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Appendix A
and sample weights. The additional variable Current value was collected and added to the data file after the sample was taken.
recidivism.sav. This is a hypothetical data file that concerns a government law enforcement agency’s efforts to understand recidivism rates in their area of jurisdiction. Each case corresponds to a previous offender and records their demographic information, some details of their first crime, and then the time until their second arrest, if it occurred within two years of the first arrest.
recidivism_cs_sample.sav. This is a hypothetical data file that concerns a government law enforcement agency’s efforts to understand recidivism rates in their area of jurisdiction. Each case corresponds to a previous offender, released from their first arrest during the month of June, 2003, and records their demographic information, some details of their first crime, and the data of their second arrest, if it occurred by the end of June, 2006. Offenders were selected from sampled departments according to the sampling plan specified in recidivism_cs.csplan; because it makes use of a
rfm_transactions.sav. A hypothetical data file containing purchase transaction data, including date of purchase, item(s) purchased, and monetary amount of each transaction.
salesperformance.sav. This is a hypothetical data file that concerns the evaluation of two new sales training courses. Sixty employees, divided into three groups, all receive standard training. In addition, group 2 gets technical training; group 3, a
satisf.sav. This is a hypothetical data file that concerns a satisfaction survey conducted by
a retail company at 4 store locations. 582 customers were surveyed in all, and each case represents the responses from a single customer.
screws.sav. This data file contains information on the characteristics of screws, bolts, nuts, and tacks (Hartigan, 1975).
shampoo_ph.sav. This is a hypothetical data file that concerns the quality control at a factory for hair products. At regular time intervals, six separate output batches are measured and their pH recorded. The target range is
ships.sav. A dataset presented and analyzed elsewhere (McCullagh et al., 1989) that concerns damage to cargo ships caused by waves. The incident counts can be modeled as occurring at a Poisson rate given the ship type, construction period, and service period. The aggregate months of service for each cell of the table formed by the
site.sav. This is a hypothetical data file that concerns a company’s efforts to choose new sites for their expanding business. They have hired two consultants to separately evaluate the sites, who, in addition to an extended report, summarized each site as a “good,” “fair,” or “poor” prospect.
smokers.sav. This data file is abstracted from the 1998 National Household
Survey of Drug Abuse and is a probability sample of American households.
(http://dx.doi.org/10.3886/ICPSR02934) Thus, the first step in an analysis of this data file should be to weight the data to reflect population trends.
