{"id":25181,"date":"2022-12-08T13:57:05","date_gmt":"2022-12-08T08:27:05","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/"},"modified":"2022-12-08T13:57:05","modified_gmt":"2022-12-08T08:27:05","slug":"solved-programming-r-using-ifelse-with-multiple-conditions","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/","title":{"rendered":"[Solved] programming R using ifelse with multiple conditions"},"content":{"rendered":"

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You can avoid the loop or the apply statement by vectorizing the ifelse<\/code> statement.<\/p>\n

If you define i<\/code> as the vector from 3:length(E$phone), you can then run the ifelse statement directly.<\/p>\n

#test data\nphone<-c(123,123,123,333,333,333,456,456,456,789,789,789,500,500,500)\ntime<-c(\"2018-11-06\",\"2018-11-06\",\"2018-11-06\",\"2018-11-09\",\"2018-11-09\",\"2018-11-09\",\n        \"2018-11-07\",\"2018-11-07\",\"2018-11-07\",\"2018-11-05\",\"2018-11-05\", \"2018-11-05\", \n        \"2018-11-06\",\"2018-11-06\",\"2018-11-06\")\ntime<-as.Date(time)\ntel<-c(0,0,1,1,0,1,1,1,0,1,1,1,0,0,1)\nporad<-c(1,2,3,1,2,3,1,2,3,1,2,3,1,2,3)\nE<-data.frame(phone, time, tel, porad)\n\nE$de[1]=ifelse(E$phone[1]==E$phone[2] & E$time[1]==E$time[2] & E$porad[1]==2 & E$tel[1]==1,1,0)\nE$de[2]=ifelse(E$phone[2]==E$phone[3] & E$time[2]==E$time[3] & E$porad[2]==3 & E$tel[2]==1,1,0)\n\n#vectorized ifelse statement\ni<-3:length(E$phone)\nE$de[i]<-ifelse(E$phone[i]==E$phone[i-2] & E$time[i]==E$time[i-2] & E$porad[i]==3 & E$tel[i]==1 & E$tel[i-1]==0 & E$tel[i-2]==0,1,0)\n<\/code><\/pre>\n
This should run approximately 1000x faster than the for loop.<\/p>\n<\/p><\/div>\n
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            0<\/span> <\/p><\/div>\n<\/div>\n
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solved programming R using ifelse with multiple conditions <\/p>\n","protected":false},"excerpt":{"rendered":"
[ad_1] You can avoid the loop or the apply statement by vectorizing the ifelse statement. If you define i as the vector from 3:length(E$phone), you can then run the ifelse statement directly. #test data phone<-c(123,123,123,333,333,333,456,456,456,789,789,789,500,500,500) time<-c(“2018-11-06″,”2018-11-06″,”2018-11-06″,”2018-11-09″,”2018-11-09″,”2018-11-09”, “2018-11-07″,”2018-11-07″,”2018-11-07″,”2018-11-05″,”2018-11-05”, “2018-11-05”, “2018-11-06″,”2018-11-06″,”2018-11-06”) time<-as.Date(time) tel<-c(0,0,1,1,0,1,1,1,0,1,1,1,0,0,1) porad<-c(1,2,3,1,2,3,1,2,3,1,2,3,1,2,3) E<-data.frame(phone, time, tel, porad) E$de[1]=ifelse(E$phone[1]==E$phone[2] & E$time[1]==E$time[2] & E$porad[1]==2 & E$tel[1]==1,1,0) E$de[2]=ifelse(E$phone[2]==E$phone[3] & … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[1544,321],"class_list":["post-25181","post","type-post","status-publish","format-standard","hentry","category-solved","tag-conditional-statements","tag-r"],"yoast_head":"\n[Solved] programming R using ifelse with multiple conditions - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] programming R using ifelse with multiple conditions - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] You can avoid the loop or the apply statement by vectorizing the ifelse statement. If you define i as the vector from 3:length(E$phone), you can then run the ifelse statement directly. #test data phone<-c(123,123,123,333,333,333,456,456,456,789,789,789,500,500,500) time<-c("2018-11-06","2018-11-06","2018-11-06","2018-11-09","2018-11-09","2018-11-09", "2018-11-07","2018-11-07","2018-11-07","2018-11-05","2018-11-05", "2018-11-05", "2018-11-06","2018-11-06","2018-11-06") time<-as.Date(time) tel<-c(0,0,1,1,0,1,1,1,0,1,1,1,0,0,1) porad<-c(1,2,3,1,2,3,1,2,3,1,2,3,1,2,3) E<-data.frame(phone, time, tel, porad) E$de[1]=ifelse(E$phone[1]==E$phone[2] & E$time[1]==E$time[2] & E$porad[1]==2 & E$tel[1]==1,1,0) E$de[2]=ifelse(E$phone[2]==E$phone[3] & ... 