1nica","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ellistat.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"}]}},"_links":{"self":[{"href":"https:\/\/ellistat.com\/es\/wp-json\/wp\/v2\/ressource-pedagogiqu\/2877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellistat.com\/es\/wp-json\/wp\/v2\/ressource-pedagogiqu"}],"about":[{"href":"https:\/\/ellistat.com\/es\/wp-json\/wp\/v2\/types\/ressource-pedagogiqu"}],"wp:attachment":[{"href":"https:\/\/ellistat.com\/es\/wp-json\/wp\/v2\/media?parent=2877"}],"wp:term":[{"taxonomy":"menu-ressource-pedagogique","embeddable":true,"href":"https:\/\/ellistat.com\/es\/wp-json\/wp\/v2\/menu-ressource-pedagogique?post=2877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}