{"id":891,"date":"2011-10-31T10:44:58","date_gmt":"2011-10-31T10:44:58","guid":{"rendered":"http:\/\/deazone.com\/en\/?p=891"},"modified":"2011-11-07T17:20:59","modified_gmt":"2011-11-07T17:20:59","slug":"faq-categorical-variable","status":"publish","type":"post","link":"http:\/\/deazone.com\/en\/faq-categorical-variable","title":{"rendered":"Categorical variable"},"content":{"rendered":"<p>A factor which can assume only a predefined set of discrete values. Categorical variables are frequently used to indicate the presence or absence of an attribute. An analysis on fast-food restaurants could use a categorical variable assigned to I to indicate the presence of a drive-in window, with the value O denoting its absence. The use of categorical variables requires modifications in DEA models as indicated in Banker and Morey (1986). See also: ordinal variable.<\/p>\n<p>&#8211; Banker R D and Morey R (1986) &#8216;The use of categorical variables in data envelopment analysis&#8217;, Mgmt. Sci., 32, pp 1613-1627.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A factor which can assume only a predefined set of discrete values. Categorical variables are frequently used to indicate the presence or absence of an attribute. An analysis on fast-food restaurants could use a categorical variable assigned to I to indicate the presence of a drive-in window, with the value O denoting its absence. The &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"http:\/\/deazone.com\/en\/faq-categorical-variable\">Continue reading<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1,50],"tags":[53],"_links":{"self":[{"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/posts\/891"}],"collection":[{"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/comments?post=891"}],"version-history":[{"count":6,"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/posts\/891\/revisions"}],"predecessor-version":[{"id":13697,"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/posts\/891\/revisions\/13697"}],"wp:attachment":[{"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/media?parent=891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/categories?post=891"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/deazone.com\/en\/wp-json\/wp\/v2\/tags?post=891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}