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SPSS’ dictionary contains mostly information describing data files and their variables and values. Second, there's dictionary information, part of which can be seen in variable view. First, there's data values as can be seen in data view.
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SPSS data files consist of two main components. We'll briefly discuss these 5 groups in the remainder of this tutorial. These commands perform all sorts of tasks except report on data values or create/edit data values. Other SPSS CommandsĪs shown in the figure, 5 groups of SPSS commands that are neither procedures nor transformations can be distinguished. For a more detailed discussion, see SPSS Procedures. Second, procedures may require a lot of time when run on large datasets. For instance, they also cause transformations to be executed and some other things. Procedures do two basic things: report on data values ( DESCRIPTIVES, FREQUENCIES) or create/tranform data values ( AGGREGATE, RANK).Ī reason for distinguishing procedures from other commands is that they do more than just their core functions. This is explained and illustrated under data pass.Īll commands that read the data are referred to as procedures in SPSS. In SPSS, “reading the data” refers to the process of SPSS going through all cases (from top to bottom) in the data. SPSS Proceduresįor commands that are executed immediately, the second question is whether they read the data. For a more detailed discussion, see SPSS Transformation Commands. As a rule of thumb, only transformations can be used with LOOP, DO IF and DO REPEAT. Most transformations create or “transform” data values. Such commands are referred to as transformations. Some SPSS commands are not carried out immediately when you run them. SPSS Command Types Diagram SPSS TransformationsĪs shown in the figure, the first question is when a command is executed. Understanding this distinction will allow you to get things done in SPSS faster and more efficiently. SPSS commands come in three basic types: procedures, transformations and other commands. SPSS Command Types By Ruben Geert van den Berg under SPSS Blog Summary