Appendix
A
Sample Files
The sample files installed with the product can be found in the Samples subdirectory of the installation directory. There is a separate folder within the Samples subdirectory for each of the following languages: English, French, German, Italian, Japanese, Korean, Polish, Russian, Simplified Chinese, Spanish, and Traditional Chinese.
Not all sample files are available in all languages. If a sample file is not available in a language, that language folder contains an English version of the sample file.
Descriptions
Following are brief descriptions of the sample files used in various examples throughout the documentation.
accidents.sav. This is a hypothetical data file that concerns an insurance company that is studying age and gender risk factors for automobile accidents in a given region. Each case corresponds to a
adl.sav. This is a hypothetical data file that concerns efforts to determine the benefits of a proposed type of therapy for stroke patients. Physicians randomly assigned female stroke patients to one of two groups. The first received the standard physical therapy, and the second received an additional emotional therapy. Three months following the treatments, each patient’s abilities to perform common activities of daily life were scored as ordinal variables.
advert.sav. This is a hypothetical data file that concerns a retailer’s efforts to examine the relationship between money spent on advertising and the resulting sales. To this end, they have collected past sales figures and the associated advertising costs..
aflatoxin.sav. This is a hypothetical data file that concerns the testing of corn crops for
aflatoxin, a poison whose concentration varies widely between and within crop yields. A grain processor has received 16 samples from each of 8 crop yields and measured the alfatoxin levels in parts per billion (PPB).
anorectic.sav. While working toward a standardized symptomatology of anorectic/bulimic behavior, researchers (Van der Ham, Meulman, Van Strien, and Van Engeland, 1997) made a study of 55 adolescents with known eating disorders. Each patient was seen four times over four years, for a total of 220 observations. At each observation, the patients were scored for each of 16 symptoms. Symptom scores are missing for patient 71 at time 2, patient 76 at time 2, and patient 47 at time 3, leaving 217 valid observations.
bankloan.sav. This is a hypothetical data file that concerns a bank’s efforts to reduce the
rate of loan defaults. The file contains financial and demographic information on 850 past and prospective customers. The first 700 cases are customers who were previously given
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