a cross-section
number of observations : 40
data(Accident)
A dataframe containing :
ship type, a factor with levels (A,B,C,D,E)
year constructed, a factor with levels (C6064,C6569,C7074,C7579)
year operated, a factor with levels (O6074,O7579)
measure of service amount
accidents
Greene, W.H. (2003) Econometric Analysis, Prentice Hall, https://archive.org/details/econometricanaly0000gree_f4x3, Table F21.3.
Index.Source
, Index.Economics
, Index.Econometrics
, Index.Observations