By Sarah E. Boslaugh
An Intermediate advisor to SPSS Programming: utilizing Syntax for info Management introduces the key initiatives of information administration and provides options utilizing SPSS syntax. This e-book fills a massive hole within the schooling of many scholars and researchers, whose coursework has left them unprepared for the knowledge administration matters that confront them after they start to do self reliant examine. It additionally serves as an creation to SPSS programming. all of the simple good points of SPSS syntax are illustrated, as are many intermediate and complicated subject matters comparable to utilizing vectors and loops, analyzing complicated info documents, and utilizing the SPSS macro language.
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Extra resources for An Intermediate Guide to SPSS Programming
Qxd 62 10/12/2004 12:52 PM Page 62 Reading and Writing Data Files in SPSS USING GET TRANSLATE TO READ OTHER TYPES OF FILES SPSS uses GET TRANSLATE to read tab-delimited files as well as files created in Lotus 1-2-3, dBASE, and several other programs. , 2001), in the chapter on the GET TRANSLATE command. Major differences in reading files from different programs include the following: 1. The TYPE command must be changed to agree with the type of file being opened. For instance, TYPE = DBF is used for dBASE files, and TYPE = TAB for tab-delimited files.
This may be facilitated by running code on a subset of the active file, for instance, by using the SAMPLE command (discussed in Chapter 18). 3. Test each section of code in sequence. 4. If you are really stuck, invent a small data set with values designed to test a troublesome section of code. COMMON SPSS SYNTAX ERRORS A relatively small number of mistakes account for the majority of syntax errors. Over time, programmers develop an awareness of what mistakes they are most likely to commit. For instance, I am sure that at least half my programming errors are due to typing mistakes.
Sav, and the GET FILE command uses the alias to open that file. , it is not permanently attached to any file location). The rules for SPSS variable names (discussed in Chapter 19) apply to aliases, including the following: 1. They can be no longer than eight characters. 2. They must begin with a letter or one of the symbols $, #, or @. 3. They may contain only letters, numerals, periods, the underscore, and the symbols $, #, and @. 4. They may not contain embedded blanks. Using file aliases has several advantages: 1.
An Intermediate Guide to SPSS Programming by Sarah E. Boslaugh