It also has the functionality to calculate distance between two geographic locations. A second version has all the additions you would make if you followed the tutorial in this article. This file is fully unlocked, allowing you to make any additions you want, including those outlined in this article. The first version is the version before adding the additional variables.
) on the Internet as an example so that you can see how such a relational database looks and experiment with it before setting up your own database. Chemists’ example without distance Personal Web site. Chemists’ example with distance Personal Web site. I have posted the chemists database files ( Murmann 2010a Murmann, J. SPSS can be accessed at STATA can be accessed at. This article illustrates the power of the approach by outlining ways to analyze changes in geographic distances between two events marking the life histories of chemists.ġ. By using events that happened to an agent at a particular time as the basic unit of observation, one maintains maximum flexibility to do statistical analysis that aggregates basic data in different ways. Given that programs such as FileMaker can easily sort data by agent and date, once one structures the data correctly, he or she can construct well-ordered event histories for agents, even if the researcher enters the data in an unordered fashion. The key feature of the strategy is to define the basic unit of observation in the database in terms of an agent, an event, and a date. The approach facilitates efficiency in inputting data and flexibility for constructing statistical analyses from the raw data. In this article, the author presents a strategy for designing relational databases with the program FileMaker Pro (FileMaker) to study the histories of individuals and organizations.
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