A parking rule built on four hotels is guesswork, not evidence.
The published relationship is weak: the four observations scatter widely around the fitted line.
REDRAWN FROM STUDY DATAFigure 1 · Parking generation by non-convention hotels
Figure 1 · Parking generation by non-convention hotels. Four plotted observations digitized from Figure 1; fitted line uses the printed equation P = 0.33X + 36 (R² = 0.089).