data(Wages,package="Ecdat") nrow(Wages) Wages77 <- Wages[1:4165%%7==2,] nrow(Wages77) names(Wages77)
lm(lwage~ed+exp,data=Wages77)
lm(lwage~ed,data=Wages77)
lm(exp~ed,data=Wages77)
0.06296-0.8583*0.01011
data(Housing,package="Ecdat") # Regression A lm(log(price)~log(lotsize)+bedrooms,data=Housing)
# Regression B lm(log(price)~bedrooms,data=Housing)
# Regression C lm(log(lotsize)~bedrooms,data=Housing)