![]() ![]() Therefore, in this guide we show you how to create dummy variables when you have categorical independent variables.įirst, we set out the example we use to show how to create dummy variables in SPSS Statistics, before explaining how to set up your data in the Variable View and Data View windows of SPSS Statistics so that you can create dummy variables. The exception is ordinal independent variables that are entered into a multiple regression as continuous independent variables, which do not need to be converted into dummy variables. ![]() Instead, they need to be converted into dummy variables. This is because nominal and ordinal independent variables, more broadly known as categorical independent variables, cannot be directly entered into a multiple regression analysis. If you are analysing your data using multiple regression and any of your independent variables were measured on a nominal or ordinal scale, you need to know how to create dummy variables and interpret their results. Creating dummy variables in SPSS Statistics Introduction ![]()
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