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JassWeb","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:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/","og_locale":"en_US","og_type":"article","og_title":"[Solved] programming R using ifelse with multiple conditions - JassWeb","og_description":"[ad_1] You can avoid the loop or the apply statement by vectorizing the ifelse statement. If you define i as the vector from 3:length(E$phone), you can then run the ifelse statement directly. #test data phone<-c(123,123,123,333,333,333,456,456,456,789,789,789,500,500,500) time<-c(\"2018-11-06\",\"2018-11-06\",\"2018-11-06\",\"2018-11-09\",\"2018-11-09\",\"2018-11-09\", \"2018-11-07\",\"2018-11-07\",\"2018-11-07\",\"2018-11-05\",\"2018-11-05\", \"2018-11-05\", \"2018-11-06\",\"2018-11-06\",\"2018-11-06\") time<-as.Date(time) tel<-c(0,0,1,1,0,1,1,1,0,1,1,1,0,0,1) porad<-c(1,2,3,1,2,3,1,2,3,1,2,3,1,2,3) E<-data.frame(phone, time, tel, porad) E$de[1]=ifelse(E$phone[1]==E$phone[2] & E$time[1]==E$time[2] & E$porad[1]==2 & E$tel[1]==1,1,0) E$de[2]=ifelse(E$phone[2]==E$phone[3] & ... Read more","og_url":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/","og_site_name":"JassWeb","article_published_time":"2022-12-08T08:27:05+00:00","author":"Kirat","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Kirat","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/#article","isPartOf":{"@id":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/"},"author":{"name":"Kirat","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31"},"headline":"[Solved] programming R using ifelse with multiple conditions","datePublished":"2022-12-08T08:27:05+00:00","mainEntityOfPage":{"@id":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/"},"wordCount":59,"publisher":{"@id":"https:\/\/jassweb.com\/solved\/#organization"},"keywords":["conditional-statements","r"],"articleSection":["Solved"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/","url":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/","name":"[Solved] programming R using ifelse with multiple conditions - JassWeb","isPartOf":{"@id":"https:\/\/jassweb.com\/solved\/#website"},"datePublished":"2022-12-08T08:27:05+00:00","breadcrumb":{"@id":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/jassweb.com\/solved\/solved-programming-r-using-ifelse-with-multiple-conditions\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/jassweb.com\/solved\/"},{"@type":"ListItem","position":2,"name":"[Solved] programming R using ifelse with multiple conditions"}]},{"@type":"WebSite","@id":"https:\/\/jassweb.com\/solved\/#website","url":"https:\/\/jassweb.com\/solved\/","name":"JassWeb","description":"Build High-quality Websites","publisher":{"@id":"https:\/\/jassweb.com\/solved\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/jassweb.com\/solved\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/jassweb.com\/solved\/#organization","name":"Jass Web","url":"https:\/\/jassweb.com\/solved\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/","url":"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png","contentUrl":"https:\/\/jassweb.com\/wp-content\/uploads\/2021\/02\/jass-website-logo-1.png","width":693,"height":132,"caption":"Jass Web"},"image":{"@id":"https:\/\/jassweb.com\/solved\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/65c9c7b7958150c0dc8371fa35dd7c31","name":"Kirat","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/jassweb.com\/solved\/#\/schema\/person\/image\/","url":"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1776403586","contentUrl":"https:\/\/jassweb.com\/solved\/wp-content\/litespeed\/avatar\/1261af3c9451399fa1336d28b98ea3bb.jpg?ver=1776403586","caption":"Kirat"},"sameAs":["http:\/\/jassweb.com"],"url":"https:\/\/jassweb.com\/solved\/author\/jaspritsinghghumangmail-com\/"}]}},"_links":{"self":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts\/25181","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/comments?post=25181"}],"version-history":[{"count":0,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/posts\/25181\/revisions"}],"wp:attachment":[{"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/media?parent=25181"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/categories?post=25181"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jassweb.com\/solved\/wp-json\/wp\/v2\/tags?post=25181"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}