fig8.4<-function(){
#Last inn data
data(kap8, envir = environment())
kap8 <- kap8
#Etimer modell
mod5<-lm(formula=Skepsis~log(TVpol+1),
data=kap8)
#Hypotetisk datasett
data.TV<-data.frame(TVpol=log(seq(0, 7, 0.1)+1))
#Prediksjoner
pred.TV=predict(mod5,
newdata = data.TV,
interval = "confidence")
#Grafikk for eksponensiell sammenheng av politisk TV-titting
plot(y = pred.TV[,"fit"],
x = seq(0,7,0.1),
type = "l",
bty = "n",
ylim = c(3,6),
xlab = "Politisk TV-titting",
ylab = "Innvandringsskepsis",
main = "Effekt av mediebruk pa innvandringsskepsis")
lines(y = pred.TV[,"lwr"],
x = seq(0,7,0.1),
lty=2)
lines(y = pred.TV[,"upr"],
x = seq(0,7,0.1),
lty=2)
}
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