Manually creating dummy variables in SPSS
Автор: Statorials
Загружено: 2024-09-23
Просмотров: 548
This tutorial shows how to manually dummy-code categorical variables with 3 or more values in SPSS. The reason for dummycoding categorical variables is that regression models require numerical input. Categorical variables like gender or favourite color are nor numerical by nature and need to be dummy coded.
The way it works is to give each category its own dummy variable. For example, if you have university degree (no degree, bachelor's master's), you will end up with 3 dummy variables. Dummy_no_degree, Dummy_bachelor and Dummy_master. Each will have the values 0 and 1, indicating whether that value is present or not.
Newer versions of SPSS have a function "Create Dummy Variables" directly, which can be found here: • Creating dummy variables in SPSS
If you have any questions or suggestions for manually creating dummy variables in SPSS, please use the comment function. Thumbs up or down to decide if you found the video helpful.
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