*Create dummy variables for categories 1, 2 and 4. The syntax below shows how to create and label our 3 dummy variables. This implies that we'll create 3 dummy variables representing categories 1, 2 and 4 (note that 3 does not occur in this variable). So for this example, we choose 5 (Widowed). You may choose any category as the reference category. So how to break up marital status into dummy variables? First off, we always omit one category, the reference category. The table below shows the resulting table. Our first step is to run a basic FREQUENCIES table with Let's first create dummy variables for marit, short for marital status. Example IV - String Variable without Conversion.Example III - String Variable with Conversion.Example II - Numeric Variable with Adjacent Integers.If you don't want to use this tool, then this tutorial shows the right way to do it manually. The ideal way to create these is our dummy variables tool. You can't readily use categorical variables as predictors in linear regression: you need to break them up into dichotomous variables known as dummy variables. Creating Dummy Variables in SPSS report this ad By Ruben Geert van den Berg under Regression
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