observations.insteval
insteval(path)Load the InstEval data set (Bates, Maechler, Bolker, Walker, & others, 2014). It contains 73,421 university lecture evaluations by students at ETH Zurich with a total of 2,972 students, 2,160 professors and lecturers, and several student, lecture, and lecturer attributes.
The data contains the following columns:
| Feature | Description |
|---|---|
| s | student |
| d | instructor |
| studage | student age by number of enrolled semesters |
| lectage | lecture age by # of previously rated semesters |
| service | 0 if held for a different department than the lecturer’s |
| main one; else 1 | |
| dept | department |
| y | rating from 1 for poor to 5 for very good |
Args:
path: str. Path to directory which either stores file or otherwise file will be downloaded and extracted there. Filename isinsteval.csv.
Returns:
Tuple of np.darray x_train with 73,421 rows and 7 columns and dictionary metadata of column headers (feature names).
Bates, D., Maechler, M., Bolker, B., Walker, S., & others. (2014). Lme4: Linear mixed-effects models using Eigen and S4. R Package Version, 1(7), 1–23.