used.cars {spdep} | R Documentation |
The used.cars
data frame has 48 rows and 2 columns. The data set
includes a neighbours list for the 48 states excluding DC from poly2nb().
data(used.cars)
This data frame contains the following columns:
Hanna, F. A. 1966 Effects of regional differences in taxes and transport charges on automobile consumption, in Ostry, S., Rhymes, J. K. (eds) Papers on regional statistical studies, Toronto: Toronto University Press, pp. 199-223.
Hepple, L. W. 1976 A maximum likelihood model for econometric estimation with spatial series, in Masser, I (ed) Theory and practice in regional science, London: Pion, pp. 90-104.
data(used.cars) moran.test(spNamedVec("price.1960", used.cars), nb2listw(usa48.nb)) moran.plot(spNamedVec("price.1960", used.cars), nb2listw(usa48.nb), labels=rownames(used.cars)) uc.lm <- lm(price.1960 ~ tax.charges, data=used.cars) summary(uc.lm) lm.morantest(uc.lm, nb2listw(usa48.nb)) lm.morantest.sad(uc.lm, nb2listw(usa48.nb)) lm.LMtests(uc.lm, nb2listw(usa48.nb)) uc.err <- errorsarlm(price.1960 ~ tax.charges, data=used.cars, nb2listw(usa48.nb), tol.solve=1.0e-13, tol.opt=.Machine$double.eps^0.3) summary(uc.err) uc.lag <- lagsarlm(price.1960 ~ tax.charges, data=used.cars, nb2listw(usa48.nb), tol.solve=1.0e-13, tol.opt=.Machine$double.eps^0.3) summary(uc.lag) uc.lag1 <- lagsarlm(price.1960 ~ 1, data=used.cars, nb2listw(usa48.nb), tol.solve=1.0e-13, tol.opt=.Machine$double.eps^0.3) summary(uc.lag1) uc.err1 <- errorsarlm(price.1960 ~ 1, data=used.cars, nb2listw(usa48.nb), tol.solve=1.0e-13, tol.opt=.Machine$double.eps^0.3) summary(uc.err1)