9.7 Data

  • ?swiss: Standardized fertility measure and socio-economic indicators for each of 47 French-speaking provinces of Switzerland at about 1888 (see here and Mosteller and Tukey 1977) (cognitive load)
  • Let’s take a step back…
Fertility Agriculture Examination Examination_cat
80.2 17.0 15 lower
83.1 45.1 6 lowest
92.5 39.7 5 lowest
85.8 36.5 12 lowest
76.9 43.5 17 higher
  • Dataset is a matrix with columns = variables and rows = units
  • Data consist of numbers (Fertility etc.) and letters (Region)

References

Mosteller, Frederick, and John Wilder Tukey. 1977. “Data Analysis and Regression: A Second Course in Statistics.” Addison-Wesley Series in Behavioral Science: Quantitative Methods.