USSeatBelts {AER} | R Documentation |
Balanced panel data for the years 1983–1997 from 50 US States, plus the District of Columbia, for assessing traffic fatalities and seat belt usage.
data("USSeatBelts")
A data frame containing 765 observations on 12 variables.
fatalities
times miles
)."no"
, "primary"
, "secondary"
).Some data series from Cohen and Einav (2003) have not been included in the data frame.
Online complements to Stock and Watson (2007).
http://wps.aw.com/aw_stock_ie_2/
Cohen, A., and Einav, L. (2003). The Effects of Mandatory Seat Belt Laws on Driving Behavior and Traffic Fatalities. The Review of Economics and Statistics, 85, 828–843
Stock, J.H. and Watson, M.W. (2007). Introduction to Econometrics, 2nd ed. Boston: Addison Wesley.
data("USSeatBelts") summary(USSeatBelts) library("lattice") xyplot(fatalities ~ as.numeric(as.character(year)) | state, data = USSeatBelts, type = "l")