October 2024
Beginner
228 pages
6h 47m
English
In the preceding chapters, we have considered various examples, most of which have one thing in common: They used cross-sectional data sets (the presidential elections example being an exception). That is, the previous examples used samples of data that were related to one point in time. For example, the basketball example considers a sample of players' salaries for the 2021–22 season. With cross-sectional data, time is held fixed, and we consider variation across “space” (e.g., across basketball players) to identify the effects of X variables on a Y variable. In this chapter, we will briefly explore two other types of data sets whose common element is that they both have ...
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