{"id":1228,"date":"2022-02-11T14:57:39","date_gmt":"2022-02-11T13:57:39","guid":{"rendered":"https:\/\/microdata.spirehost.no\/?post_type=eksempel&p=1228"},"modified":"2023-10-27T16:39:19","modified_gmt":"2023-10-27T15:39:19","slug":"create-dummy-variables-by-using-the-recode-command","status":"publish","type":"eksempel","link":"https:\/\/www.microdata.no\/en\/eksempel\/create-dummy-variables-by-using-the-recode-command\/","title":{"rendered":"Create dummy variables by using the recode command"},"content":{"rendered":"\n

There is more than one way to make dummy variables (values 1 and 0). Perhaps the most basic way is by using the generate<\/code> and replace<\/code> commands (see one of the other examples).<\/p>\n\n\n\n

An alternative way of making dummy variables is by using the destring<\/code> and recode<\/code> commands as illustrated in the example below.<\/p>\n\n\n\n

The variable gender<\/code> takes the values ‘1’ and ‘2’ representing the values “Male” and “Female” respectively. The result of the procedure is a variable containing the values 1 and 0 representing male and female (= not male) respectively.<\/p>\n\n\n\n

Since recode<\/code> only accepts numerical valueformats, one must first convert from alfanumerical through the destring<\/code> command. However, this is not necessary if the variable is numerical to begin with.<\/p>\n\n\n

\n
\/\/Connect to datastore\r\nrequire no.ssb.fdb:23 as db\r\n\r\ncreate-dataset demography\r\nimport db\/BEFOLKNING_KJOENN as gender\r\n\r\ndestring gender\r\ntabulate gender\r\nrecode gender (2 = 0)\r\nrename gender male\r\n\r\n\/\/Check for correct recoding\r\ntabulate male, nolabels<\/code><\/pre>\n<\/div>\n\n\n
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