The first step is to screen your data for any errors, missing values, outliers, or inconsistencies that might affect your analysis. You can use the Data View and Variable View tabs in SPSS to ...

Utilize "Variable View" for defining variables, inspect data in "Data View," and handle missing values. Identify outliers and transform data using functions like "Recode" or "Compute." Merge ...

After adding variables under the SPSS Variable View tab, you will input all the values for these variables under the Data View tab. From there, you can analyze using the analysis tools at the top bar.