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Commit 30c62dbb authored by Elias Ervelä's avatar Elias Ervelä
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#Exercise 2
#a)
pickup=read.csv("pickup.csv",header=TRUE)
attach(pickup)
plot(pickup)
#b)
#linear model
linearmodel=lm(log(price)~.,data=pickup)
summary(linearmodel)
#model diagnostics
plot(linearmodel)
#c)
#adding interaction terms
linearmodel2=lm(log(price)~year+miles+make+make*miles+make*year,data=pickup)
summary(linearmodel2)
plot(linearmodel2)
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